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OptiFuse FMR5A Micro Fuse

This fast-acting micro fuse features a round thermoplastic body and long radial leads, making it ideal for through-hole mounting in various electronic circuits. Designed to meet UL/CSA standards, it provides reliable overcurrent protection with a rated current of 5A at 250V. Constructed with a copper alloy pin, silver alloy element, and UL94V0 flame retardant material, it ensures durability and safety in industrial and consumer electronics. Its compact design makes it suitable for applications requiring quick response to overcurrent conditions, safeguarding sensitive components effectively.

Authorized Distributors
Source:DigiKey
Part No:FMR-5A
Stock:562
Inv Date:06-05-2026
Price: Unit price: $1.6
Buy/RFQ:
Part No:FMR-5A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.39
Buy/RFQ:
Part No:FMR-5A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.9673
Buy/RFQ:
Part No:FMR-5A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.9673
Buy/RFQ:

OptiFuse FMR5A Micro Fuse Specifications:

  • Body Material: Thermoplastic UL94V0
  • Lead Type: Long radial leads for through-hole mounting
  • Rated Current: 5A
  • Voltage Rating: 250V
  • Element Material: Silver Alloy
  • Pin Material: Copper Alloy, Tin plated
  • Interrupt Ratings: 50A @ 250 VAC
  • Dimensions: Approximately 0.33 inches (8.5 mm) in diameter with long leads
  • International Standards: UL/CSA compliance
  • Application: Designed for overcurrent protection in electronic circuits
  • Operating Conditions: Suitable for occasional overcurrent, avoid repeated or prolonged trips

Buy the Optifuse FMR5A – Reliable Micro Fuse for Industrial Applications

Get the Optifuse FMR5A micro fuse online today to safeguard your electronic devices. This high-quality, fast-acting fuse features long radial leads, rated at 5A and 250V, perfect for through-hole mounting. Its durable thermoplastic body and silver alloy element provide quick response to overcurrent conditions, protecting your circuits from damage. Designed to meet UL/CSA standards, this reliable fuse is ideal for industrial, consumer, and professional electronics. Shop now for fast delivery and ensure your projects are protected with quality components.

Order your Optifuse series FMR5A micro fuse today and ensure dependable overcurrent protection for your electronic projects and manufacturing needs.

Frequently Asked Questions

Where can I buy OptiFuse FMR5A?

You can click on the BUY or RFQ button to purchase FMR5A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FMR5A?

You can download the FMR5A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FMR5A?

OptiFuse

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