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OptiFuse FSD63A Glass Fuses

A set of five 20 mm fuse glass body fast-acting fuses, designed to European standards, with a current rating of 6.3A. Suitable for circuit protection in various electronic applications.

Authorized Distributors
Source:DigiKey
Part No:FSD-6.3A
Stock:3526
Inv Date:06-05-2026
Price: Unit price: $0.97
Buy/RFQ:
Part No:FSD-6.3A
Stock:50
Inv Date:06-05-2026
Price: Unit price: $0.21
Buy/RFQ:

OptiFuse FSD63A Glass Fuses Specifications:

  • Type: Fast Acting Glass Tube Fuse
  • Form Factor: 5x20 mm
  • Current Rating: 6.3A
  • Operating Temperature: -55°C to +125°C
  • Material: Glass Body with Nickel Plated Brass Caps
  • Lead Wire Diameter: 0.65mm (8A and less), 0.8mm (>8A), 1.0mm (>15A)
  • Electrical Ratings: 250V AC, Interrupt Ratings: 35A or 10In whichever is greater
  • Mechanical Dimensions: Length 20mm, Width 5mm, Height 20mm
  • Standards: European standards, UL listed
  • Application: Overcurrent protection for electronic circuits.
  • Note: All specifications are subject to change without notice.

Buy the Optifuse Series FSD Glass Fuses: FSD63A

Order Optifuse FSD63A glass fuses online today to ensure reliable overcurrent protection for your electronic devices. These fast-acting 6.3A fuses feature high-quality glass bodies with nickel-plated brass caps, meeting European standards. Ideal for circuit protection in various applications, they offer quick response times and high interrupt ratings of 35A at 250V AC. Compact and easy to install, these fuses are perfect for maintaining circuit safety and performance, making them a dependable choice for technicians and engineers alike.

Get Optifuse FSD63A today—built for precision and long-lasting durability.

Frequently Asked Questions

Where can I buy OptiFuse FSD63A?

You can click on the BUY or RFQ button to purchase FSD63A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSD63A?

You can download the FSD63A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSD63A?

OptiFuse

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