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OptiFuse FMR63A Micro Fuse

The FMR63A fast-acting micro fuse features a round thermoplastic body with long radial leads, designed to meet North American standards. It offers reliable circuit protection with a 6.3A rated current and voltage of 250VAC, making it suitable for various electronic and electrical applications. The fuse has a copper alloy, tin-plated pin contact and is built with a silver alloy element for consistent performance. Its compact size and high interrupt rating of 50A at 250VAC ensure safe operation in protective circuits.

Authorized Distributors
Part No:FMR-6.3A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.39
Buy/RFQ:
Part No:FMR-6.3A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.575
Buy/RFQ:
Part No:FMR-6.3A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.575
Buy/RFQ:

OptiFuse FMR63A Micro Fuse Specifications:

  • Body Material: Thermoplastic UL94V0
  • Lead Material: Copper Alloy, Tin plated
  • Element Material: Silver Alloy
  • Rated Voltage: 250VAC
  • Rated Current: 6.3A
  • Interrupt Rating: 50A at 250VAC
  • Dimensions: Diameter approximately 8.5 mm, length approximately 20 mm
  • Mounting: Radial leads
  • Operational Notes: Suitable for occasional overcurrent protection, avoid operation beyond maximum ratings, and do not expose to chemicals.
  • Certification: Meets North American standards
  • Application: Circuit protection in electronic devices and electrical systems

Buy the Optifuse Series FMR Micro Fuse: FMR63A

Enhance your electronic circuitry with the Optifuse FMR63A micro fuse. Designed for reliable and safe circuit protection in a compact round body with long radial leads, it offers a rated current of 6.3A at 250VAC, suitable for various appliances and electronic devices. Its high interrupt rating ensures safety in overcurrent scenarios. Easy to install and compliant with North American standards, this fuse guarantees dependable performance for both casual and professional applications. Purchase online now for swift delivery and maximum protection.

Get Optifuse FMR63A micro fuse today—built for reliable circuit protection with long-lasting durability and quick response to overcurrent conditions.

Frequently Asked Questions

Where can I buy OptiFuse FMR63A?

You can click on the BUY or RFQ button to purchase FMR63A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FMR63A?

You can download the FMR63A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FMR63A?

OptiFuse

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