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Bourns 205120SMRPLF 2051 Series Surge Protector

The Bourns 2051 Series gas discharge tube surge protector is engineered to provide robust protection for sensitive electronic circuits. Its compact design and low capacitance make it suitable for high-speed and high-bandwidth applications, such as MDC/PCI modems and splitters. The 2051 Series offers performance stability over its lifespan, high insulation resistance, and is UL Recognized. It is designed to meet board-level protection requirements with reduced space, making it a versatile solution for various industrial and consumer electronics applications.

Authorized Distributors
Source:DigiKey
Part No:2051-20-SM-RPLF
Stock:15000
Inv Date:05-28-2026
Price: Unit price: $0.34936
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Part No:2051-20-SM-RPLF
Stock:3372
Inv Date:05-29-2026
Price: Unit price: $0.73
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Part No:2051-20-SM-RPLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.46
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Part No:2051-20-SM-RPLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.3744
Buy/RFQ:
Part No:2051-20-SM-RPLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.3744
Buy/RFQ:

Bourns 205120SMRPLF 2051 Series Surge Protector Specifications:

  • DC Sparkover Voltage: 90 V ±30 % (2051-09), 150 V ±30 % (2051-15), 200 V ±25 % (2051-20), 230 V ±25 % (2051-23), 300 V ±25 % (2051-30), 350 V ±25 % (2051-35), 400 V ±25 % (2051-40), 420 V ±25 % (2051-42), 470 V ±25 % (2051-47), 600 V ±25 % (2051-60)
  • Impulse Sparkover Voltage: <500 V (2051-09), <600 V (2051-15), <500 V (2051-20), <650 V (2051-23), <600 V (2051-30), <650 V (2051-35), <750 V (2051-40), <750 V (2051-42), <800 V (2051-47), <950 V (2051-60)
  • Insulation Resistance: > 1G Ω
  • Glow Voltage: ~ 70 V
  • Arc Voltage: ~ 10 V
  • Capacitance: < 0.5 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 Temperature: -40 to +125 °C
  • Climatic Category: 40 / 90 / 21
  • Moisture Sensitivity Level: 1
  • ESD Classification: 6
  • UL Recognition: UL File E153537
  • Packaging: 2500 pieces per reel, 330 mm diameter

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Frequently Asked Questions

Where can I buy Bourns 205120SMRPLF?

You can click on the BUY or RFQ button to purchase 205120SMRPLF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 205120SMRPLF?

You can download the 205120SMRPLF datasheet or visit the Bourns website for support.

Who is the manufacturer of 205120SMRPLF?

Bourns

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