myMectronic
myMectronic

A Premier B2B Part Search

OptiFuse FMSR400mA Micro Fuse

A fast-acting micro fuse with a square thermoplastic body made from UL94VO material, featuring short radial leads for easy installation. Designed to meet UL and CSA standards, this fuse provides reliable overcurrent protection with ratings ranging from 50mA to 10A. Its silver alloy element ensures quick response to overcurrent conditions, preventing damage to electronic circuits. Suitable for applications requiring precise current limits, the fuse operates at 250V with interrupt ratings up to 50A. Compact and durable, it is ideal for miniature electronic devices and circuits needing reliable short-term overcurrent protection.

Authorized Distributors
Part No:FMS-R-400MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.6423
Buy/RFQ:
Part No:FMS-R-400MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.6423
Buy/RFQ:

OptiFuse FMSR400MA Micro Fuse Specifications:

  • Body Material: Thermoplastic UL94VO
  • Contact Material: Copper Alloy, Tin plated
  • Element Material: Silver Alloy
  • Voltage Rating: 250V
  • Interrupt Rating: 50A at 250VAC
  • Current Ratings Available: 50mA to 10A
  • Size: Compact design with short radial leads
  • Mechanical Dimensions: Approximately 0.33 inches (8.5 mm) length with mounting holes spaced 0.02 inches (0.5 mm)
  • Lead Length: Short radial leads for easy mounting
  • Operation: Fast-acting, suitable for occasional overcurrent protection

Buy the Buy OptiFuse FMS-R Micro Fuse Part Number 400mA Online

Secure your electronic circuits with the OptiFuse FMS-R 400mA micro fuse, offering reliable fast-acting protection. Designed with short radial leads and UL/CSA compliance, this fuse ensures safety and durability. Perfect for miniature devices and demanding electronic applications, it prevents damage caused by overcurrents and short circuits. Easy to install and highly dependable, this fuse provides quick response to protect sensitive components while maintaining high performance standards. Buy online now to safeguard your electronic systems efficiently and effortlessly.

Order your OptiFuse series FMS-R 400mA fast-acting micro fuse today and ensure reliable overcurrent protection for your electronic projects.

Frequently Asked Questions

Where can I buy OptiFuse FMSR400MA?

You can click on the BUY or RFQ button to purchase FMSR400MA from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FMSR400MA?

You can download the FMSR400MA datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FMSR400MA?

OptiFuse

OptiFuse Part List

Browse and search other OptiFuse parts, locate datasheets and stock

Sponsored by