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Bourns 205109SMRPLF 2051 Series Surge Protector

The Bourns 2051 Series Gas Discharge Tube Surge Protector is a compact, surface mount device designed to provide robust surge protection for sensitive electronic circuits. Ideal for applications like MDC/PCI modems and datacom equipment, the 2051 Series offers a typical capacitance of 0.6 pF and dimensions of 2.7 x 3.2 x 4.5 mm. It boasts high insulation resistance, performance stability, and RoHS compliance, ensuring reliable operation and environmental responsibility. The device is available in various voltage ratings to suit different application requirements, and its robust design can withstand significant surge events, protecting valuable electronic components from damage.

Authorized Distributors
Source:Newark
Part No:2051-09-SM-RPLF
Stock:792
Inv Date:05-28-2026
Price: Unit price: $0.731
Buy/RFQ:
Source:DigiKey
Part No:2051-09-SM-RPLF
Stock:75750
Inv Date:05-28-2026
Price: Unit price: $0.87
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Part No:2051-09-SM-RPLF
Stock:11190
Inv Date:05-29-2026
Price: Unit price: $0.73
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Part No:2051-09-SM-RPLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.43
Buy/RFQ:
Part No:2051-09-SM-RPLF
Stock:3482
Inv Date:05-28-2026
Price: Unit price: $0.3303
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Part No:2051-09-SM-RPLF
Stock:3482
Inv Date:05-28-2026
Price: Unit price: $0.3303
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Source:Arrow EU
Part No:2051-09-SM-RPLF
Stock:17500
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:2051-09-SM-RPLF
Stock:2500
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns 205109SMRPLF 2051 Series Surge Protector Specifications:

  • DC Sparkover Voltage: 90 V ±30 %
  • Impulse Sparkover Voltage: <500 V @ 100V/μs, <600 V @ 1000V/μs
  • Insulation Resistance: > 1GΩ
  • Glow Voltage: ~ 70 V
  • Arc Voltage: ~ 10 V
  • Glow-Arc Transition Current: < 1 A
  • Capacitance: < 1 pF @ 1 MHz
  • Impulse Discharge Current: 2000 A @ 8/20 µs (10 operations), 100 A @ 8/20 µs (300 operations), 10 A @ 10/1000 µs (100 operations)
  • Alternating Discharge Current: 2 A @ 50 Hz, 1 sec (10 operations)
  • Operating & Storage Temperature: -40 to +125 °C
  • Climatic Category: 40 / 90 / 21
  • UL Recognized: UL File E153537
  • AQL: 0.65 Level II, DIN ISO 2859
  • Dimensions: 2.7 x 3.2 x 4.5 mm
  • Packaging: Reelpack (-RP), 2500 pieces per reel, 330 mm diameter

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Frequently Asked Questions

Where can I buy Bourns 205109SMRPLF?

You can click on the BUY or RFQ button to purchase 205109SMRPLF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 205109SMRPLF?

You can download the 205109SMRPLF datasheet or visit the Bourns website for support.

Who is the manufacturer of 205109SMRPLF?

Bourns

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