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Bourns 203735BLF Miniature 2-Pole Gas Discharge Tube

The Bourns 2037-35-BLF is a miniature 2-pole gas discharge tube (GDT) offering reliable overvoltage protection in a compact form factor. Designed for applications ranging from telecommunications equipment to industrial control systems and consumer electronics, this GDT provides a crucial layer of defense against transient voltage surges. Its small size (5mm diameter) makes it suitable for space-constrained designs, while its high surge current rating ensures effective protection in demanding environments. The component is RoHS compliant, aligning with environmental regulations and promoting sustainable practices. Bourns GDTs are known for their stable breakdown voltage and long-term reliability, contributing to the overall robustness of electronic systems.

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Source:DigiKey
Part No:2037-35-BLF
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Inv Date:05-28-2026
Price: Unit price: $1.42
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Part No:2037-35-BLF
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Inv Date:05-29-2026
Price: Unit price: $1.18
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Part No:2037-35-BLF
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Inv Date:05-28-2026
Price: Unit price: $0.99
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Part No:2037-35-BLF
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Inv Date:05-28-2026
Price: Unit price: $0.788
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Part No:2037-35-BLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.788
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Part No:2037-35-BLF
Stock:12
Inv Date:05-29-2026
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Bourns 203735BLF Miniature 2-Pole Gas Discharge Tube Specifications:

  • DC Sparkover Voltage: 90 V (Model 2035/2037-09), 150 V (Model 2035/2037-15), 200 V (Model 2035/2037-20), 230 V (Model 2035/2037-23), 250 V (Model 2035/2037-25), 300V (Model 2035/2037-30)
  • Impulse Sparkover Voltage: 300 V (Model 2035/2037-09), 550 V (Model 2035/2037-15), 425 V (Model 2035/2037-20), 450 V (Model 2035/2037-23), 475 V (Model 2035/2037-25), 525 V (Model 2035/2037-30)
  • Insulation Resistance: >10^10 Ω
  • Glow Voltage: ~70 V
  • Arc Voltage: ~10 V
  • Glow-Arc Transition Current: <0.5 A
  • Capacitance: <1 pF
  • DC Holdover Voltage: <150 ms
  • Impulse Discharge Current: 10000 A, 8/20 μs
  • Alternating Discharge Current: 20 Arms, 11 cycles
  • Operating Temperature: -55 to +85 °C
  • Climatic Category: 40/90/21
  • UL Recognition: UL File E153537
  • Sparkover Limits After Life: ±20 % (-25 %, +30 % for Models 2035/2037-09 and 2035/2037-60)

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Frequently Asked Questions

Where can I buy Bourns 203735BLF?

You can click on the BUY or RFQ button to purchase 203735BLF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 203735BLF?

You can download the 203735BLF datasheet or visit the Bourns website for support.

Who is the manufacturer of 203735BLF?

Bourns

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