6844A Nixie Tube Display Devices in 6844, 6844A, B13B, BD-302, HSK-106-R6 This Document

Dieter’s Nixie Tube Data Archive This file is a part of Dieter's Nixie- and display tubes data archive If you have more datasheets, articles, books, pictures or other information about Nixie tubes or other display devices please let me know. Thank you! Document in this file Burroughs datasheet: 6844A Nixie tube Display devices in 6844, 6844A, B13B, BD-302, HSK-106-R6 this document File created by Dieter Waechter www.tube-tester.com no. 105 November 1957 NUMIERICAL INDICATOR Li engineering data report 6844A (BD-302) NIXIE* C The 6844A (BD-302) is an improved version of the type 6844. This tube is a gas-filled, cold cathode, 10-digit ("0"' through ".9"), numerical indicator tube, having a common anode with a 'I Z suppressor screen to minimize darkening of the viewing dome. This tube features a cup design * providing a non-glare background. It is intended for use as a direct in-line read-out device. U Fr MECHANICAL DATA ELECTRICAL DATA (SEE FIGURE 1) i?~~~~~~ 21 Oveal. Legt 1.80 Ma. ABSOLUTE RATINGS: o n Seated Height .1.......... .123"...... Max. IoiainVlae . 7 d iiu Bulb Diameter .................... 1.080" Max. oiao Vlg ................. 17 d nmu Envelope Connections ..............See Figure 2 Anode Current 0 Height of Numerals .0................610" Nom. Peak .4....................0 MA Numerical Design Aeae.................... AMx (Human Engineering) .........See Figure 3Avrg2.MAa. Socket, 13-Pin Individual Cathode Wattage ......0.4 Watts Max. (#HSK.106 or HSK.112) ..... See Figure 4 Weight .I................... oz. Max. Mounting Position .................See Note 1 2. TEST CONDITIONS: (See Typical Circuit) Cathode(s) .Glow................. Discharge Shock .350.................. G's (30' Hammer) Anode Supply Voltage ...... :.....170 Vdc Vibration .10.................. Gas, 60 Cps. Anode Series Resistor ..............15 K Ohms Temperature .- 65..................*C. through +70" C., Note 2 Anode Current .1...........5........ MA Mm., Altitude .70,000................ Feet 2.5 MA Max. TYPICAL CIRCUIT E~~~~- RECOMMENDED OPERATrING CONDITIONS 170V 15K 250V 47K 300V 75K NOTrES (1) The tube socket is oriented with (2) From +30' C. to +700 C., no (3) Recommend highest voltage respect to the viewing position signihicant change in cathode available be selected with cor- so that A - A', intersecting the urn cus r +0C epdi eis sst. center of Pins 1 and 8 is verti- cretocr.Fo 3'C epnigsre eitr cal with Pin 8 on top. This to --63' C. an increase in cath- orients the numerals in the cor- ode (Up to 50%0) may be rect vertical position. The num- expected. bers are viewed through the top of the tube. Reg. Trade Mark. r ~~AN1GULAR D\5TORrII s oVMYUMVAALSPEM .75NOM. VO~ ~ ~ ~ ~~~~~~~~~.eDEPH ~ I I UERL 1.306 I/ zti5 oo MAK.- - 1 .250 NOM. KI 1.7 A 00 1( (. K? ~~0 4 K9 ~ IGIaADL K4 K7 %COlAT NOTED IoO hIC.- SILVE PLATED US PN B1~O VIEW 'I TIm4 DAJIPP USE VIBOTOMPINS BOTT~~~~OM vLWE LAE P16. 3 KrvwAY A APLCTON NIEEIGDPATET Electronic Tube6~~ DI Ii ~ nOFRNXoq NIEERINGSEVCANCOSLTI, 0-~~~~~~~~ HA EE PTO SITYUI AIGPLDATG B H US P C P 0 0 R GP 0 P AT I 0 N OFTH sDVC.WIEFRFRHRIF R AIN 1234567890~lan ied Nw ere.

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