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Littelfuse RXEF017 Surface Mount PolySwitch

The RXEF017 is a low-resistance, surface-mount PolySwitch resettable device designed for electronic overcurrent protection applications. It features a hold current of 0.17A at 25°C, with a maximum voltage rating of 72V, and can withstand up to 10 seconds of continuous overload at 260°C. Its flame-retardant epoxy polymer insulation ensures durability, with environmental resistance including resistance to passive aging, humidity, and thermal shock. Suitable for use in consumer electronics, USB ports, and circuit protection, it complies with RoHS and ELV standards, offering reliable performance in compact package sizes.

Authorized Distributors
Source:Newark
Part No:RXEF017
Stock:602
Inv Date:05-28-2026
Price: Unit price: $0.443
Buy/RFQ:
Source:DigiKey
Part No:RXEF017
Stock:21253
Inv Date:05-28-2026
Price: Unit price: $0.47
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Source:DigiKey
Part No:RXEF017
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.6926
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Part No:RXEF017
Stock:17243
Inv Date:05-29-2026
Price: Unit price: $0.39
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Part No:RXEF017
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.19
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Part No:RXEF017
Stock:5469
Inv Date:05-28-2026
Price: Unit price: $0.5758
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Part No:RXEF017
Stock:12002
Inv Date:05-28-2026
Price: Unit price: $0.235
Buy/RFQ:
Source:Arrow EU
Part No:RXEF017
Stock:22000
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:RXEF017
Stock:52
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse RXEF017 Surface Mount PolySwitch Specifications:

  • Hold Current: 0.17A at 25°C
  • Voltage Rating: 72V
  • Maximum Trip Time: 10 seconds at 260°C
  • Operation Temperature: -40°C to 125°C
  • Solderability: Meets ANSI/J-STD-002 Category 3
  • Insulating Material: Flame-retardant epoxy polymer, UL 94V-0
  • Solder Heat Withstand: 10 seconds at 260°C
  • Resistance Change after Environmental Tests: <5%
  • Physical Size: Length approximately 12.7 mm, Width approximately 4.6 mm
  • RoHS and ELV compliant

Buy the Buy TE Electronics PolySwitch Part Number RXEF017 Online

Purchase the TE PolySwitch RXEF017 surface-mount resettable fuse online today to protect your electronics from overcurrent conditions. This device offers a low resistance and reliable trip characteristics with a maximum voltage of 72V and a trip time of 10 seconds at 260°C. Its flame-retardant epoxy insulation ensures durability across a wide temperature range of -40°C to 125°C. Perfect for consumer, USB, and industrial applications, it complies with RoHS and ELV standards. Secure your supply chain by ordering this compact, high-quality resettable fuse directly from authorized distributors now.

Order your TE Series RXEF017 low-resistance circuit protection device today and ensure reliable overcurrent protection in your electronic projects.

Frequently Asked Questions

Where can I buy Littelfuse RXEF017?

You can click on the BUY or RFQ button to purchase RXEF017 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part RXEF017?

You can download the RXEF017 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of RXEF017?

Littelfuse

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