حفاظت مدار برق‌گیر گازی (جی دی تی)

Product Attributes

Features

• Balanced TRIGARD gas discharge tube
• Diameter approx. 8 mm, length approx. 11 mm
• UL certified
• Custom configurations available
• High surge current rating
• Stable breakdown voltage throughout service life
• RoHS-compliant versions available
• Impulse sparkover delay: 1000 V/µs, less than 75 ns
• Insulation resistance: 100 V (50 V for models 2026-07 and 2026-09), greater than 10¹⁰ Ω
• Glow voltage: 10 mA, approx. 70 V
• Arc voltage: 1 A, approx. 10 V
• Glow-to-arc transition current: less than 0.5 A
• Capacitance: 1 MHz, less than 2 pF
• DC holdover voltage (network applied): greater than 135 V (52 V for models 2026-07 and 2026-09; 80 V for model 2026-15), less than 150 ms
• Impulse discharge current: 20000 A, 8/20 µs waveform, 10 operations; 5000 A, 10/350 µs waveform, 1 operation; 1000 A, 10/1000 µs waveform, 400 operations
• AC discharge current: 130 Arms, 11 cycles, minimum 1 operation; 20 Arms, 1 second, 10 operations
• Operating and storage temperature: -40 ~ +90 °C
• Climatic category (IEC 60068-1): 40/90/21
• Moisture sensitivity level: Level 1
• ESD rating (HBM): N/A
• Optional fail-short device available. This optional fail-short component activates at 215 °C ~ 217 °C, providing a highly conductive path to ground upon overheating. GDTs equipped with the optional fail-short device should be hand-soldered below the fail-short mechanism activation temperature, or using a selective soldering process not exceeding 210 °C.

Applications

• Telecom
• Industrial Electronics
• Commercial Electronics
• Consumer Electronics