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Bourns 204709ALF High Current Gas Discharge Tube

The Bourns 2047 series high-current 2-electrode gas discharge tubes (GDTs) provide robust surge protection for sensitive electronic circuits. These tubes are ideal for applications in telecommunications equipment, industrial electronics, and other environments requiring reliable overvoltage protection. They offer a compact size (12.7mm diameter), long service life, and high surge current handling capabilities. Available in various voltage ratings and with optional contact terminals, the 2047 series is designed to meet diverse application needs. RoHS compliant versions ensure environmental compatibility.

Authorized Distributors
Source:Newark
Part No:2047-09-ALF
Stock:140
Inv Date:05-28-2026
Price: Unit price: $7.09
Buy/RFQ:
Source:DigiKey
Part No:2047-09-ALF
Stock:152
Inv Date:05-28-2026
Price: Unit price: $10.92
Buy/RFQ:
Part No:2047-09-ALF
Stock:0
Inv Date:05-29-2026
Price: Unit price: $10.92
Buy/RFQ:
Part No:2047-09-ALF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $10.67
Buy/RFQ:
Part No:2047-09-ALF
Stock:140
Inv Date:05-28-2026
Price: Unit price: $6.1
Buy/RFQ:
Part No:2047-09-ALF
Stock:140
Inv Date:05-28-2026
Price: Unit price: $6.1
Buy/RFQ:

Bourns 204709ALF High Current Gas Discharge Tube Specifications:

  • Diameter: 12.7 mm
  • Length: 12.7 mm
  • DC Sparkover Voltage: 90 V
  • Impulse Sparkover Voltage: 350 / 450 V
  • Insulation Resistance: > 10[9] Ω
  • Glow Voltage: ~ 80 V
  • Capacitance: < 5 pF
  • Impulse Discharge Current: 50,000 A
  • Operating Temperature: -40 to +90 ºC
  • Climatic Category: 40/90/21
  • Voltage (Divided by 10): 09 = 90 V
  • Plating Option: Tin/Lead Plating (Standard)
  • RoHS Compliant Plating: Sn Plating
  • Nickel Plating: RoHS Compliant Product - Nickel Plating

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Frequently Asked Questions

Where can I buy Bourns 204709ALF?

You can click on the BUY or RFQ button to purchase 204709ALF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 204709ALF?

You can download the 204709ALF datasheet or visit the Bourns website for support.

Who is the manufacturer of 204709ALF?

Bourns

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