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OptiFuse FMSR500mA Micro Fuse

The FMS-R series is a fast-acting micro fuse with a square thermoplastic body and short radial leads, designed for reliable overcurrent protection in North American applications. It features a copper alloy body, silver alloy element, and UL94VO flammability rating. With ratings from 50mA to 800mA, it offers quick response to transient overloads, making it ideal for circuit protection in electronics and appliances. The fuse is UL/CSA listed, rated for 250V, and suitable for applications requiring precise overcurrent safeguard with easy mounting. Designed to meet industry standards for safety and durability.

Authorized Distributors
Part No:FMS-R-500MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.6423
Buy/RFQ:
Part No:FMS-R-500MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.6423
Buy/RFQ:

OptiFuse FMSR500MA Micro Fuse Specifications:

  • Body Material: Thermoplastic UL94VO
  • Element Material: Silver Alloy
  • Rating: 50mA to 800mA
  • Voltage: 250V AC
  • Interrupt Ratings: 50A @ 250 VAC
  • Mounting: Radial leads for easy installation
  • Physical Dimensions: varies by model, typical length 0.33 inches (8.5 mm), width 0.17 inches (4.3 mm)
  • Number of Leads: Short radial
  • Flammability: UL94VO
  • Material: Copper alloy, tin plated
  • Designed for North American standard applications
  • Explosion-proof when operated within rated parameters
  • Construction: Square body design for efficient heat dissipation

Buy the Optifuse Series FMS R Micro Fuse: FMSR500mA

Purchase the Optifuse FMSR500mA micro fuse online today for reliable overcurrent protection. This fast-acting fuse features a square thermoplastic body, short radial leads for easy mounting, and a 500mA current rating. Rated for 250V and meeting UL/CSA standards, it offers quick response to transient overloads, ensuring safety and durability in electronic and electrical circuits. Ideal for North American applications, it guarantees dependable circuit protection, ensuring your equipment operates safely and efficiently with a compact design for easy installation.

Get Optifuse FMSR500mA today—built for precise overcurrent protection and long-lasting durability.

Frequently Asked Questions

Where can I buy OptiFuse FMSR500MA?

You can click on the BUY or RFQ button to purchase FMSR500MA from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FMSR500MA?

You can download the FMSR500MA datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FMSR500MA?

OptiFuse

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