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OptiFuse FMR500mA Micro Fuse

This fast-acting micro fuse features a round thermoplastic body with long radial leads, designed for quick circuit protection. It complies with UL/CSA standards, rated at 500mA current and 250V voltage rating. Constructed with copper alloy pins, silver alloy element, and UL94V0 thermoplastic, it ensures reliable performance in various electrical applications. Its compact size and easy mounting make it ideal for circuit protection in consumer electronics, industrial control systems, and automotive devices, providing safe and efficient overcurrent protection.

Authorized Distributors
Source:DigiKey
Part No:FMR-500MA
Stock:57
Inv Date:06-05-2026
Price: Unit price: $1.79
Buy/RFQ:
Part No:FMR-500mA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $2.06
Buy/RFQ:
Part No:FMR-500MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.0808
Buy/RFQ:
Part No:FMR-500MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.0808
Buy/RFQ:

OptiFuse FMR500MA Micro Fuse Specifications:

  • Body Material: Thermoplastic UL94V0
  • Pin Material: Copper Alloy, Tin plated
  • Element Material: Silver Alloy
  • Voltage Rating: 250V
  • Rated Current: 500mA
  • Interrupt Ratings: 50A @ 250 VAC
  • Electrical Characteristics: Rated current 1.0In, 2.0In, 10 sec max carry current
  • Mechanical Dimensions: Diameter: 0.33 inches (8.5 mm), Length: 0.71 inches (18 mm), Mounting holes: 0.02 inches (5.08 mm)
  • Application: Overcurrent circuit protection in consumer, industrial, automotive devices
  • Operation: Designed to meet UL/CSA specifications, with warning against operation beyond maximum ratings and contact with chemicals

Buy the Optifuse FMR500mA – Reliable Micro Fuse for Industrial Applications

Purchase the high-quality micro fuse online to ensure reliable electrical circuit protection. Perfect for electronics and industrial systems, this 500mA fuse features long radial leads for easy installation, UL/CSA standards compliance, and a compact thermoplastic body. Designed to handle overcurrent situations safely, it provides peace of mind and efficient protection. Shop now to secure your electronic devices with trusted micro fuses that guarantee safety and performance, all available with quick, convenient online purchasing options.

Get Optifuse FMR500mA today—built for precision and long-lasting durability in circuit protection.

Frequently Asked Questions

Where can I buy OptiFuse FMR500MA?

You can click on the BUY or RFQ button to purchase FMR500MA from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FMR500MA?

You can download the FMR500MA datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FMR500MA?

OptiFuse

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