147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO

Neon Application Information

Lamp Construction value A1 which is largely determined by the impedance of the The basic construction of lamps is shown in figure 1. The external circuit, and the voltage across the neon lamp reduces bulb is made of glass sealed in two areas, the pip and the pinch. to a lower value B, known as the maintaining voltage. Further In the pinch area, the increasing the supply voltage (or reducing the external imped- leads protrude through Neon Lamp Construction ance) increases the lamp current with little change to the main- one end of a glass tube taining voltage until point B1 is reached. Then the maintaining and the glass is heated Gas Pip voltage increases with current to a point C when the neon and pinched about the lamp discharge changes from a glow to an arc and the voltage leads. This holds them in across the lamp drops to a few at C . Neon lamps should Glass 1 position and forms a her- Envelope be operated in the range B to B1 which is called the "negative metic seal. The leads are glow" region. B1 to C is the "abnormal glow" region and from made from a special C1 beyond is the "arc" region. material known as dumet Pinch A neon lamp operates in the following manner: when the applied which is a low resistance voltage is in excess of the striking voltage, electrons are emitted material consisting of a Leads from the surface of the negative () and, accel- copper sheath around a erated by the electric field, collide with atoms of gas. One of two Figure 1 nickel iron core construct- reactions occur: ed so that its expansion coefficient is the same as that of the 1. The traversing electron can collide with an atom of gas and glass used for the bulb. Butt welded to the lead are nickel elevate one of its valence electrons to a higher energy state. At electrodes of larger diameter. These electrodes are coated with some time after being elevated, the electron will return to a aspecial emissive material prior lower energy state and a photon of light will be emitted. The to being sealed into the glass bulb. Based Neon wavelength of the light output is determined by the difference Lamp Construction This emissive coating has a lower in energy levels, which will be dependent upon the type of gas work function than the base used. The total light output from a neon lamp is the result of material andcauses the neon lamp Plastic millions of such occurrences at a given instant. to have a lower striking voltage TopCap 2. The atom can have an electron knocked off, in which case than would otherwise be the case. the atom becomes a positively charged ion. This ion is The sealed unit is evacuated and Neon Lamp attracted by the negative electrode (cathode) and an inert gas is introduced via the accelerated towards it. On colliding with the cathode, the pip prior to tipping off. The neon ion causes material to be removed, a phenomenon known as lamp is commonly used without a sputtering. The emissive coating on the electrodes of neon base in "-terminal" form, and lamps is removed by ionic bombardment so that eventually is available with or without a the base metal is exposed and the striking voltage of the lamp resistor. Versions are available increased. When the lamp is operated from an a.c. supply, mounted on a metal or plastic each electrode is alternately positive () and negative base for replaceable use in a (cathode) and material is sputtered from them during alternate corresponding lampholder or Metal Base half cycles. However, when the lamp is operated from a d.c. fitting. Lamps mounted on bases supply, one electrode is constantly the cathode and material is are available without a resistor or removed from it during the entire time that the neon lamp is with a resistor incorporated inside Figure 2 operating. Consequently, the effects of sputtering become the base for direct operation from main voltage supplies. These lamps apparent earlier during d.c. operation and the lamp life expectancy consist of a T-2 neon lamp with a series resistor welded on, mounted is about 60% of that when operated from an a.c. supply. in the metal base with a plastic top cap as shown in Figure 2. For reliable operation, neon lamps require some free charged particles to be present in the tube to initiate the Basic Principles of Lamp Operation when an operating voltage is applied. These charged particles Neon lamps have the voltage/current relationship shown in can be created by photoemission from the emissive surface of Figure 3, which determines their operation. As the applied - the electrodes, so that if the lamp is used in normal light no igni- age is increased there is virtually no current flow until the striking tion problems should be encountered. voltage is reached at point A. The current then increases to a Dark Effect Voltage/Current C haracteristic If the lamp is used in total darkness, some ignition delay can occur A A for Neon Lamps 1 unless a tube which contains a small amount of radioactive material C is used. Operation in total darkness is normally only encountered in

B I situations where the neon lamp is being used as a circuit component B1

otg,V Voltage, (i.e., its electrical characteristics are of prime importance, its indicat- V ing property being of secondary or no importance). In this case a C1 should be specified which is "dark effect" reduced. Current,I Figure 3 Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

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Neon Application Information

Lamp Characteristics end of its useful life. Because the minimum acceptable light output The main characteristics of neon lamps are detailed as follows. value will depend upon the application, it is difficult to quote precise In general, these characteristics are not tightly controlled, as the lifetimes, but values for 50% reduction of initial light output levels prime function of the device is to emit light to act as an indicator. are given in Table 1. Since in most applications the lamp will not be If a tube having a more controlled electrical specification is operating all of the time, the actual life of the lamp in the equipment required for use as a circuit component, a cold cathode diode will be considerably longer than the quoted life. It should also be should be used. noted that because the blackening initially occurs around the sides of the glass bulb, a longer lifetime is usually achieved if the lamp is Light Output: Neon lamps are available from Chicago Miniature end-viewed. Table 1 Lamp in two light output ranges (standard and high brightness). The life expectan- The standard brightness types have a light output of approxi- cies quoted in Table1 Typical Life Expectancies of Neon Lamps Operated from an AC Supply mately .06 lumens per mA, and the high brightness types emit apply to neon lamps Brightness Level Life Expectancy approximately .15 lumens per mA. The light output of neon operated from an a.c. lamps is mainly in the yellow and red regions of the spectrum supply. As explained Standard 25,000 hours between 580 and 750 nanometers with a band in the infrared earlier in these notes, between 820 and 880 nanometers. when the lamps are High 8,000 hours Striking Voltage: The voltage at which the neon lamp ignites is operated from a d.c. For DC life expectancies, see text. usually between 45 and 65V a.c. for standard brightness types supply, lifetimes are and between 70 and 95V a.c. for high brightness types. This is approximately 60% of these values. In order to obtain the maximum sometimes called the breakdown or ignition voltage. lifetime it is recommended that ±5% carbon film series be Maintaining Voltage: The voltage across thelampafterithas used. Variations in supply voltage will also affect the life of the lamp ignited. This voltage is a function of the lamp current and is usu- due to the resultant change in operating current. The relationship ally quoted at the design current. Nominal values are 60V for between operating current and life can be expressed as a 3.3 power standard brightness and 75V for high brightness lamps. law, I 3.3 R 3.3 Extinction Voltage: The voltage at which the lamp extinguishes L=L 1 or L=L 1 21()I 21()R if the supply voltage is reduced. It is normally a few volts below 2 2 the maintaining voltage. where L is the life expectancy at the design current I with the rec- Design Current: The current at which the lamp has been ommended series resistance R , and L is the life expectancy at designed to operate. It will be determined by the supply voltage current I with the series resistance R .. This relationship, which is and the value of series resistance. Operation at lower currents shown graphically in Figure 4, is approximate and should only be can result in the glow discharge becoming unstable (i.e., flicker- used as a guide to the effect on life for changes in operating cur- ing) and operation at higher currents can severely reduce the rent. It should not be used to estimate lifetimes when the current is useful life of the lamp. It is therefore important to use only the more than twice the design current, since other factors, such as recommended value of series resistance. heating of the electrodes, will cause an even greater reduction in Operating Temperature: Neon lamps can be used up to a maxi- lifetime. Operation at currents lower than the design current will mum temperature of 160°C, but for optimum life it is recommended theoretically result in increased life expectancy. However, this is not that wherever possible the operating temperature should be within recommended as the discharge may become unstable initially or the range -50°C to +90°C. However, it should be noted that car- after a period of low current operation. bon film resistors which are recommended for use in series with neon lamps are normally derated, for maximum power dissipation, Fluorescent Lamps at temperatures above 70°C. Therefore, at higher temperatures The basic difference between green fluorescent and neon lamps is other types of resitor, such as metal oxide, may be more suitable that the gas discharge (glow) in the neon lamp is directly viewed and resistor manufacturers' data should be consulted. through the transparent glass bulb. In the case of the green lamp, Leakage Resistance: This is not a specified parameter, but in the inside of the glass bulb is treated with a fluorescent coating practice values in excess of 10 ohms will apply to wire terminal which emits a green light when the gas is ionized. lamps. Measurements should always be taken in total darkness 1.0 as photoemission from the electrodes9 under ambient illumination 0.9 0.8 will result in false, low resistance readings. The voltage at which 0.7 leakage resistance is measured should be at least 10V below the 0.6 minimum striking voltage of the lamp. 0.5

0.4 Life Expectancy The end of life of a neon lamp is usually a catastrophic failure, but 0.3 is an arbitrary condition when the light output has reduced to an unacceptably low level. During the life of a neon lamp, material is 0.2 sputtered from the electrodes and some of this adheres to the wall

of the glass bulb which has the effect of reducing the light output. Life Factor The process is a gradual one, and not until many thousands of hours of normal operation will the blackening be such that the light 0.1 Figure 4 1.0 1.2 1.4 1.6 1.8 2.0 output has fallen below an acceptable level and the lamp be at the Operating Current/Design Current

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

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Series 5314N1 and 5314N2 PC Board Mounted Neon

.250 MAX. .300

.250 MAX. Ø.160 MAX. .130

.130 .190±.060 .020 S TAND-OFF FOR POST CLEANING Lamp Leads .150 (tinned) .100* .015

.250*

All dimensions in inches. .450 MAX.* *Note: These dimensions are at the base of holder.

Board Mounted Neon Lamp •Easy to mount. •Press-in mounting for accurate location on . •Mounting pattern on page 1-X3. •Includes board stand-off to prevent flux entrapment-permit easy washing.

Housing: Black Nylon

Lamp: Lamp Incorporates Model Lamp No. See page5-4 5314N1 1MH for complete lamp 5314N2 2ML specifications.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

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Neon Indicator Lamps

Design Maximum Part Old Ref. Current BreakdownVoltage Configuration Number Number mA VAC VDC Wire Terminal-S tandard Brightness

A 2ML NE-38S 0.3 65 90 A1A NE-2 0.6 65 90

B A1A-T NE-2T 0.6 65 90 A1B 0.3 65 90 A1D 0.3 65 90 A1D-T 0.3 65 90 K4A AR-9 0.3 80 115 C A2B NE-2V 0.7 65 90 A2B-T NE-2VT 0.7 65 90 A9A NE-2E 0.7 65 90 A9A-T NE-2ET 0.7 65 90 A9A-C NE-2E1 0.7 65 90 A9A-CT NE-2E1T 0.7 65 90 Wire Terminal-High Brightness 1MH NE-38 1.2 95 135 A A1C 1.2 95 135 A1C-T 1.2 95 135 B G2B-1 1.2 95 135 G2B-2 1.4 95 135 A3C NE-2U 1.9 95 135 A3C-T NE-2UT 1.9 95 135

C C2A NE-2H 1.9 95 135 C2A-T NE-2HT 1.9 95 135 C2A-C NE-2H1 1.9 95 135 D2A 2.6 95 135

Footnotes

1. Life value is to approximately 50% of initial 3. Tinned leads. light output. Values shown apply to use on 4. High brightness. AC unless otherwise shown. Life on DC is 5. Formed tip. approximately 60% of AC values when DC 6. Dark effect reduced. current is equal to RMS AC value. When 7. Lamp drops through a Ø.310" cylinder equal DC and RMS AC voltages and equal of .500" minimum length. resistances are utilized, life will be approximately the same. 2. For DC operation of high brightness lamps use a minimum of 150 circuit volts. Maximum initial 95 VAC, 135 VDC in light.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

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Series Resistor Average Dimensions 100-125V 220-250V Useful inches Ohms W Ohms W Life A(Max.) B(Max.) C(Min.) Footnotes Wire Terminal-S tandard Brightness 100K 1/4 220K 1/3 12,000 .156 .395 1.00 1,5 100K 1/4 540K 1/3 25,000 .244 1.00 1.00 1,5 100K 1/4 540K 1/3 25,000 .244 1.00 1.00 1,3,5 220K 1/4 540K 1/3 25,000 .244 .500 1.00 1,5 220K 1/4 540K 1/3 25,000 .244 .500 1.00 1,5,6 220K 1/4 540K 1/3 25,000 .244 .500 1.00 1,3,5,6 220K 1/4 540K 1/3 50 .244 .980 1.00 14 100K 1/4 220K 1/3 25,000 .244 .750 2.00 1,5,6 100K 1/4 220K 1/3 25,000 .244 .750 2.00 1,3,5,6 100K 1/4 220K 1/3 25,000 .244 .750 2.00 1,5 100K 1/4 220K 1/3 25,000 .244 .750 2.00 1,3,5 100K 1/4 220K 1/3 25,000 .244 .750 1.00 1,5 100K 1/4 220K 1/3 25,000 .244 .750 1.00 1,3,5 Wire Terminal-High B rightness 47K 1/4 150K 1/3 12,000 .156 .395 1.00 1,4,5 47K 1/4 150K 1/3 25,000 .244 .500 1.00 2,4,5,6,8 47K 1/4 150K 1/3 25,000 .244 .500 1.00 2,3,4,5,6,8 47K 1/4 150K 1/3 15,000 .244 .500 1.00 1,4,5,13 39K 1/4 120K 1/3 15,000 .244 .750 1.00 1,4,5,13 30K 1/4 100K 1/3 25,000 .244 .750 2.00 2,4,5,6,8,9 30K 1/4 100K 1/3 25,000 .244 .750 2.00 2,3,4,5,6,8,9 30K 1/4 100K 1/3 25,000 .244 .750 2.00 2,4,5,6,8 30K 1/4 100K 1/3 25,000 .244 .750 2.00 2,3,4,5,6,8 30K 1/4 100K 1/3 25,000 .244 .750 1.00 2,4,5,6,8 22K 1/4 68K 1/3 25,000 .244 .980 1.00 2,4,5,6,8,10

8. Life values shown apply to use on AC 10. Minimum current for stable operation unless otherwise shown. End of life 1.5mA. occurs when breakdown voltage 11. Resistor included in Base. increases to line voltage and lamp will 12. Caution: Bulb may shatter and/or circuit no longer start. With equal DC and may be damaged without external series RMS AC current, lifewillbesomewhat resistance. lower than the 60% value quoted for 13. Green fluorescent. standard brightness lamp. 14. gas filled. 9. Maximum breakdown voltage in total darkness 100VAC.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

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Series Resistor Average Dimensions 100-125V 220-250V Useful inches Ohms W Ohms W Life A(Max.) B(Max.) C(Min.) Footnotes Wire Terminal-S tandard Brightness 100K 1/4 220K 1/3 12,000 .156 .395 1.00 1,5 100K 1/4 540K 1/3 25,000 .244 1.00 1.00 1,5 100K 1/4 540K 1/3 25,000 .244 1.00 1.00 1,3,5 220K 1/4 540K 1/3 25,000 .244 .500 1.00 1,5 220K 1/4 540K 1/3 25,000 .244 .500 1.00 1,5,6 220K 1/4 540K 1/3 25,000 .244 .500 1.00 1,3,5,6 220K 1/4 540K 1/3 50 .244 .980 1.00 14 100K 1/4 220K 1/3 25,000 .244 .750 2.00 1,5,6 100K 1/4 220K 1/3 25,000 .244 .750 2.00 1,3,5,6 100K 1/4 220K 1/3 25,000 .244 .750 2.00 1,5 100K 1/4 220K 1/3 25,000 .244 .750 2.00 1,3,5 100K 1/4 220K 1/3 25,000 .244 .750 1.00 1,5 100K 1/4 220K 1/3 25,000 .244 .750 1.00 1,3,5 Wire Terminal-High B rightness 47K 1/4 150K 1/3 12,000 .156 .395 1.00 1,4,5 47K 1/4 150K 1/3 25,000 .244 .500 1.00 2,4,5,6,8 47K 1/4 150K 1/3 25,000 .244 .500 1.00 2,3,4,5,6,8 47K 1/4 150K 1/3 15,000 .244 .500 1.00 1,4,5,13 39K 1/4 120K 1/3 15,000 .244 .750 1.00 1,4,5,13 30K 1/4 100K 1/3 25,000 .244 .750 2.00 2,4,5,6,8,9 30K 1/4 100K 1/3 25,000 .244 .750 2.00 2,3,4,5,6,8,9 30K 1/4 100K 1/3 25,000 .244 .750 2.00 2,4,5,6,8 30K 1/4 100K 1/3 25,000 .244 .750 2.00 2,3,4,5,6,8 30K 1/4 100K 1/3 25,000 .244 .750 1.00 2,4,5,6,8 22K 1/4 68K 1/3 25,000 .244 .980 1.00 2,4,5,6,8,10

8. Life values shown apply to use on AC 10. Minimum current for stable operation unless otherwise shown. End of life 1.5mA. occurs when breakdown voltage 11. Resistor included in Base. increases to line voltage and lamp will 12. Caution: Bulb may shatter and/or circuit no longer start. With equal DC and may be damaged without external series RMS AC current, lifewillbesomewhat resistance. lower than the 60% value quoted for 13. Green fluorescent. standard brightness lamp. 14. Argon gas filled. 9. Maximum breakdown voltage in total darkness 100VAC.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

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Neon Indicator Lamps

Design Maximum Part Old Ref. Current BreakdownVoltage Configuration Number Number mA VAC VDC T-4 1/2Candelabra S crew Base A B7A NE-45 2.0 65 90 F3A NE-57 2.0 65 90 F4A NE-58 2.0 65 90 J2A AR-3 2.0 80 115

B

T-4 1/2S.C. BayonetBase A B6A NE-21 2.0 65 90 B8A NE-47 2.0 65 90

B

T-4 1/2D.C. BayonetBase A B5A NE-17 2.0 65 90 B9A NE-48 2.0 65 90

B

S-7D.C. BayonetBase A R1A NE-79 8.0 65 90

B

Footnotes 1. Life value is to approximately 50% of initial resistances are utilized, life will be 3. Tinned leads. light output. Values shown apply to use on approximately the same. 4. High brightness. AC unless otherwise shown. Life on DC is 2. For DC operation of high brightness lamps 5. Formed tip. approximately 60% of AC values when DC use a minimum of 150 circuit volts. 6. Dark effect reduced. current is equal to RMS AC value. When Maximum initial breakdown voltage 95 VAC, 7. Lamp drops through a Ø.310" equal DC and RMS AC voltages and equal 135 VDC in light. cylinder of .500" minimum length.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

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Series Resistor Average Dimensions 100-125V 220-250V Useful inches Ohms W Ohms WLife A(Max.) B(Max.) C(Min.) Footnotes T-4 1/2Candelabra S crew Base 30K 1/4 - - 5,000 .588 1.53 - 1,11 30K 1/4 - - 7,500 .588 1.53 - 1,11 - - 100K 1/3 5,000 .588 1.53 - 1,11 15K 1/4 - - 150 .588 1.53 - 1,11,14

T-4 1/2S.C. BayonetBase 30K 1/4 100K 1/3 7,500 .588 1.50 - 1,12 30K 1/4 100K 1/3 5,000 .588 1.50 - 1,12

T-4 1/2D.C. BayonetBase 30K 1/4 100K 1/3 7,500 .588 1.50 - 1,12 30K 1/4 100K 1/3 5,000 .588 1.50 - 1,12

S-7D.C. BayonetBase 30K 1/4 100K 1/3 5,000 .588 1.50 - 1,12

8. Life values shown apply to use on AC lower than the 60% value quoted for 11. Resistor included in Base. unless otherwise shown. End of life standard brightness lamp. 12. Caution: Bulb may shatter and/or circuit occurs when breakdown voltage 9. Maximum breakdown voltage in total may be damaged without external series increases to line voltage and lamp will darkness 100VAC. resistance. no longer start. With equal DC and 10. Minimum current for stable operation 13. Green fluorescent. RMS AC current, lifewillbesomewhat 1.5mA. 14. Argon gas filled.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

5-7 147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO LIGHT

Series Resistor Average Dimensions 100-125V 220-250V Useful inches Ohms W Ohms WLife A(Max.) B(Max.) C(Min.) Footnotes T-4 1/2Candelabra S crew Base 30K 1/4 - - 5,000 .588 1.53 - 1,11 30K 1/4 - - 7,500 .588 1.53 - 1,11 - - 100K 1/3 5,000 .588 1.53 - 1,11 15K 1/4 - - 150 .588 1.53 - 1,11,14

T-4 1/2S.C. BayonetBase 30K 1/4 100K 1/3 7,500 .588 1.50 - 1,12 30K 1/4 100K 1/3 5,000 .588 1.50 - 1,12

T-4 1/2D.C. BayonetBase 30K 1/4 100K 1/3 7,500 .588 1.50 - 1,12 30K 1/4 100K 1/3 5,000 .588 1.50 - 1,12

S-7D.C. BayonetBase 30K 1/4 100K 1/3 5,000 .588 1.50 - 1,12

8. Life values shown apply to use on AC lower than the 60% value quoted for 11. Resistor included in Base. unless otherwise shown. End of life standard brightness lamp. 12. Caution: Bulb may shatter and/or circuit occurs when breakdown voltage 9. Maximum breakdown voltage in total may be damaged without external series increases to line voltage and lamp will darkness 100VAC. resistance. no longer start. With equal DC and 10. Minimum current for stable operation 13. Green fluorescent. RMS AC current, lifewillbesomewhat 1.5mA. 14. Argon gas filled.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

5-7 147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO LIGHT

Neon Indicator Lamps

Design Maximum Part Old Ref. Current BreakdownVoltage Configuration Number Number mA VAC VDC G-10 D.C. BayonetBase A L5A NE-32 8.0 65 90

B

S-11MediumScrewBase J9A NE-56 5.0 60 85 A J5A NE-30 8.0 60 85

B

S-14MediumScrewBase A R2A NE-34 18.0 65 90 W1A AR-1 18.0 80 115 R6A NE-40 30.0 65 90

B

S-14D.C. BayonetSkirtedBase A R9A NE-42 30.0 65 90

B

Footnotes 1. Life value is to approximately 50% of initial resistances are utilized, life will be 3. Tinned leads. light output. Values shown apply to use on approximately the same. 4. High brightness. AC unless otherwise shown. Life on DC is 2. For DC operation of high brightness lamps 5. Formed tip. approximately 60% of AC values when DC use a minimum of 150 circuit volts. 6. Dark effect reduced. current is equal to RMS AC value. When Maximum initial breakdown voltage 95 VAC, 7. Lamp drops through a Ø.310" equal DC and RMS AC voltages and equal 135 VDC in light. cylinder of .500" minimum length.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

5-8 147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO LIGHT

Series Resistor Average Dimensions 100-125V 220-250V Useful inches Ohms W Ohms WLife A(Max.) B(Max.) C(Min.) Footnotes G-10 D.C. BayonetBase 7.5K 1/4 25K 1/3 10,000 1.29 2.13 - 1,12

S-11MediumScrewBase --39K1/3 5,000 1.42 2.25 - 1,11 7.5K 1/4 - - 10,000 1.42 2.25 - 1,11

S-14MediumScrewBase 3.5K 1/4 - - 10,000 1.80 3.50 - 1,11 3.5K 1/4 - - 1,000 1.80 3.50 - 1,11,14 2.5K 1/4 - - 10,000 1.80 3.50 - 1,11

S-14D.C. BayonetSkirtedBase 2.2K 1/4 7.5K 1/3 10,000 1.80 3.98 - 1,12

8. Life values shown apply to use on AC lower than the 60% value quoted for 11. Resistor included in Base. unless otherwise shown. End of life standard brightness lamp. 12. Caution: Bulb may shatter and/or circuit occurs when breakdown voltage 9. Maximum breakdown voltage in total may be damaged without external series increases to line voltage and lamp will darkness 100VAC. resistance. no longer start. With equal DC and 10. Minimum current for stable operation 13. Green fluorescent. RMS AC current, lifewillbesomewhat 1.5mA. 14. Argon gas filled.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

5-9 147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO LIGHT

Series Resistor Average Dimensions 100-125V 220-250V Useful inches Ohms W Ohms WLife A(Max.) B(Max.) C(Min.) Footnotes G-10 D.C. BayonetBase 7.5K 1/4 25K 1/3 10,000 1.29 2.13 - 1,12

S-11MediumScrewBase --39K1/3 5,000 1.42 2.25 - 1,11 7.5K 1/4 - - 10,000 1.42 2.25 - 1,11

S-14MediumScrewBase 3.5K 1/4 - - 10,000 1.80 3.50 - 1,11 3.5K 1/4 - - 1,000 1.80 3.50 - 1,11,14 2.5K 1/4 - - 10,000 1.80 3.50 - 1,11

S-14D.C. BayonetSkirtedBase 2.2K 1/4 7.5K 1/3 10,000 1.80 3.98 - 1,12

8. Life values shown apply to use on AC lower than the 60% value quoted for 11. Resistor included in Base. unless otherwise shown. End of life standard brightness lamp. 12. Caution: Bulb may shatter and/or circuit occurs when breakdown voltage 9. Maximum breakdown voltage in total may be damaged without external series increases to line voltage and lamp will darkness 100VAC. resistance. no longer start. With equal DC and 10. Minimum current for stable operation 13. Green fluorescent. RMS AC current, lifewillbesomewhat 1.5mA. 14. Argon gas filled.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

5-9 147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO LIGHT

Neon Indicator Lamps

Design Maximum Part Old Ref. Current BreakdownVoltage Configuration Number Number mA VAC VDC T-2 MidgetFlange B ase

A A1G 0.3 65 90 A1G-R 0.3 65 90 A1H 1.2 95 135 A1H-R 1.2 95 135 B C7A NE-2D 0.7 65 90 C C7A-R 0.7 65 90 C9A NE-2J 1.9 95 135 C9A-R 1.9 95 135 G9B 1.2 95 135 G9B-R 1.2 95 135 T-2 Telephone S lide B ase K1C5 0.7 65 90 K1C5-R 0.7 65 90 K1B1 1.2 95 135 K1B1-R 1.2 95 135 A K1A5 NE-84 1.9 95 135 K1A5-R 1.9 95 135

B

T-3 1/4MiniatureBayonetBase A B1A NE-51 0.3 65 90 B1A-R NE-51R 0.3 65 90 B2A NE-51H 1.2 95 135 B2A-R NE-51HR 1.2 95 135 B2G NE-51G 1.2 95 135 B2G-R AR-51GR 1.2 95 135 B

Footnotes 1. Life value is to approximately 50% of initial resistances are utilized, life will be 3. Tinned leads. light output. Values shown apply to use on approximately the same. 4. High brightness. AC unless otherwise shown. Life on DC is 2. For DC operation of high brightness lamps 5. Formed tip. approximately 60% of AC values when DC use a minimum of 150 circuit volts. 6. Dark effect reduced. current is equal to RMS AC value. When Maximum initial breakdown voltage 95 VAC, 7. Lamp drops through a Ø.310" equal DC and RMS AC voltages and equal 135 VDC in light. cylinder of .500" minimum length.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

5-10 147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO LIGHT

Neon Indicator Lamps

Series Resistor Average Dimensions 100-125V 220-250V Useful inches Ohms W Ohms W Life A(Max.) B(Max.) C(Min.) Footnotes T-2 MidgetFlange B ase 220K 1/4 540K 1/3 25,000 .250 .525 .625 1,5,12 220K 1/4 - - 25,000 .250 .525 .625 1,5,11 47K 1/4 150K 1/3 25,000 .250 .525 .625 2,4,5,6,8,12 47K 1/4 - - 25,000 .250 .525 .625 2,4,5,6,8,11 100K 1/4 220K 1/3 25,000 .250 .828 .938 1,5,12 100K 1/4 - - 25,000 .250 .828 .938 1,5,11 30K 1/4 100K 1/3 25,000 .250 .828 .938 2,4,5,6,8,12 30K 1/4 - - 25,000 .250 .828 .938 2,4,5,6,8,11 47K 1/4 150K 1/3 15,000 .250 .828 .938 1,5,12,13 47K 1/4 - - 15,000 .250 .828 .938 1,5,11,13 T-2 Telephone S lide B ase 100K 1/4 220K 1/3 25,000 1.03 .290 - 1,5,7,12 100K 1/4 - - 25,000 1.03 .290 - 1,5,7,11 47K 1/4 150K 1/3 25,000 1.03 .290 - 2,4,6,7,8,12 47K 1/4 - - 25,000 1.03 .290 - 2,4,6,7,8,11 30K 1/4 100K 1/3 25,000 1.03 .290 - 2,4,5,6,7,8,12 30K 1/4 - - 25,000 1.03 .290 - 2,4,5,6,7,8,11

T-3 1/4MiniatureBayonetBase 220K 1/4 540K 1/3 25,000 .430 1.188 - 1 220K 1/4 - - 25,000 .430 1.188 - 1,11 47K 1/4 150K 1/3 25,000 .430 1.188 - 2,4,6,8 47K 1/4 - - 25,000 .430 1.188 - 2,4,6,9,11 47K 1/4 150K 1/3 15,000 .430 1.188 - 2,4,5,13 47K 1/4 - - 15,000 .430 1.188 - 2,4,5,11,13

Footnotes 1. Life value is to approximately 50% of initial resistances are utilized, life will be 3. Tinned leads. light output. Values shown apply to use on approximately the same. 4. High brightness. AC unless otherwise shown. Life on DC is 2. For DC operation of high brightness lamps 5. Formed tip. approximately 60% of AC values when DC use a minimum of 150 circuit volts. 6. Dark effect reduced. current is equal to RMS AC value. When Maximum initial breakdown voltage 95 VAC, 7. Lamp drops through a Ø.310" equal DC and RMS AC voltages and equal 135 VDC in light. cylinder of .500" minimum length.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

5-11 147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO LIGHT

Neon Indicator Lamps

Series Resistor Average Dimensions 100-125V 220-250V Useful inches Ohms W Ohms W Life A(Max.) B(Max.) C(Min.) Footnotes T-2 MidgetFlange B ase 220K 1/4 540K 1/3 25,000 .250 .525 .625 1,5,12 220K 1/4 - - 25,000 .250 .525 .625 1,5,11 47K 1/4 150K 1/3 25,000 .250 .525 .625 2,4,5,6,8,12 47K 1/4 - - 25,000 .250 .525 .625 2,4,5,6,8,11 100K 1/4 220K 1/3 25,000 .250 .828 .938 1,5,12 100K 1/4 - - 25,000 .250 .828 .938 1,5,11 30K 1/4 100K 1/3 25,000 .250 .828 .938 2,4,5,6,8,12 30K 1/4 - - 25,000 .250 .828 .938 2,4,5,6,8,11 47K 1/4 150K 1/3 15,000 .250 .828 .938 1,5,12,13 47K 1/4 - - 15,000 .250 .828 .938 1,5,11,13 T-2 Telephone S lide B ase 100K 1/4 220K 1/3 25,000 1.03 .290 - 1,5,7,12 100K 1/4 - - 25,000 1.03 .290 - 1,5,7,11 47K 1/4 150K 1/3 25,000 1.03 .290 - 2,4,6,7,8,12 47K 1/4 - - 25,000 1.03 .290 - 2,4,6,7,8,11 30K 1/4 100K 1/3 25,000 1.03 .290 - 2,4,5,6,7,8,12 30K 1/4 - - 25,000 1.03 .290 - 2,4,5,6,7,8,11

T-3 1/4MiniatureBayonetBase 220K 1/4 540K 1/3 25,000 .430 1.188 - 1 220K 1/4 - - 25,000 .430 1.188 - 1,11 47K 1/4 150K 1/3 25,000 .430 1.188 - 2,4,6,8 47K 1/4 - - 25,000 .430 1.188 - 2,4,6,9,11 47K 1/4 150K 1/3 15,000 .430 1.188 - 2,4,5,13 47K 1/4 - - 15,000 .430 1.188 - 2,4,5,11,13

Footnotes 1. Life value is to approximately 50% of initial resistances are utilized, life will be 3. Tinned leads. light output. Values shown apply to use on approximately the same. 4. High brightness. AC unless otherwise shown. Life on DC is 2. For DC operation of high brightness lamps 5. Formed tip. approximately 60% of AC values when DC use a minimum of 150 circuit volts. 6. Dark effect reduced. current is equal to RMS AC value. When Maximum initial breakdown voltage 95 VAC, 7. Lamp drops through a Ø.310" equal DC and RMS AC voltages and equal 135 VDC in light. cylinder of .500" minimum length.

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

5-11 147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO LIGHT

Neon Circuit Component Lamps

Design Initial DC Initial DC Part Old Ref. Current Breakdown Maintaining Configuration Number Number mA Voltage Voltage Wire Terminal 2AA NE-99 0.30 60-80 52-62 A 2AC 1.50 125 Max. - 3AD NE-98 0.30 65-80 Avg.>50 B 3AG 0.40 60-90 Avg.>58 3AG-B 0.40 65-73 52-62 3AG-C 0.40 68-76 52-62 3AG-F 0.40 65-73 64 Max.

C 3AH 2.00 75-135 Avg.70 3AJ 5.00 60-100 Avg.>59 3AJ-C 5.00 60-100 Avg.>59 4AD 0.50 105-135 60-80 4AE 0.50 120-150 60-80 5AB NE-23 0.30 60-90 Avg.59 5AB-A 0.30 60-80 50-65 5AB-B 0.30 62-72 50-60 5AB-BT 0.30 62-72 50-60 5AB-T 0.30 60-90 Avg.59 5AC NE-68 0.30 60-90 52-65 5AG NE-81 0.10 64-80 50-58 5AG-A NE-76 0.40 68-76 50-60 5AH NE-83 5.00 60-100 Avg.>59 5AH-A 5.00 60-85 50-65 5AH-B 5.00 75-85 55-66 5AH-D 3.00 60-85 50-70 5AH-E 5.00 60-100 Avg.>61 5AJ NE-86 1.50 55-90 Avg.>57 5AJ-A 1.50 55-75 45-65 5AJ-B 1.50 70-90 55-75

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

5-12 147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO LIGHT

Average Life to Indicate C hange Dimensions BreakdownVoltage Maintain V oltage inches Chg. Hrs. Chg. Hrs. A(Max.) B(Max.) C(Min.) Wire Terminal-S tandard Brightness - - 6.0 7,500 .244 .500 1.00 - 25,000 - - .244 .500 1.00 5.0 6,000 5.0 6,000 .244 .750 2.00 5.0 2,000 5.0 2,000 .244 .750 2.00 5.0 2,000 5.0 2,000 .244 .750 2.00 5.0 2,000 5.0 2,000 .244 .750 2.00 5.0 2,000 5.0 2,000 .244 .750 1.00 10.0 2,000 10.0 2,000 .244 .750 2.00 5.0 500 5.0 500 .244 .750 1.00 5.0 500 5.0 500 .244 .750 2.00 10.0 3,000 10.0 3,000 .244 .844 1.00 10.0 3,000 10.0 3,000 .244 .844 1.00 5.0 6,000 5.0 6,000 .244 1.000 1.00 5.0 6,000 5.0 6,000 .244 1.000 1.00 5.0 6,000 5.0 6,000 .244 1.000 1.00 5.0 6,000 5.0 6,000 .244 1.000 1.00 5.0 6,000 5.0 6,000 .244 1.000 1.00 - - 5.0 2,000 .244 1.000 1.00 5.0 2,000 5.0 2,000 .244 1.000 1.00 - 1,000 5.0 2,000 .244 1.000 1.00 5.0 5,000 5.0 5,000 .244 .938 1.00 5.0 5,000 5.0 5,000 .244 .938 1.00 5.0 5,000 5.0 5,000 .244 .938 1.00 5.0 5,000 5.0 5,000 .244 .938 1.00 5.0 5,000 5.0 5,000 .244 .938 2.00 5.0 2,000 5.0 2,000 .244 .938 1.00 5.0 2,000 5.0 2,000 .244 .938 1.00 5.0 2,000 5.0 2,000 .244 .938 1.00

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

5-13 147 Central Avenue Hackensack, New Jersey 07601 CHICAGO MINIATURE LAMP, INC. Tel: 201-489-8989 • Fax: 201-489-6911 WHERE INNOVATION COMES TO LIGHT

Average Life to Indicate C hange Dimensions BreakdownVoltage Maintain V oltage inches Chg. Hrs. Chg. Hrs. A(Max.) B(Max.) C(Min.) Wire Terminal-S tandard Brightness - - 6.0 7,500 .244 .500 1.00 - 25,000 - - .244 .500 1.00 5.0 6,000 5.0 6,000 .244 .750 2.00 5.0 2,000 5.0 2,000 .244 .750 2.00 5.0 2,000 5.0 2,000 .244 .750 2.00 5.0 2,000 5.0 2,000 .244 .750 2.00 5.0 2,000 5.0 2,000 .244 .750 1.00 10.0 2,000 10.0 2,000 .244 .750 2.00 5.0 500 5.0 500 .244 .750 1.00 5.0 500 5.0 500 .244 .750 2.00 10.0 3,000 10.0 3,000 .244 .844 1.00 10.0 3,000 10.0 3,000 .244 .844 1.00 5.0 6,000 5.0 6,000 .244 1.000 1.00 5.0 6,000 5.0 6,000 .244 1.000 1.00 5.0 6,000 5.0 6,000 .244 1.000 1.00 5.0 6,000 5.0 6,000 .244 1.000 1.00 5.0 6,000 5.0 6,000 .244 1.000 1.00 - - 5.0 2,000 .244 1.000 1.00 5.0 2,000 5.0 2,000 .244 1.000 1.00 - 1,000 5.0 2,000 .244 1.000 1.00 5.0 5,000 5.0 5,000 .244 .938 1.00 5.0 5,000 5.0 5,000 .244 .938 1.00 5.0 5,000 5.0 5,000 .244 .938 1.00 5.0 5,000 5.0 5,000 .244 .938 1.00 5.0 5,000 5.0 5,000 .244 .938 2.00 5.0 2,000 5.0 2,000 .244 .938 1.00 5.0 2,000 5.0 2,000 .244 .938 1.00 5.0 2,000 5.0 2,000 .244 .938 1.00

Chicago Miniature Lamp reserves the right to make specification revisions that enhance the design and/or performance of the product

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