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OptiFuse FSF1A Fast Acting Glass Fuse

A compact 3.6 x 10 mm glass body fuse designed for fast-acting overcurrent protection, compliant with North American standards. Suitable for circuit protection in electronic devices and appliances, this fuse offers reliable performance. Rated at 1A with an interrupting rating of 50A at 250V AC, it features durable ceramic and nickel brass caps with a ceramic body for heat resistance. The fuse operates efficiently between -55°C to 125°C and is an essential component for circuit safety and overload protection in various industrial and electronic applications.

Authorized Distributors
Source:DigiKey
Part No:FSF-1A
Stock:1715
Inv Date:06-05-2026
Price: Unit price: $1.05
Buy/RFQ:
Part No:FSF-1A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.05
Buy/RFQ:
Part No:FSF-1A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.6346
Buy/RFQ:
Part No:FSF-1A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.6346
Buy/RFQ:

OptiFuse FSF1A Fast Acting Glass Fuse Specifications:

  • Fuse Type: Glass tube, fast acting
  • Dimensions: 3.6 x 10 mm
  • Rated Current: 1A
  • Interrupting Ratings: 50A at 250V AC
  • Material: Ceramic body, nickel brass caps
  • Operating Temperatures: -55°C to 125°C
  • Compliance: North American standards
  • Features: Overcurrent protection, reliable and durable
  • Connection type: Axial lead, cartridge style
  • Temperature Rating: -55°C to 125°C

Buy the Optifuse Series FSF Fuses: FSF1A

Buy the Optifuse FSF1A fast-acting glass fuse online today for reliable circuit protection. Its compact 3.6 x 10 mm ceramic body and nickel brass caps ensure durability and safety in electronic and electrical devices. Rated at 1A with a 50A interrupting capacity at 250V AC, this fuse operates efficiently across a wide temperature range from -55°C to 125°C. Perfect for applications requiring quick response to overloads, it guarantees protection and performance in various industrial and household electronics.

Get Optifuse FSF1A today—built for precision and long-lasting durability.

Frequently Asked Questions

Where can I buy OptiFuse FSF1A?

You can click on the BUY or RFQ button to purchase FSF1A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSF1A?

You can download the FSF1A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSF1A?

OptiFuse

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