حفاظت مدار برق‌گیر گازی (جی دی تی)

Product Attributes

Features

• Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards.
• Impulse Sparkover voltage is defined as typical values of distribution.
• Impulse Transverse Delay: 1000 V/µs < 75 ns
• Insulation Resistance: 100 V (50 V for Model 2026–07 & 2026-09) > 10^10 Ω
• Glow Voltage: 10 mA ~ 70 V
• Arc Voltage: 1 A ~ 10 V
• Glow-Arc Transition Current < 0.5 A
• Capacitance: 1 MHz < 2 pF
• DC Holdover Voltage (3) >135 V, (52 V for Model 2026-07 & 2026-09, < 150 ms 80 V for Model 2026-15)
• Impulse Discharge Current: 20000 A, 8/20 µs (4) 10 operations; 5000 A, 10/350 µs 1 operation; 1000 A, 10/1000 µs 400 operations
• Alternating Discharge Current: 130 Arms, 11 cycles (4) 1 operation minimum; 20 Arms, 1 s 10 operations
• Operation and Storage Temperature: -40 to +90 ℃
• Climatic Category (IEC 60068-1): 40/ 90/ 21
• Moisture Sensitivity Level: 1
• ESD Classification (HBM): N/A
• An optional Switch-Grade Fail-Short device is available. The optional Fail-Short assembly will activate at a temperature of 215 ℃ - 217 ℃ to provide a high conductive path to ground in case of a thermal overload.

Applications

• Telecommunications
• Industrial electronics
• Commercial electronics
• Consumer electronics