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OptiFuse FCA4A Ceramic Tube Fuse

This is a 1¼ inch ceramic body fast-acting fuse rated at 4 amperes, designed for circuit protection. It features a ceramic tube with nickel-plated brass contacts, ensuring reliable electrical contact and durability. The fuse's compact size of 6.3 x 32 mm makes it suitable for various electronic applications requiring quick response to overcurrent conditions. It conforms to industry standards and offers an interrupting rating suitable for high-current circuit protection, making it ideal for sensitive electronic devices and industrial equipment requiring fast fault clearance.

Authorized Distributors
Source:DigiKey
Part No:FCA-4A
Stock:2330
Inv Date:06-05-2026
Price: Unit price: $1.52
Buy/RFQ:
Part No:FCA-4A
Stock:98
Inv Date:06-05-2026
Price: Unit price: $0.25
Buy/RFQ:
Part No:FCA-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.9173
Buy/RFQ:
Part No:FCA-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.9173
Buy/RFQ:

OptiFuse FCA4A Ceramic Tube Fuse Specifications:

  • Fuse Type: Fast-Acting Ceramic Tube
  • Physical Dimensions: 6.3 x 32 mm
  • Material: Ceramic body, Nickel-plated brass contacts
  • Lead Wire: Tin plated copper
  • Diameter: 6.3 mm
  • Length: 32 mm
  • Rated Current: 4A
  • Rated Voltage: 250VAC
  • Interrupting Rating: 100A at 250VAC
  • Standard Compliance: UL Listed, CSA Certified
  • Temperature Rating: Not specified
  • Construction: Axial lead
  • Application: Overcurrent protection in electronic circuits and industrial equipment

Buy the Optifuse Series FCA: Ceramic Tube Fast-Acting Fuse 4A

Get the Optifuse Ceramic Tube Fuse rated at 4A now through our online store for fast, reliable circuit protection. Perfect for electronic projects and industrial applications, this 6.3 x 32mm fuse offers quick response to overcurrent conditions, ensuring your equipment is safeguarded against damage. Easy to install, UL-listed, and CSA-certified, it provides outstanding durability and safety in all environments. Don't wait—purchase the Optifuse Ceramic Tube Fuse today for superior overcurrent protection with quick, reliable performance.

Buy Optifuse FCA4A now and experience unmatched reliability and performance in your circuit protection solutions with this fast-acting ceramic fuse.

Frequently Asked Questions

Where can I buy OptiFuse FCA4A?

You can click on the BUY or RFQ button to purchase FCA4A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FCA4A?

You can download the FCA4A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FCA4A?

OptiFuse

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