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OptiFuse FSA25A Electronic Fuse

These fast-acting glass tube fuses are designed to protect electronic circuits from overcurrent conditions. With a compact ¼ x 1¼ inch size, they feature a glass body and nickel-plated brass contacts for durability. Rated at 2.5A and capable of handling voltage up to 250V AC, these fuses provide reliable circuit protection in various electronic and electrical applications. They meet UL and CSA standards and are available in bulk packaging, making them suitable for maintenance, repair, and manufacturing environments.

Authorized Distributors
Source:DigiKey
Part No:FSA-2.5A
Stock:2965
Inv Date:06-05-2026
Price: Unit price: $0.97
Buy/RFQ:
Source:DigiKey
Part No:FSA-25A
Stock:370
Inv Date:06-05-2026
Price: Unit price: $1.18
Buy/RFQ:
Part No:FSA-2.5A
Stock:80
Inv Date:06-05-2026
Price: Unit price: $0.19
Buy/RFQ:
Part No:FSA-25A
Stock:100
Inv Date:06-05-2026
Price: Unit price: $0.23
Buy/RFQ:
Part No:FSA-2.5A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5846
Buy/RFQ:
Part No:FSA-25A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.7115
Buy/RFQ:
Part No:FSA-2.5A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5846
Buy/RFQ:
Part No:FSA-25A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.7115
Buy/RFQ:

OptiFuse FSA25A Electronic Fuse Specifications:

  • Size: ¼ x 1¼ inch (3AG)
  • Body Material: Glass
  • Contact Material: Nickel-plated brass
  • Lead Wire: Tin-plated copper
  • Rated Current: 2.5A
  • Voltage Rating: 250V AC
  • Certifications: UL Listed, CSA Certified
  • Operating Temperature: -55°C to +125°C
  • Interrupt Ratings: 35A at 250V AC, 12A at 250V AC, 100A at 250V AC, 300A at 32V AC
  • Material: Glass body, nickel-plated brass contacts, tin-plated copper leads
  • Packaging: Bulk in boxes of 250 pieces

Buy the Buy Optifuse FSA25A Part Number FSA25A Online

Purchase the Optifuse FSA25A fast-acting glass fuse online for secure circuit protection in electronic devices. Engineered with a durable glass body and nickel-plated brass contacts, it offers reliable overload protection up to 250V AC at 2.5A rated current. Ideal for repair, manufacturing, and maintenance, this UL-listed fuse ensures safety and compliance in diverse electrical setups. Available in bulk packaging, it provides cost-effective supply for industrial, commercial, or hobbyist applications—delivering dependable performance with quick response during overcurrent events.

Get Optifuse FSA25A today—built for reliable circuit protection with fast-acting glass tube design and UL-certified safety.

Frequently Asked Questions

Where can I buy OptiFuse FSA25A?

You can click on the BUY or RFQ button to purchase FSA25A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSA25A?

You can download the FSA25A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSA25A?

OptiFuse

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