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OptiFuse FSW4A Fast-Acting Glass Tube Fuse

This is a 1/4 inch by 7/8 inch fast-acting glass tube fuse with a 4A current rating, designed for reliable and quick protection in electrical circuits. Its compact size makes it suitable for automotive and other electronic applications where fast response to overcurrent conditions is critical. The fuse features a glass body for visibility of the internal element and is rated for 125V~32V operation, ensuring safety and consistency. It offers dependable performance in protecting circuits from overloads and short circuits in various industrial and automotive devices.

Authorized Distributors
Source:DigiKey
Part No:FSW-4A
Stock:2100
Inv Date:06-05-2026
Price: Unit price: $1.36
Buy/RFQ:
Part No:FSW-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.36
Buy/RFQ:
Part No:FSW-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.8192
Buy/RFQ:
Part No:FSW-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.8192
Buy/RFQ:

OptiFuse FSW4A Fast-Acting Glass Tube Fuse Specifications:

  • Fuse Size: 1/4 inch x 7/8 inch (6.3 x 22.2mm)
  • Ampere Rating: 4A
  • Voltage Rating: 125V / 32V
  • Body Material: Glass
  • Response Time: Fast-acting
  • Application: Automotive and electronic circuits
  • Temperature Tolerance: Standard operational range
  • Rating for Overcurrent Protection: Reliable circuit safeguard
  • Design: Compact size, clear visibility
  • Compliance: Meets industry safety standards

Buy the OptiFuse FSW4A – Reliable Circuit Protection for Industrial Applications

Get the OptiFuse FSW4A fast-acting glass fuse online today. This 4A fuse provides quick, reliable protection against overcurrent conditions in automotive and industrial electrical circuits. Its compact glass body offers visibility for easy inspection, while its design ensures safe operation at 125V~32V voltages. Perfect for circuit protection needs where fast response is critical, this fuse is ideal for maintaining system safety and performance in various electronic and automotive applications. Order now for dependable circuit safeguarding.

Order your OptiFuse Series FSW4A fuse today and ensure your electrical systems are protected with fast-acting, reliable circuit safeguarding components.

Frequently Asked Questions

Where can I buy OptiFuse FSW4A?

You can click on the BUY or RFQ button to purchase FSW4A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSW4A?

You can download the FSW4A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSW4A?

OptiFuse

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