PRODUCT: GTCx28-xxxx-P15 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Gas Discharge Tube High Surge Two Electrode Series Overvoltage Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25820 REV LETTER: C REV DATE: MAY 25, 2007 PAGE NO.: 1 OF 5 Specification Status: Released 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 Non-radioactive materials APPLICATIONS • Telecommunications: - MDF modules, xDSL equipment, RF system protection • Industrial Electronics and Commercial Electronics, such as - Power Supplies, Surge Protectors, Alarm systems SYMBOL TYPICAL APPLICATION SCHEMATIC PolySwitch Device SiBar Device PRODUCT: GTCx28-xxxx-P15 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Gas Discharge Tube High Surge Two Electrode Series Overvoltage Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25820 REV LETTER: C REV DATE: MAY 25, 2007 PAGE NO.: 2 OF 5 PART NUMBERING EXAMPLE: GT C N 2 8 - 231 M - P 15 - FS Series GT : Gas Tube Packaging No Suffix: standard Tray packaging -B: Bulk packaging (only upon special request) Material C : Ceramic with Fail-Short mechanism Type N : No Leads A : Axial Leaded Surge Rating 15 : 15kA (10 times 8 x 20μs) Product Family Number of Electrodes 2 : Two Voltage Tolerance M : ± 20% Diameter 8 : 8mm Voltage Designator 900 : 90 x 10^0 = 90V 151 : 15 x 10^1 = 150V 231 : 23 x 10^1 = 230V 251 : 25 x 10^1 = 250V 351 : 35 x 10^1 = 350V DEVICE MARKING EXAMPLE : GTCN28-900M-P15 09 P 15 GN Week of Manufacture Per Raychem Circuit Protection lot number system : E.g. G = First half of 2004; N = week 14 Surge Rating: 15 : 15kA Product Family Voltage Designator 09 : 90 V Raychem Symbol PRODUCT: GTCx28-xxxx-P15 Gas Discharge Tube High Surge Two Electrode Series 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Overvoltage Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25820 REV LETTER: C REV DATE: MAY 25, 2007 PAGE NO.: 3 OF 5 GENERAL CHARACTERISTICS No Radioactive Material Storage temperature: Devices without Fail-Short Mechanism: Devices with Fail-Short Mechanism: -40°C … +90°C -20°C … +65°C Operating temperature: Devices without Fail-Short Mechanism: Devices with Fail-Short Mechanism: -40°C … +90°C -20°C … +65°C Body: Nickel Plated Leads: Tin Plated DEVICE RATINGS AND CHARACTERISTICS DC Sparkover Voltage Part Number Impulse Sparkover Voltage @ 100V/s @ 100V/μs @ 1kV/μs Insulation Resistance DC Capacitance Holdover Impulse Life Voltage @ 100VDC @ 1MHz Per ITUK.12 10/1000μs, 100A 1 ≤ 1.5pF ≤ 52V 300 times 20kA 15kA 90A 20A 1 Impulse Discharge Current 8/20μs AC Discharge Current, 50Hz Repeat 10 Single Single times Hit, 9 Hit (5 times each Cycles polarity) Repeat 10 times (1s interval) GTCN28-900M-P15 GTCA28-900M-P15 72 - 108V ≤ 450V ≤ 500V ≥ 10,000MΩ GTCN28-151M-P15 GTCA28-151M-P15 120 - 180V ≤ 500V ≤ 600V ≥ 10,000MΩ ≤ 1.5pF ≤ 52V 300 times 20kA 15kA 90A 20A GTCN28-231M-P15 GTCN28-231M-P15-FS 184 -280V GTCA28-231M-P15 ≤ 600V ≤ 700V ≥ 10,000MΩ ≤ 1.5pF ≤ 3.5pF ≤ 1.5pF ≤ 52V 300 times 20kA 15kA 90A 20A GTCN28-251M-P15 GTCA28-251M-P15 200 - 300V ≤ 600V ≤ 700V ≥ 10,000MΩ ≤ 1.5pF ≤ 52V 300 times 20kA 15kA 90A 20A GTCN28-351M-P15 GTCA28-351M-P15 280 - 420V ≤ 700V ≤ 800V ≥ 10,000MΩ ≤ 1.5pF ≤ 52V 300 times 20kA 15kA 90A 20A Note 1. Insulation Resistance measured at 50 VDC. PRODUCT: GTCx28-xxxx-P15 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Gas Discharge Tube High Surge Two Electrode Series DOCUMENT: SCD 25820 REV LETTER: C REV DATE: MAY 25, 2007 PAGE NO.: 4 OF 5 Overvoltage Protection Device Raychem Circuit Protection Products DIMENSIONS No Leads, no Fail-Short mechanism (GTCN28-xxxx-P15) A MIN 5.8 0.23 mm: in*: C MAX 6.2 0.24 MIN 7.8 0.31 MAX 8.2 0.32 *Rounded off approximation No Leads, with Fail-Short mechanism (GTCN28-231M-P15-FS) Fail-Short Operation Time 50Hz 0.7A : 210s 2.0A : 60s 7.0A: <1s A mm: in*: MIN 5.8 0.23 B MAX 6.2 0.24 MIN --- C MAX 9.5 0.37 MIN 7.8 0.31 F MAX 8.2 0.32 MIN G --- MAX 7.0 0.28 *Rounded off approximation Axial Leads, no Fail-Short mechanism (GTCA28-xxxx-P15) MIN 7.8 MAX 8.2 MIN 28.0 MAX 32.0 ∅d NOM 1.0 0.31 0.32 1.10 1.26 0.04 A mm: in*: MIN 5.8 0.23 C MAX 6.2 0.24 D *Rounded off approximation MIN --- MAX 3.0 0.12 PRODUCT: GTCx28-xxxx-P15 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Gas Discharge Tube High Surge Two Electrode Series Overvoltage Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25820 REV LETTER: C REV DATE: MAY 25, 2007 PAGE NO.: 5 OF 5 PACKAGING Packaging Bulk* ( vacuum bags) Tray Standard Box Quantity 200 100 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. 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