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OptiFuse FMS500mA Micro Fuse

This fast-acting micro fuse offers reliable overcurrent protection with a compact, round thermoplastic body that meets North American UL/CSA standards. Equipped with short radial leads, it ensures easy mounting on circuit boards and provides protection for circuits up to 500mA at 250V AC. Made with a copper alloy pin, silver alloy element, and UL94V0 rated material, this fuse is ideal for electronic devices requiring quick response to overcurrent conditions, preventing damage and ensuring safety in various industrial applications.

Authorized Distributors
Source:DigiKey
Part No:FMS-500MA
Stock:1819
Inv Date:06-04-2026
Price: Unit price: $1.79
Buy/RFQ:
Part No:FMS-500mA
Stock:10
Inv Date:06-04-2026
Price: Unit price: $1.83
Buy/RFQ:
Part No:FMS-500MA
Stock:0
Inv Date:06-04-2026
Price: Unit price: $1.0808
Buy/RFQ:
Part No:FMS-500MA
Stock:0
Inv Date:06-04-2026
Price: Unit price: $1.0808
Buy/RFQ:

OptiFuse FMS500MA Micro Fuse Specifications:

  • Body Material: Thermoplastic UL94V0
  • Pin Material: Copper Alloy, Tin plated
  • Element Material: Silver Alloy
  • Rated Current: 500mA
  • Voltage Rating: 250V AC
  • Interrupt Rating: 50A at 250V AC
  • Dimensions: Not specified precisely, typical size conforming to standard cartridge fuse dimensions, suitable for PCB mounting
  • Mounting: Radial leaded, short leads for easy installation
  • Temperature Rating: Not specified, typical for fuse materials
  • Standards: UL and CSA compliant, meeting North American safety standards
  • Operation: Provides quick response to overcurrent conditions, preventing circuit damage

Buy the Optifuse FMS500mA – Reliable Micro Fuse for Industrial Applications

Secure your electronic device protection with the Optifuse FMS500mA micro fuse, designed for quick response to overcurrent conditions. This reliable, UL/CSA-compliant fuse features a round thermoplastic body with short radial leads, making installation straightforward. Ideal for industrial and electronic applications, it safeguards circuits up to 500mA at 250V AC, preventing damage and reducing downtime. Purchase this high-quality fuse online today and ensure your equipment's safety and optimal performance with a trusted, fast-acting component.

Buy Optifuse FMS500mA micro fuse now and ensure quick, reliable overcurrent protection in your electronic circuits with ease and safety.

Frequently Asked Questions

Where can I buy OptiFuse FMS500MA?

You can click on the BUY or RFQ button to purchase FMS500MA from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FMS500MA?

You can download the FMS500MA datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FMS500MA?

OptiFuse

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