Gas Discharge Tube Gdt Products Page 22 Gas Discharge Tube GDT Products

Gas Discharge Tubes 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/12/17 Product Characteristics Voltage Vs. Time Characteristic V-I Characteristic Curve Materials Device Tin Plated 17.5 12.5 Microns Construction: Ceramic Insulator Storage and Operational Temperature -40 to +90C @1.0GHz = 0.03dB @1.4GHz = 0.06dB @1.8GHz = 0.09dB @2.0GHz = 0.11dB @2.4GHz = 0.13dB @2.8GHz = 0.15dB @3.1GHz = 0.17dB @3.5GHz = 0.19dB @4.0GHz = 0.22dB Typical Insertion Loss Note: Insertion data for customer reference only, application testing needed for verification. Electrical Characteristics Part Number Device Specifications (at 25C) Life Ratings DC Breakdown in Volts (@100V/s) Impulse Break- down in Volts (@100V/s) Impulse Break- down In Volts (@1 kV/s) Insulation Resistance Capaci- tance (@1MHz) Max Impulse Discharge Current (8/20s) Max Impulse Discharge Current (10/700s) AC Dischage Current (50Hz, 1sec) AC Dischage Current (Single, 9 Cycles) DC Holdover Voltage (<150ms) Impulse Life (10/1000s) (50A) MIN TYP MAX MAX MIN MAX MIN CG675 60 75 90 600 700 0.3pf 10 Shots @ (3kA) 1 1 Shot at 5kA 10 Shots @ (150A/6kV) 2 3A 6A 52V 300 Shots CG690 72 90 108 600 700 52V CG6145 116 145 174 600 700 52V CG6230 186 230 276 600 700 80V CG6250 200 250 300 600 700 80V CG6300 240 300 360 650 800 135V CG6350 280 350 420 750 900 135V CG6400 360 400 480 850 1000 135V CG6470 376 470 564 900 1100 135V CG6600 480 600 720 1000 1200 135V Note: 1. 5 x (+) and 5 x (-) applications of 3kA 8/20 s sec. 2. 5 x (+) and 5 x (-) applications of 150A 10/700 s sec. 1G @50V 1G @100V 1G @250V Voltage (V) Time (ns) 0 200 0 200 400 600 800 400 600 800 1000 1200 Max dynamic breakover voltage Hold over voltage On-state voltage I Axis Arc Voltage Point at which gas tube is at lowest impedance and fully conductive. Typical arc voltage at about 10 to 12 Volts Max Dynamic Breakover Voltage (Impulse Breakdown) Point at which gas tube is at lowest impedance and fully conductive Holdover Voltage Device resets to a high impedance state once the voltage across the device falls below this level. Characteristics of Gas Plasma -response to transient condition V Axis Note: Tested per 1kV/s waveform CG6 Series

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