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OptiFuse FSA20A Fast-Acting Glass Fuse

This is a fast-acting glass tube fuse designed for electronic circuit protection, rated at 20A and featuring a 3AG glass body. Ideal for overcurrent protection, it meets UL, CSA, and other industry standards, ensuring safety and reliability. The fuse's compact size and glass construction provide quick response to faults, preventing damage to sensitive electronic components. Suitable for various applications, this fuse ensures safe operation by breaking circuits during overcurrent conditions, maintaining device integrity and operational stability. Perfect for electronics and automation projects requiring dependable overcurrent protection.

Authorized Distributors
Source:DigiKey
Part No:FSA-20A
Stock:2190
Inv Date:06-05-2026
Price: Unit price: $1.18
Buy/RFQ:
Part No:FSA20A
Stock:0
Inv Date:06-06-2026
Price: N/A
Buy/RFQ:
Part No:FSA-20A
Stock:40
Inv Date:06-05-2026
Price: Unit price: $1.2
Buy/RFQ:
Part No:FSA-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.7115
Buy/RFQ:
Part No:FSA-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.7115
Buy/RFQ:

OptiFuse FSA20A Fast-Acting Glass Fuse Specifications:

  • Material: Glass body with nickel-plated brass contacts
  • Rated Current: 20A
  • Voltage Rating: 250V
  • Type: Fast-Acting Glass Tube Fuse
  • Dimensions: Diameter 6.35mm, Length 32mm
  • Operating Temperature: -55°C to +125°C
  • Agency Standards: UL Listed, CSA Certified
  • Interrupt Ratings: 35A at 250V AC (100mA~1A), 100A at 250V AC (1.2A~3.5A), 200A at 250V AC (4A~10A), 300A at 32V AC (12A~30A)

Buy the Buy Optifuse FSA20A Part Number FSA20A Online

Purchase the Optifuse FSA20A fast-acting glass fuse online and ensure reliable circuit protection. Perfect for electronic and automation systems, this fuse offers quick response during overcurrent situations. Crafted with a durable glass body and nickel-plated contacts, it adheres to UL and CSA safety standards. Its compact size makes it ideal for various applications, providing dependable performance and safety. Order now for fast shipping and secure, trusted protection for your electronic components.

Get Optifuse FSA20A today—built for overcurrent protection and long-lasting durability.

Frequently Asked Questions

Where can I buy OptiFuse FSA20A?

You can click on the BUY or RFQ button to purchase FSA20A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSA20A?

You can download the FSA20A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSA20A?

OptiFuse

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