myMectronic
myMectronic

A Premier B2B Part Search

OptiFuse FSW20A Fast-Acting Glass Fuse

This is a 1/4 x 7/8 inch glass body fast-acting fuse rated at 20 amperes, suitable for various electrical applications, including automotive and industrial circuits. It features a glass tube design that provides reliable protection by quickly disconnecting the circuit during overloads. The fuse's compact size makes it easy to integrate into different electrical systems, ensuring safety and preventing damage to sensitive components. Rated for 125V / 32V, it is ideal for use in automotive, electronics, and industrial equipment, offering dependable performance in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:FSW-20A
Stock:518
Inv Date:06-05-2026
Price: Unit price: $1.36
Buy/RFQ:
Part No:FSW-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.79
Buy/RFQ:
Part No:FSW-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.8192
Buy/RFQ:
Part No:FSW-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.8192
Buy/RFQ:

OptiFuse FSW20A Fast-Acting Glass Fuse Specifications:

  • Fuse Size: 1/4” x 7/8 ” (6.3 x 22.2 mm)
  • Ampere Rating: 20A
  • Voltage Rating: 125V / 32V
  • Electrical Characteristics: 100% rated at 20A, with overload protection
  • Mechanical Dimensions: Length 0.874 inches (22.2 mm), diameter 0.254 inches (6.3 mm)
  • Material: Glass tube body with metal end caps
  • Application: Automotive, industrial, electronic protection
  • Operation: Fast-acting, providing quick circuit disconnection during overloads
  • Warning: Operation beyond maximum ratings may cause damage, arcing, or flame
  • Note: Specifications are subject to change without notice.

Buy the OptiFuse 20A FSW – Reliable Fast-Acting Glass Fuse for Industrial Applications

Secure your electrical systems with the OptiFuse 20A fast-acting glass fuse. Perfect for automotive, industrial, and electronic applications, this 1/4 x 7/8 inch fuse offers quick response to overloads, preventing component damage. Trust in its reliable performance under voltages up to 125V and 32V. Easy to install and durable, it safeguards your circuits against overloads and faults. Purchase online today to benefit from fast shipping and dependable protection for your critical electrical systems.

Order your OptiFuse Series FSW 20A glass fuse today and ensure your electrical systems operate safely and reliably with high-quality circuit protection.

Frequently Asked Questions

Where can I buy OptiFuse FSW20A?

You can click on the BUY or RFQ button to purchase FSW20A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSW20A?

You can download the FSW20A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSW20A?

OptiFuse

OptiFuse Part List

Browse and search other OptiFuse parts, locate datasheets and stock

Sponsored by