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Bourns 203509BT1LF Miniature 2-Pole Gas Discharge Tube

The Bourns 2035-09-BT1LF is a miniature 2-pole gas discharge tube (GDT) offering robust surge protection in a compact form factor. Designed for a wide range of applications including telecommunications, industrial electronics, commercial electronics, and even aircraft and military electronics, this GDT provides reliable protection against voltage surges. It boasts a 5mm diameter and is available in various voltage ratings to suit specific circuit requirements. The 2035-09-BT1LF is RoHS compliant and features a high surge current rating, ensuring effective protection while maintaining stability throughout its operational life. Standard packaging includes bulk, tray box, reel, and BT1 reelpack options.

Authorized Distributors
Source:DigiKey
Part No:2035-09-BT1LF
Stock:997
Inv Date:05-28-2026
Price: Unit price: $1.26
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Part No:2035-09-BT1LF
Stock:3582
Inv Date:05-29-2026
Price: Unit price: $1.05
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Part No:2035-09-BT1LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.05
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Part No:2035-09-BT1LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.5239
Buy/RFQ:
Part No:2035-09-BT1LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.5239
Buy/RFQ:

Bourns 203509BT1LF Miniature 2-Pole Gas Discharge Tube Specifications:

  • DC Sparkover Voltage: 90 V
  • Impulse Sparkover Voltage (100 V/μs): 300 V
  • Impulse Sparkover Voltage (1000 V/μs): 550 V
  • Insulation Resistance (IR): >10^10 Ω
  • Glow Voltage: ~70 V
  • Arc Voltage: ~10 V
  • Glow-Arc Transition Current: <0.5 A
  • Capacitance (1 MHz): <1 pF
  • DC Holdover Voltage: <150 ms
  • Impulse Discharge Current (8/20 μs): 10000 A
  • Alternating Discharge Current: 20 Arms
  • Operating Temperature: -55 to +85 °C
  • Climatic Category: 40/90/21
  • UL Recognition: UL File E153537
  • Standard Packaging Quantities: {'Bulk': '250', 'Tray Box': '1000', 'Reel': '1000', 'BT1 Reelpack': '1000'}

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Frequently Asked Questions

Where can I buy Bourns 203509BT1LF?

You can click on the BUY or RFQ button to purchase 203509BT1LF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 203509BT1LF?

You can download the 203509BT1LF datasheet or visit the Bourns website for support.

Who is the manufacturer of 203509BT1LF?

Bourns

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