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Bourns 203509B5LF Miniature 2-Pole Gas Discharge Tube

The Bourns 2035-09-B5LF is a miniature 2-pole gas discharge tube (GDT) specifically engineered for robust surge protection in a wide range of electronic devices. Its compact size (4mm diameter, 5mm long) makes it suitable for space-constrained applications. The device provides a 90V DC sparkover voltage and is designed to handle high surge currents, making it ideal for protecting sensitive circuitry in telecommunications equipment, industrial electronics, commercial electronics, automotive systems, aircraft, and military applications. It is RoHS compliant, ensuring adherence to environmental regulations. The 2035-09-B5LF offers stable breakdown characteristics throughout its lifespan, contributing to reliable and long-term performance. Available in bulk, reel pack (T1), and lead configurations (A and B).

Authorized Distributors
Source:DigiKey
Part No:2035-09-B5LF
Stock:27
Inv Date:05-28-2026
Price: Unit price: $1.26
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Part No:2035-09-B5LF
Stock:852
Inv Date:05-29-2026
Price: Unit price: $1.05
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Part No:2035-09-B5LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.87
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Part No:2035-09-B5LF
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.6758
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Part No:2035-09-B5LF
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.6758
Buy/RFQ:
Part No:2035-09-B5LF
Stock:1000
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns 203509B5LF Miniature 2-Pole Gas Discharge Tube Specifications:

  • DC Sparkover ±15 %: 90 V
  • Impulse Sparkover (1) 100 V/μs: 300 V
  • Impulse Sparkover (1) 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 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 Recognized: UL File E153537
  • Sparkover limits after life: ±20 %
  • Model number marking: xxxV

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Frequently Asked Questions

Where can I buy Bourns 203509B5LF?

You can click on the BUY or RFQ button to purchase 203509B5LF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 203509B5LF?

You can download the 203509B5LF datasheet or visit the Bourns website for support.

Who is the manufacturer of 203509B5LF?

Bourns

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