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| PRODUCT: GTCx37 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Gas Discharge Tube Three Electrode 7.5mm Diameter Overvoltage Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25821 REV LETTER: D REV DATE: MAY 25, 2007 PAGE NO.: 1 OF 6 Specification Status: Released GENERAL DESCRIPTION BENEFITS * * * * Helps provide overvoltage fault protection against high energy surges Suitable for sensitive equipment due to excellent impulse sparkover response Suitable for high-frequency applications Highly reliable performance FEATURES * * * * * * * Crowbar device with low arc-voltage Low capacitance and insertion loss High accuracy spark-over voltages for high precision designs Tested per ITU K.12 recommendations Optional Fail-Short mechanism Various lead configurations Non-radioactive materials APPLICATIONS * Telecommunications: - MDF modules, xDSL equipment, RF system protection * Industrial Electronics and Consumer Electronics, such as - Power Supplies, Surge Protectors, Alarm systems SYMBOL TYPICAL APPLICATION SCHEMATIC PolySwitch Devices SiBar Devices PRODUCT: GTCx37 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Gas Discharge Tube Three Electrode 7.5mm Diameter Overvoltage Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25821 REV LETTER: D REV DATE: MAY 25, 2007 PAGE NO.: 2 OF 6 PART NUMBERING EXAMPLE: GT C R 3 7 - 231 M - P 10 - FS Series GT : Gas Tube Material C : Ceramic Type R : Radial Leads T : T Leads Number of Electrodes 3 : Three Diameter 7 : 7.5mm Packaging No Suffix: standard Tray packaging -B: Bulk packaging (only upon special request) with Fail-Short mechanism Surge Rating 10 : 10kA (10 times 8 x 20s) Product Family Voltage Tolerance M : 20% N : 25% Voltage Designator 900 : 90 x 10^0 = 90V 151 : 15 x 10^1 = 150V 201 : 20 x 10^1 = 200V 231 : 23 x 10^1 = 230V Etc.. DEVICE MARKING EXAMPLE : GTCR37-231M-P10 23 P 10 GN Week of Manufacture Per Raychem Circuit Protection lot number system : E.g. G = First half of 2004; N = week 14 Surge Rating: 10 : 10kA Product Family Voltage Designator 23 : 230 V Raychem Symbol PRODUCT: GTCx37 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Gas Discharge Tube Three Electrode 7.5mm Diameter Overvoltage Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25821 REV LETTER: D REV DATE: MAY 25, 2007 PAGE NO.: 3 OF 6 GENERAL CHARACTERISTICS No Radioactive Materials Storage temperature: Devices without Fail-Short mechanism: Devices with Fail-Short mechanism: Operating temperature: Devices without Fail-Short mechanism: Devices with Fail-Short mechanism: Body: Nickel Plated Lead Material : Tin Plated UL 497B Pending -40C ... +90C -20C ... +65C -40C ... +90C -20C ... +65C A E B DEVICE RATINGS AND CHARACTERISTICS DC Sparkover Voltage (A-E) (B-E) Part Number @ 100V/s Impulse Sparkover Voltage (A-E) (B-E) @ 100V/s @ 1kV/s Insulation Resistance Capacitance DC Holdover Voltage Impulse Life (A+B-E) 10/1000s, 400A Impulse Discharge AC Discharge Current, Current 8/20s 50Hz (A+B-E) (A+B-E) Repeat 10 times Repeat 10 Single Single Hit, (5 times times Hit 9 Cycles each (1s interval) polarity) 20kA 10kA 130A 10A @ 100VDC @ 1MHz Per ITU K.12 GTCR37-900M-P10 GTCR37-900M-P10-FS GTCT37-900M-P10 GTCR37-151M-P10 GTCR37-151M-P10-FS GTCT37-151M-P10 GTCR37-201N-P1 GTCR37-201N-P10-FS GTCT37-201N-P10 GTCR37-231M-P10 GTCR37-231M-P10-FS GTCT37-231M-P10 GTCR37-251M-P10 GTCR37-251M-P10-FS GTCT37-251M-P10 GTCR37-261M-P10 GTCR37-261M-P10-FS GTCT37-261M-P10 GTCR37-301M-P10 GTCR37-301M-P10-FS GTCT37-301M-P10 GTCR37-351M-P10 GTCR37-351M-P10-FS GTCT37-351M-P10 GTCR37-401M-P10 GTCR37-401M-P10-FS GTCT37-401M-P10 GTCR37-551M-P10 GTCR37-551M-P10-FS GTCT37-551M-P10 90V 20% 700V 850V 10,000M1 3.0pF 52V 300 times 150V 20% 700V 850V 10,000M1 3.0pF 52V 300 times 20kA 10kA 130A 10A 200V 25% 500V 650V 10,000M 3.0pF 135V 300 times 20kA 10kA 130A 10A 230V 20% 500V 650V 10,000M 3.0pF 135V 300 times 20kA 10kA 130A 10A 250V 20% 500V 650V 10,000M 3.0pF 135V 300 times 20kA 10kA 130A 10A 260V 20% 500V 650V 10,000M 3.0pF 135V 300 times 20kA 10kA 130A 10A 300V 20% 600V 750V 10,000M 3.0pF 135V 300 times 20kA 10kA 130A 10A 350V 20% 600V 750V 10,000M 3.0pF 150V 300 times 20kA 10kA 130A 10A 400V 20% 700V 850V 10,000M 3.0pF 150V 300 times 20kA 10kA 130A 10A 550V 20% 850V 1,000V 10,000M 3.0pF 150V 300 times 20kA 10kA 130A 10A Note 1. Insulation Resistance measured at 50 VDC. PRODUCT: GTCx37 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Gas Discharge Tube Three Electrode 7.5mm Diameter Overvoltage Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25821 REV LETTER: D REV DATE: MAY 25, 2007 PAGE NO.: 4 OF 6 DIMENSIONS Radial Leads, no Fail-Short mechanism (GTCR37-xxxx-P10) A mm: in*: MIN --MAX 12.0 0.47 MIN 7.3 0.29 C MAX 7.7 0.30 MIN 6.5 0.26 D MAX 7.5 0.30 MIN 4.1 0.16 E MAX 4.7 0.19 d NOM 1.0 0.04 * Rounded off approximation Radial Leads, with Fail-Short mechanism (GTCR37-xxxx-P10-FS) A mm: in*: MIN --MAX 12.0 0.47 MIN --- B MAX 9.3 0.37 MIN --- C MAX 8.0 0.32 MIN 6.5 0.26 D MAX 7.5 0.30 MIN 6.0 0.24 D1 MAX --MIN 4.1 0.16 E MAX 4.7 0.19 d NOM 1.0 0.04 * Rounded off approximation PRODUCT: GTCx37 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Gas Discharge Tube Three Electrode 7.5mm Diameter Overvoltage Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25821 REV LETTER: D REV DATE: MAY 25, 2007 PAGE NO.: 5 OF 6 T Leads, no Fail-Short mechanism (GTCT37) A mm: in*: MIN --MAX 12.0 0.47 MIN 23.0 0.91 D MAX 29.0 1.14 MIN 28.0 1.10 D1 MAX 32.0 1.26 d NOM 1.0 0.04 * Rounded off approximation PRODUCT: GTCx37 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Gas Discharge Tube Three Electrode 7.5mm Diameter Overvoltage Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25821 REV LETTER: D REV DATE: MAY 25, 2007 PAGE NO.: 6 OF 6 FAIL-SHORT MECHANISM RESPONSE TIME (Graph represents typical values) Note: Both electrodes simultaneously powered, each with the AC current value in the graph PACKAGING Packaging Quantity Bulk* ( vacuum bags) 200 Tray 100 Standard Box 1,000** * Standard packaging is in trays. Bulk packaging is only available upon request. ** 5 bags or 10 trays Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of each product for their applications. Tyco Electronics Corporation assumes no responsibility for the use of its product or for any infringement of patents or other rights of third parties resulting from the use of its product. No license is granted by implication or otherwise under any patent or proprietary right of Tyco Electronics except the right to use such product for the purpose for which it is sold. Tyco Electronics reserves the right to change or update, without notice, any information contained in this publication; to change, without notice, the design, construction, processing, or specification of any product; and to discontinue or limit production or distribution of any product. This publication supersedes and replaces all information previously supplied. Without expressed or written consent by an officer of Tyco Electronics, Tyco Electronics does not authorize the use of any of its products as components in nuclear facility applications, aerospace, or in critical life support devices or systems. Tyco Electronics' only obligations are those in the Tyco Electronics Standard Terms and Conditions of Sale and in no case will Tyco Electronics be liable for any incidental, indirect, or consequential damages arising from the sale, resale, use, or misuse of its products. (c) 2005, 2007 Tyco Electronics Corporation. All rights reserved. |
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