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Bourns 205709BT1LF Gas Discharge Tube

The product is a miniature gas discharge tube designed for surge protection, featuring a compact size of 5.5 mm diameter and 6 mm length. It offers low capacitance (<1 pF), low leakage, and high insulation resistance (>1GΩ at 50/100/250 Vdc). Suitable for telecommunications, industrial electronics, and consumer devices, it complies with RoHS standards and UL recognition. This device reliably protects circuits against voltage surges with a maximum discharge current of 10,000 A, operating in temperatures from -40°C to +90°C, making it ideal for various electrical and electronic surge suppression applications.

Authorized Distributors
Source:Newark
Part No:2057-09-BT1LF
Stock:18
Inv Date:05-28-2026
Price: Unit price: $0.968
Buy/RFQ:
Source:DigiKey
Part No:2057-09-BT1LF
Stock:500
Inv Date:05-28-2026
Price: Unit price: $0.43192
Buy/RFQ:
Part No:2057-09-BT1LF
Stock:89
Inv Date:05-29-2026
Price: Unit price: $0.74
Buy/RFQ:
Part No:2057-09-BT1LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.89
Buy/RFQ:
Part No:2057-09-BT1LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.3797
Buy/RFQ:
Part No:2057-09-BT1LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.3797
Buy/RFQ:

Bourns 205709BT1LF Gas Discharge Tube Specifications:

  • Size: 5.5 mm diameter, 6 mm length
  • Capacitance: <1 pF
  • Insulation Resistance: >1GΩ at 50/100/250 Vdc
  • Glow Voltage: ~70V
  • Arc Voltage: ~10V
  • Maximum Discharge Current: 10,000 A (8/20 ps, one operation)
  • DC Sparkover Voltage: 75-470 V depending on model
  • DC Holdover Voltage: <150 ms
  • Operating Temperature: -40°C to +90°C
  • Storage Temperature: -40°C to +90°C
  • RoHS Compliant, UL Recognized
  • Peak impulse discharge current: 10,000 A
  • Climatic Category: 40/90/21

Buy the Bourns Series Surge Protection Device: 205709BT1LF

Order the Bourns surge protection gas discharge tube 205709BT1LF online today for robust surge suppression. This compact device ensures high discharge capacity up to 10,000 A, low capacitance for minimal signal interference, and RoHS compliance. Ideal for telecom, industrial, and consumer electronics, it offers excellent insulation resistance and operates reliably within temperatures from -40°C to +90°C. Get quick delivery and safeguard your electrical systems with this high-quality miniature gas discharge tube designed for lasting performance.

Buy Bourns 205709BT1LF surge protection tube now and ensure reliable circuit protection with compact design and high surge current capacity.

Frequently Asked Questions

Where can I buy Bourns 205709BT1LF?

You can click on the BUY or RFQ button to purchase 205709BT1LF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 205709BT1LF?

You can download the 205709BT1LF datasheet or visit the Bourns website for support.

Who is the manufacturer of 205709BT1LF?

Bourns

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