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Bourns 203509ALF Miniature 2-Pole Gas Discharge Tube

The Bourns 2035-09-ALF is a miniature 2-pole gas discharge tube (GDT) designed for overvoltage protection in a variety of applications. It's suitable for telecommunications, industrial, commercial, aircraft, and military electronics. Key features include a 90V DC sparkover voltage, high surge current rating, and RoHS compliance. The 2035 series offers a compact form factor (5mm diameter, 4mm long) making it ideal for space-constrained designs. Users should verify actual device performance in their specific applications.

Authorized Distributors
Source:DigiKey
Part No:2035-09-ALF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.16
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Part No:2035-09-ALF
Stock:700
Inv Date:05-29-2026
Price: Unit price: $1.16
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Part No:2035-09-ALF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.99
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Part No:2035-09-ALF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.55
Buy/RFQ:
Part No:2035-09-ALF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.55
Buy/RFQ:

Bourns 203509ALF 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): >1010 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: 10000 A, 8/20 μs
  • Alternating Discharge Current: 20 Arms, 11 cycles
  • Operating Temperature: -55 to +85 °C
  • Climatic Category: 40/90/21
  • Voltage (Divided by 10): 09 = 90 V
  • Lead Shape: A = None
  • Packaging: Blank = Bulk Packaging
  • RoHS Compliant Option: Blank = Standard Product

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Frequently Asked Questions

Where can I buy Bourns 203509ALF?

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

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

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

Who is the manufacturer of 203509ALF?

Bourns

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