myMectronic
myMectronic

A Premier B2B Part Search

Littelfuse 250R180F resettable Polyfuse device

The 250R180F is a resettable Polyfuse designed for telecom and networking applications, offering protection against short-duration high voltage faults like power surges. It features RoHS compliance, a lead-free construction, and an operating voltage of 600VAC. The device has a hold current of 0.18A, a trip current of 0.24A, and a maximum resistance of 0.29 ohms. Suitable for protecting equipment such as network interfaces, DSL modems, and POTS/ISDN line cards, it provides reliable overcurrent protection with fast trip response and high surge withstand capability.

Authorized Distributors
Source:DigiKey
Part No:250R180F
Stock:350
Inv Date:05-28-2026
Price: Unit price: $0.94
Buy/RFQ:
Part No:250R180F
Stock:615
Inv Date:05-29-2026
Price: Unit price: $0.78
Buy/RFQ:
Part No:250R180F
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1
Buy/RFQ:
Part No:250R180F
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.5
Buy/RFQ:

Littelfuse 250R180F resettable Polyfuse device Specifications:

  • Resistance Range: 0.08 – 0.18 ohms
  • Hold Current: 0.18A
  • Trip Current: 0.24A
  • Maximum Voltage Without Damage: 600VAC
  • Operating Temperature: -40°C to +85°C
  • Maximum Surface Temperature in Tipped State: 125°C
  • Soldering: Wave and reflow parameters within specified profiles
  • Environmental Resistance: MIL-STD-202F, humidity aging, thermal shock
  • Insulation Material: Flame-retardant epoxy polymer
  • Marking: ‘LF’, voltage, current rating, date code
  • Lead Material: Tin-plated copper

Buy the Polyfuse 250R180F – Reliable Resettable Surge Protector for Industrial Applications

Secure your telecom and networking systems by purchasing the Polyfuse 250R180F online. This reliable resettable PTC device offers high surge withstand, fast trip response, RoHS compliance, and long-term durability. Perfect for protecting network interfaces, modems, POTS/ISDN line cards, and other equipment against power faults and surges. Easy to install with proven performance, ensuring your systems remain operational and safe under various fault conditions. Order now and enjoy dependable, industrial-grade surge protection.

Buy Polyfuse 250R180F now and experience unmatched reliability and surge protection for telecom and networking equipment.

Frequently Asked Questions

Where can I buy Littelfuse 250R180F?

You can click on the BUY or RFQ button to purchase 250R180F from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 250R180F?

You can download the 250R180F datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 250R180F?

Littelfuse

Littelfuse Part List

Browse and search other Littelfuse parts, locate datasheets and stock

Sponsored by