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Littelfuse RXEF020 PolySwitch Circuit Protector

The RXEF020 is a radial leaded PolySwitch resettable circuit protection device designed to balance voltage and hold a current of up to 50mA. It features a voltage rating of up to 72V and is suitable for high-volume electronics assembly, helping to meet regulatory requirements. This device offers fast trip times, low resistance, a hold current of 200mA, and a trip current of 400mA. Constructed from tin-plated copper-clad steel, it complies with UL94V-0 flammability standards. Applications include industrial, medical, test and measurement, audio, lighting, communications and networking, security, and consumer electronics.

Authorized Distributors
Source:Newark
Part No:RXEF020
Stock:908
Inv Date:05-28-2026
Price: Unit price: $0.443
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Source:Newark
Part No:RXEF020
Stock:1918
Inv Date:05-28-2026
Price: Unit price: $0.257
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Source:DigiKey
Part No:RXEF020
Stock:32458
Inv Date:05-28-2026
Price: Unit price: $0.47
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Source:DigiKey
Part No:RXEF020
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.1378
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Part No:RXEF020
Stock:19080
Inv Date:05-29-2026
Price: Unit price: $0.4
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Part No:RXEF020
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.23
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Part No:RXEF020
Stock:3428
Inv Date:05-28-2026
Price: Unit price: $1.29
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Part No:RXEF020
Stock:50252
Inv Date:05-28-2026
Price: Unit price: $0.245
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Source:Arrow EU
Part No:RXEF020
Stock:54000
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Authorized Distributors
Part No:RXEF020
Stock:602
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse RXEF020 PolySwitch Circuit Protector Specifications:

  • Voltage Rating: Up to 72V
  • Hold Current: 200mA
  • Trip Current: 400mA
  • Resistance: Low resistance
  • Wire Material: Tin-plated copper-clad steel
  • Construction: Radial leaded
  • Compliance: UL94V-0 flammability standard
  • Application: Electronics protection, industrial, medical, communications, security
  • Features: Fast time-to-trip, high-volume suitable, regulatory compliant

Buy the Littelfuse Series PolySwitch: Circuit Protection Device 72V 50mA: RXEF020

Secure your electronic systems with Littelfuse PolySwitch circuit protection device, suitable for high-volume manufacturing, industrial, medical, and consumer electronics. The RXEF020, rated up to 72V and with a hold current of 50mA, provides fast, reliable overcurrent protection with low resistance. Its radial leaded design from tin-plated copper-steel ensures durability and UL94V-0 compliance. Perfect for applications requiring regulatory compliance, high reliability, and quick trip times, making it an essential component for safety and performance in sensitive electronic circuits.

Buy Littelfuse RXEF020 now and experience unmatched reliability and performance in circuit protection for your electronic devices.

Frequently Asked Questions

Where can I buy Littelfuse RXEF020?

You can click on the BUY or RFQ button to purchase RXEF020 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part RXEF020?

You can download the RXEF020 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of RXEF020?

Littelfuse

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