حفاظت مدار برق‌گیر گازی (جی دی تی)

Product Attributes

Introduction

Bourns offers an 8×6 mm surface mount (SM) two-electrode GDT surge protection device. The industry-leading quality and features of the Bourns 2027 Series GDT are carried forward in this new SM version. The 2027-SM is compatible with pick-and-place assembly systems and is ideal for compact applications such as PCBs used in telecommunications, commercial, and industrial applications.

Features

• Surface mount for cost-effective assembly
• High surge current rating
• Low capacitance and insertion loss
• Stable breakdown voltage throughout service life
• Diameter 8 mm, length 6 mm
• UL certified
• Insulation resistance: > 10¹⁰ Ω at 100 V (50 V for models 2027-07-SM and 2027-09-SM)
• Glow voltage: ~ 70 V at 10 mA
• Arc voltage: ~ 10 V at > 1 A
• Glow-to-arc transition current: < 0.5 A
• Capacitance: < 1 pF at 1 MHz
• DC sustaining voltage: < 150 ms at 135 V (52 V for models 2027-07-SM and 2027-09-SM; 80 V for model 2027-15-SM)
• Impulse discharge current: 25000 A, 8/20 μs waveform, minimum 1 operation; 10000 A, 8/20 μs waveform, > 10 operations; 2500 A, 10/350 μs waveform, 2 operations; 500 A, 10/1000 μs waveform, > 400 operations; 100 A, 10/1000 μs or 10/700 μs waveform, > 1000 operations
• AC discharge current: 65 Arms, 11 cycles, minimum 1 operation; 10 Arms, 1 second, > 10 operations
• Operating temperature: -55 to +125 °C
• Climatic category (IEC 60068-1): 40/90/21

Applications

• Telecommunications
• Industrial Electronics
• Commercial Electronics