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Bourns 205709BLF Light Duty 2-Electrode Miniature Gas Discharge Tube

The Bourns 2057 series offers light-duty, 2-electrode miniature gas discharge tubes designed for a variety of applications including telecommunications equipment, industrial electronics, and consumer devices. These tubes provide overvoltage protection in compact designs, offering low capacitance and leakage characteristics. They are RoHS compliant and available in various voltage ratings to suit different circuit protection needs. The 2057-09-BLF model specifically offers a DC sparkover voltage of 90V, making it suitable for protecting sensitive components from transient voltage surges.

Authorized Distributors
Source:DigiKey
Part No:2057-09-BLF
Stock:721
Inv Date:05-28-2026
Price: Unit price: $0.82
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Part No:2057-09-BLF
Stock:558
Inv Date:05-29-2026
Price: Unit price: $0.68
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Part No:2057-09-BLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.83
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Part No:2057-09-BLF
Stock:825
Inv Date:05-28-2026
Price: Unit price: $0.3507
Buy/RFQ:
Part No:2057-09-BLF
Stock:825
Inv Date:05-28-2026
Price: Unit price: $0.3507
Buy/RFQ:

Bourns 205709BLF Light Duty 2-Electrode Miniature Gas Discharge Tube Specifications:

  • DC Sparkover Voltage: 90 V
  • Impulse Sparkover: < 800 V
  • Insulation Resistance: > 1 GΩ
  • Glow Voltage: ~ 70 V
  • Maximum Capacitance: < 1 pF
  • Maximum Impulse Discharge Current: 10,000 A
  • Nominal Alternating Discharge Current: 5 A
  • Impulse Life: 300 operations
  • DC Holdover Voltage: < 150 ms
  • Operating Temperature: -40 to +90 ºC
  • Storage Temperature: -40 to +90 °C
  • Diameter: 5.5 mm
  • Length: 6 mm
  • UL Recognized: Yes
  • Packaging: Bulk (100 pcs/tray, 5 trays/box), Reelpack (-BT1) (500 pcs/reel, 2 reels/box)

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Frequently Asked Questions

Where can I buy Bourns 205709BLF?

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

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

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

Who is the manufacturer of 205709BLF?

Bourns

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