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Bourns 203609B3LF Miniature 3-Pole Gas Discharge Tube

The Bourns 2036-09-B3LF is a miniature 3-pole gas discharge tube designed for transient voltage suppression in a variety of applications. Its balanced Mini-TRIGARD™ construction provides reliable protection, while its compact size (5mm diameter, 7.5mm long) makes it suitable for space-constrained designs. Available in RoHS compliant versions, this GDT is ideal for use in telecommunications, industrial electronics, commercial electronics, consumer electronics, and automotive applications. An optional switch-grade fail-short device is available to provide a high conductive path to ground in case of thermal overload.

Authorized Distributors
Source:DigiKey
Part No:2036-09-B3LF
Stock:2806
Inv Date:05-28-2026
Price: Unit price: $2.44
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Part No:2036-09-B3LF
Stock:288
Inv Date:05-29-2026
Price: Unit price: $2.03
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Part No:2036-09-B3LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.03
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Part No:2036-09-B3LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.222
Buy/RFQ:
Part No:2036-09-B3LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.222
Buy/RFQ:

Bourns 203609B3LF Miniature 3-Pole Gas Discharge Tube Specifications:

  • DC Sparkover Voltage: 90 V
  • Impulse Sparkover Voltage: 250 V @ 100 V/µs, 550 V @ 1000 V/µs
  • Insulation Resistance: > 10[10] Ω
  • Glow Voltage: ~ 70 V
  • Arc Voltage: ~ 10 V
  • Capacitance: < 2 pF @ 1 MHz
  • DC Holdover Voltage: < 150 ms
  • Impulse Discharge Current: 20000 A @ 8/20 µs (minimum 1 operation), 10000 A @ 8/20 µs (> 10 operations)
  • Alternating Discharge Current: 20 Arms @ 1 s (minimum 1 operation)
  • Storage Temperature: -55 to +105 °C
  • Operating Temperature: -55 to +105 °C
  • Moisture Sensitivity Level: 1
  • ESD Classification (HBM): 6
  • UL Recognition: UL File E153537

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Frequently Asked Questions

Where can I buy Bourns 203609B3LF?

You can click on the BUY or RFQ button to purchase 203609B3LF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 203609B3LF?

You can download the 203609B3LF datasheet or visit the Bourns website for support.

Who is the manufacturer of 203609B3LF?

Bourns

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