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OptiFuse FSA12A Fast-Acting Glass Fuse

This is a ¼ x 1¼ inch fast-acting glass tube fuse suitable for a range of electronic applications. It features a glass body with nickel-plated brass contacts, rated at 12A at 250V AC, with an interrupt rating of 12A~30A. Designed for high-temperature operation from -55°C to +125°C, it provides reliable overcurrent protection. The fuse's dimensions are approximately 11.25 mm (length) and 6.35 mm (diameter), accommodating axial leads of tin-plated copper. It is UL Listed, CSA Certified, and recognized by UR, ensuring compliance with safety standards for various electrical and electronic systems.

Authorized Distributors
Source:DigiKey
Part No:FSA-12A
Stock:6930
Inv Date:06-05-2026
Price: Unit price: $1.18
Buy/RFQ:
Part No:FSA-1.2A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.46
Buy/RFQ:
Part No:FSA-12A
Stock:100
Inv Date:06-05-2026
Price: Unit price: $0.2
Buy/RFQ:
Part No:FSA-1.2A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.3481
Buy/RFQ:
Part No:FSA-12A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.7115
Buy/RFQ:
Part No:FSA-1.2A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.3481
Buy/RFQ:
Part No:FSA-12A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.7115
Buy/RFQ:

OptiFuse FSA12A Fast-Acting Glass Fuse Specifications:

  • Material: Glass body with nickel-plated brass contacts
  • Lead wire: Tin-plated copper, Diameter: 0.8mm
  • Rated Current: 12A at 250V AC
  • Interrupt Rating: 12A ~ 30A
  • Operating Temperature: -55°C to +125°C
  • Dimensions: Length approximately 11.25 mm (0.44 inches), Diameter 6.35 mm (¼ inch)
  • Standards: UL Listed, CSA Certified, UR Recognized
  • Packaging: Bulk packing with 250 pieces per box
  • Operating Time: 4 hours at 135% rated current, 5 seconds at max
  • Rated Voltage: 250V AC, 32V AC at 12A

Buy the Buy Optifuse FSA12A Part Number FSA12A Online

Purchase the Optifuse SeriesFSA12A fast-acting glass fuse online today. Designed with a durable glass body and axial leads, this 12A fuse provides rapid protection against overcurrent conditions. Rated at 250V AC and operating safely within -55°C to +125°C, it is suitable for numerous electronic and electrical applications. Perfect for circuit protection, its UL and CSA certifications ensure safety and compliance with industry standards. Order now for fast delivery and keep your devices protected with high-quality, reliable fuses.

Order your Optifuse SeriesFSA12A 12A fast-acting fuse today and ensure reliable overcurrent protection for your electronic projects.

Frequently Asked Questions

Where can I buy OptiFuse FSA12A?

You can click on the BUY or RFQ button to purchase FSA12A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSA12A?

You can download the FSA12A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSA12A?

OptiFuse

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