Multipin Connector Face Can Prevent Radio Frequency Noise from Passing to Or from the Central Conductor

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Multipin Connector Face Can Prevent Radio Frequency Noise from Passing to Or from the Central Conductor C.0 COAXIAL Introduction Description CeramTec coaxial connectors consist of two concentric conduc- tors: a central conductor surround- Feedthrough ed by and insulated from a second tubular conductor. The outside conductor is usually at ground potential but in some product vari- ations may be floated off ground by employing an additional insulat- ing ring. The outer conducting sur- Multipin Connector face can prevent radio frequency noise from passing to or from the central conductor. CeramTec’s Ceramaseal® product line includes a complete line of industry-standard Coaxial coaxial connectors ranging from Microdot through SHV. These coax- signal transmission. CeramTec’s Standard Specifications ial connectors are manufactured for standard BNC connectors are avail- • Grounded and floating shield high and ultra-high vacuum service. able as single or double ended versions Microdot connectors are the small- units with a grounded shield or a floating shield. • High frequency 50 ohm imped- est standard threaded interface ance matched connectors connectors we offer for use in MHV (Miniature High Voltage) • Connectors sold with or without Thermocouple Ultra-High Vacuum (UHV). connectors are designed for high- air side plugs CeramTec’s standard Microdot con- voltage applications of BNC connec- nectors are available as single tors (DC voltage between 500 V ended or double ended units. and 5 kV). MHV connectors are Typical Coaxial Construction SMA (Subminiature Type-A) sometimes referred to as “high- voltage BNCs.” CeramTec’s standard Conductor Isolator connectors offer a threaded interface in a subminiature size. MHV connectors are available as Washer Matched impedance designs are single ended or double ended units Cap also available and are ideally suited with a floating shield or a ground- for high frequency signal transmis- ed shield. Insulator sion above 10 GHz. CeramTec’s Type N series connec tors are the standard SMA connectors are avail- most popular medium-sized con- Flange Viewport able as single ended or double nectors, accommodating voltages ended units. up to 1.5 kV. The threaded cou- SMB (Subminiature Type-B) pling provides low noise and connectors are designed for quick increases resistance to shock and Flange connecting and disconnecting. vibration. Matched impedance This is madepossible by the SMB’s designs are also available and are ideally suited for high frequency Tube Pressure spring retention connector. CeramTec’s standard SMB connec- signal transmission above 6 GHz. tors are single ended and available CeramTec’s standard Type N connec- with a grounded shield or a float- tors are available as single or dou- ing shield configuration. ble ended units. BNC connectors are the most popu- HN series connectors are Type N Adapter lar miniature-sized connector and series connectors that have been Accessories can accommodate up to 500 V DC. designed to take higher voltages The BNC is characterized by its (up to 7 kV). These matched imped- quick connect/disconnect bayonet ance designs are ideally suited for coupling. Matched impedance high frequency signal transmission designs are also available and are or fast rise time pulses for data ideally suited for high frequency transmission. Technical Reference 74 USA: (800) 752-7325 www2.ceramtec.com [email protected] COAXIAL Introduction C.0 SHV (Safe High Voltage) Feedthrough connectors feature an improved STANDARDSPECIFICATIONS interface over the MHV. The SHV Category Classification DC Voltage Coupling Current Cable outer contact ground connection is (amps) maintained through the center con- Subminiature Microdot® 1000V Threaded 2 .08 dia. 50-ohm tact mating cycle. The center contact Multipin Connector is recessed to prevent shock hazard SMB 375V Push-on 1.4 RG-174/U (Subminiature-B) when disengaged. Four designs are included in this Product Guide cover- SMA 500V Threaded 0.8 - 1.8 RG-58/U (Subminiature-A) ing DC voltages from 5 kV to as high as 20 kV. The BSHV version is a bake- Miniature BNC 500V Bayonet 3.6 - 4.4 RG-58/U able SHV connector that exhibits the MHV 5000V Bayonet 3.6 RG-59/U safety level of the SHV. CeramTec’s (Min. High-Voltage) standard SHV connectors are single SHV-5KV 5000V Bayonet 10 RG-59/U ended and available with a grounded (Safe High-Voltage) Coaxial shield or a floating shield (SHV 5 kV) SHV-10KV 10,000V Bayonet 2.2 - 10 RG-58/U configuration. (Safe High-Voltage) Extreme / Custom Design SHV-20KV 20,000V Bayonet 16.5 RG-213/U (Safe High-Voltage) • Multiple coaxial and multipin connectors in a flange BSHV 7500V Threaded 8 RG-59/U Thermocouple Isolator Viewport Pressure Accessories Technical Reference (Bakeable Safe • Double ended 50 ohm coaxial High-Voltage) connector with floating shield for a cryogenic application Medium- N 1500V Threaded 0.8 - 5 RG-8/U Sized RG-9/U • Coaxial connectors using a glass- RG-10/U ceramic seal for cryogenic and corrosive environments HN 7000V Threaded 7 RG-8/U RG-9/U • LC connector, TNC connector and RG-87/U other military style coaxial RG-213/U RG-214/U connectors RG-225/U Installation Standard installation mountings • Microwave include: • In-vacuum coating • Weld (Pulse-TIG, TIG, Laser, • Particle accelerators E-Beam) • ISO KF flange New Products • ConFlat flange • Floating SMA connector • NPT fitting (see Pressure • BNC to Microdot connector section) • New 50 Ohm BNC connector design Applications A few of the many applications in High Frequency which these coaxial connectors are 50 Ohm Designs commonly used are: • SMA • Telecommunications • BNC • Semiconductor processing • Type N equipment • HN • Aerospace equipment • Medical equipment [email protected] www2.ceramtec.com TEL: (864) 682-3215 75 C.0 COAXIAL VSWR vs. Frequency Charts VSWR vs. Frequency Charts SMA BNC Feedthrough MAXIMUM VSWR Multipin Connector Typical VSWR Coaxial Type N Type N-SMA Thermocouple Isolator Viewport Pressure Accessories Technical Reference 76 USA: (800) 752-7325 www2.ceramtec.com [email protected] COAXIAL Table of Contents C.0 Feedthrough Voltage Section Type DC Current Impedance Rating Sub-section Pages C.1 1 kV 2 Amps Non-Constant Microdot Multipin Connector 78-81 C.2 375 V s1.4 Amp Non-Constant SMB 82-85 C.3 500 V to 1.8 Amps 50 Ohm & Non-Constant SMA 86-93 Coaxial C.4 500 V to 3.6 Amps 50 Ohm & Non-Constant BNC 94-103 Thermocouple Isolator Viewport Pressure Accessories Technical Reference C.5 5 kV 3.6 Amps Non-Constant MHV 104-111 C.6 1.5 kV to 5 Amps 50 Ohm & Non-Constant Type N 112-115 C.7 7 kV 7 Amps 50 Ohm HN 116-117 C.8 5 kV 10 Amps Non-Constant SHV 5 KV 118-123 C.9 7.5 kV 8 Amps Non-Constant BSHV 7.5 KV 124-125 C.10 10 kV to 10 Amps Non-Constant SHV 10 KV 126-129 C.11 20 kV 16.5 Amps Non-Constant SHV 20 KV 130-131 C.12 1.5 kV 0.8 Amps 50 Ohm & Non-Constant Between Series 132-135 [email protected] www2.ceramtec.com TEL: (864) 682-3215 77 Microdot C.1 COAXIAL Low Frequency / Single Ended - Grounded Shield Weldable ISO KF - NW40KF Feedthrough Ø.50 Ø.50 Ø.15 [13] [13] [13] NW40KF Molybdenum Conductor Ø.042 [1.1] Multipin Connector Ø2.16 [55] Coaxial ISO KF - NW16KF .25 [6.3] .23 [5.7] NW16KF Molybdenum Conductor Ø.042 ConFlat - NW35CF [1.1] Ø1.18 [30] Thermocouple Ø.50 Ø.50 Ø.50 [13] [13] [13] .25 [6.4] NW35CF Isolator .23 [5.7] Molybdenum Conductor Ø.042 [1.1] Ø2.73 [69] Viewport ConFlat - NW16CF NW16CF Molybdenum Conductor .50 [13] .28 [7.1] Ø.042 [1.1] Pressure Ø1.33 [34] Specifications Materials Housing: Kovar Pin: Molybdenum Insulation: Alumina ceramic Magnetic Materials: Yes Accessories Voltage Rating 1 kV DC .29 [7.2] .28 [7.1] Current Rating 2 Amps Temperature Range -55°C to 450°C, ISO KF -25˚C to 205˚C Pressure @ 20°C See table Technical Reference 78 USA: (800) 752-7325 www2.ceramtec.com [email protected] Microdot COAXIAL Low Frequency / Single Ended - Grounded Shield C.1 Feedthrough Weldable NO. PRESSURE @ 20˚C PART PINS INSTALLATION PSIG BAR NUMBER 1 Weld 1600 110 17614-01-W Multipin Connector ISO FLANGE 1 NW16KF -- 21507-01-KF ISO KF 2 NW40KF -- 21525-01-KF 3 NW40KF -- 21526-01-KF 4 NW40KF -- 21527-01-KF Coaxial CONFLAT FLANGE 1 1 1/3” (NW16CF) 1600 110 21505-01-CF ConFlat Thermocouple Isolator Viewport Pressure Accessories Technical Reference 2 2 3/4” (NW35CF) 1500 103 21522-01-CF 3 2 3/4” (NW35CF) 1500 103 21523-01-CF 4 2 3/4” (NW35CF) 1500 103 21524-01-CF Air Side Cable VOLTAGE CONDUCTOR TEMPERATURE PART Assembly TYPE LENGTH DC AMPS MIN MAX NUMBER Microdot – Single Ended 10’ 1 kV 2 -65˚C 125˚C 14544-01-A Contacts PART TYPE MATERIAL DESCRIPTION NUMBER 0.042 Crimp Contacts Gold Plated 300 Series Stn. Stl. Accepts wire up to 0.030 [0.76] 14461-04-A Crimp Tool For 0.025” – 0.075” Diameters 2840-05 *Contacts priced and sold in packages of 5. See the Accessories section for more information on all accessories. [email protected] www2.ceramtec.com TEL: (864) 682-3215 79 Microdot C.1 COAXIAL Low Frequency / Double Ended - Grounded Shield Weldable ISO KF - NW40KF Feedthrough Ø.90 Ø.90 Ø.90 [23] [23] [23] NW40KF Multipin Connector Ø2.16 [55] Coaxial ISO KF - NW16KF .75 [19] .34 [8.7] NW16KF ConFlat - NW35CF Ø1.18 [30] Thermocouple Ø.90 Ø.90 Ø.90 [23] [23] [23] NW35CF Isolator .49 [13] .60 [15] Ø2.73 [69] Viewport ConFlat - NW16CF NW16CF .50 [13] .34 [8.7] .75 [19] Pressure Ø1.33 Specifications [34] Materials Housing: 304 Stainless steel Contact: 304 Stainless steel Insulation: Alumina ceramic Magnetic Materials: Yes Accessories Voltage Rating 1 kV DC .29 [7.2] Current Rating 2 Amps .75 [19] .34 [8.7] Temperature Range -55°C to 450°C, ISO KF -25˚C to 205˚C Pressure @ 20°C See table Technical Reference 80 USA: (800) 752-7325 www2.ceramtec.com [email protected] Microdot COAXIAL Low Frequency / Double Ended - Grounded Shield C.1 Feedthrough Weldable NO.
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