myMectronic
myMectronic

A Premier B2B Part Search

OptiFuse FMSR250mA Micro Fuse

The FMS-R series is a fast-acting micro fuse with a square thermoplastic body and short radial leads for easy mounting, designed to meet UL and CSA standards. It offers various current ratings ranging from 50mA to 800mA and a voltage rating of 250V. Constructed with a tin-plated copper alloy body and silver alloy element, it ensures reliable overcurrent protection in electronic circuits. Suitable for applications requiring quick interruption during fault conditions, these fuses are ideal for circuit protection in compact, automated, or sensitive electronic devices, providing dependable safety and performance.

Authorized Distributors
Part No:FMS-R-250MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.288
Buy/RFQ:
Part No:FMS-R-250MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.288
Buy/RFQ:

OptiFuse FMSR250MA Micro Fuse Specifications:

  • Body Material: Thermoplastic UL94VO
  • Element Material: Silver Alloy
  • Voltage Rating: 250V
  • Current Ratings: 50mA to 800mA
  • Interrupt Rating: 50A at 250 VAC
  • Lead Type: Short radial leads
  • Mounting: Easy to mount with radial leads
  • Dimensions (approximate): 0.33 x 0.17 inches (8.5 x 4.3 mm)
  • Operating Conditions: Operating beyond maximum ratings may cause damage or arcing
  • Construction: Square body design for space-efficient mounting
  • Temperature Range: Suitable for standard circuit conditions
  • Compliance: UL, CSA standards

Buy the Optifuse Series FMS Micro Fuse: FMSR250mA

Order the Optifuse FMSR250mA micro fuse online now for dependable overcurrent protection. Designed with a square thermoplastic body and short radial leads, it ensures easy installation and compliance with UL and CSA standards. Ideal for circuit safety, the fuse features a current rating of 250mA with a voltage rating of 250V, providing quick response to fault conditions. Enhance your electronic device durability and safety by purchasing this high-quality fuse directly from our online store today.

Get Optifuse FMSR250mA today—built for precision and reliable circuit protection in compact electronic designs.

Frequently Asked Questions

Where can I buy OptiFuse FMSR250MA?

You can click on the BUY or RFQ button to purchase FMSR250MA from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FMSR250MA?

You can download the FMSR250MA datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FMSR250MA?

OptiFuse

OptiFuse Part List

Browse and search other OptiFuse parts, locate datasheets and stock

Sponsored by