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OptiFuse FSD125A Fast Acting Glass Fuse

A pack of five 20 mm glass body fast-acting fuse links, conforming to European standards, with a current rating of 1.25A. Suitable for electronic circuit protection for various devices, these fuses operate reliably within specified current limits. Designed with glass body and nickel-plated brass caps, they offer quick response to overcurrent conditions, safeguarding electronic circuits and components from damage. Ideal for applications requiring fast tripping characteristics, these fuses ensure safe operation and easy replacement in electrical and electronic systems.

Authorized Distributors
Source:DigiKey
Part No:FSD-1.25A
Stock:1013
Inv Date:06-05-2026
Price: Unit price: $0.97
Buy/RFQ:
Part No:FSD-1.25A
Stock:70
Inv Date:06-05-2026
Price: Unit price: $0.21
Buy/RFQ:
Part No:FSD-12.5A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.75
Buy/RFQ:
Part No:FSD-1.25A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5846
Buy/RFQ:
Part No:FSD-1.25A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5846
Buy/RFQ:

OptiFuse FSD125A Fast Acting Glass Fuse Specifications:

  • Type: Fast Acting Glass Tube Fuse
  • Size: 5x20 mm
  • Current Rating: 1.25A
  • Voltage Rating: 250V AC (implied from context)
  • Material: Glass Body, Nickel Plated Brass Caps
  • Lead Wire Diameter: 0.65mm (less than 8A), 0.8mm (over 8A), 1.0mm (over 15A)
  • Operating Temperature Range: -55°C to +125°C
  • Mechanical Dimensions: 0.201+0.024 inches (5.10+0.6 mm), 0.790+0.02 inches (20+0.5 mm), 1.57+0.04 inches (40+1 mm), 0.83+0.04 inches (21+1 mm)
  • Application: Overcurrent protection for electronic devices
  • Compliance: Conforms to European safety standards
  • Part Number: FSD125A

Buy the Buy Optifuse FSD125A Part Number FSD125A Online

Order the Optifuse FSD125A fast-acting glass fuse online today. Designed for electronic circuit protection, this 1.25A fuse features a durable glass body and nickel-plated brass caps. Its compact size of 20 mm length and 5 mm width makes it easy to install in various applications. Suitable for protecting electronic devices and ensuring safety against overcurrent conditions, this fuse offers quick response times, high reliability, and compliance with European standards. Perfect for hobbyists and professional electricians alike seeking dependable overcurrent protection in their systems.

Get Optifuse FSD125A today—built for reliable electronic circuit protection and quick overcurrent response.

Frequently Asked Questions

Where can I buy OptiFuse FSD125A?

You can click on the BUY or RFQ button to purchase FSD125A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSD125A?

You can download the FSD125A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSD125A?

OptiFuse

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