myMectronic
myMectronic

A Premier B2B Part Search

OptiFuse FSA125mA Glass Tube Fuse

This is a ¼ x 1¼ inch fast-acting glass tube fuse designed for circuit protection, rated at 125mA. Suitable for various electronic applications, it features a glass body with nickel-plated brass contacts and tin-plated copper leads for reliable electrical connection. This fuse provides a quick response during overload conditions, ensuring safety and preventing damage to circuitry. It complies with UL, UR, and CSA standards, making it a dependable choice for industrial and commercial electronic systems. The fuse operates over a temperature range of -55°C to +125°C, with different sizes and ratings available for specific needs.

Authorized Distributors
Part No:FSA-125mA
Stock:55
Inv Date:06-05-2026
Price: Unit price: $0.23
Buy/RFQ:
Part No:FSA-125MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.7115
Buy/RFQ:
Part No:FSA-125MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.7115
Buy/RFQ:

OptiFuse FSA125MA Glass Tube Fuse Specifications:

  • Materials: Glass body with nickel-plated brass contacts and tin-plated copper lead wires
  • Physical Size: ¼ x 1¼ inch (3AG)
  • Rated Current: 125mA
  • Voltage Rating: 250V AC
  • Operating Temperature: -55°C to +125°C
  • Interrupt Ratings: 35A at 250V AC (100mA~1A), 12A~30A at 250V AC
  • Certifications: UL Listed, UR Recognized, CSA Certified
  • Lead Wire Diameter: 0.8mm for 15A and less, larger for 16A~30A
  • Packaging: Bulk and boxed options
  • Response Time: Fast acting, trip within seconds during overload
  • Standards Compliance: UL, CSA, UR recognized
  • Electrical Characteristics: Designed to handle transient surges with specific current ratings, including 125mA, 150mA, 200mA, up to 30A, with different break capacities.

Buy the Optifuse 125mA FSA-125mA – Reliable Fast-Acting Circuit Fuse for Industrial Applications

Secure your electrical systems today by purchasing the Optifuse glass tube fuse online. Designed for quick response and high reliability, this 125mA fast-acting fuse ensures maximum safety for your electronic circuits. Made with durable glass and brass contacts, it meets UL, UR, and CSA certifications, guaranteeing quality and compliance. The fuse's compact size fits various applications, and its wide temperature range offers versatility across environments. Order now to ensure prompt delivery and reliable protection for your critical electronic components.

Buy Optifuse 125mA FSA-125mA now and experience unmatched reliability and performance in circuit protection for industrial electronics.

Frequently Asked Questions

Where can I buy OptiFuse FSA125MA?

You can click on the BUY or RFQ button to purchase FSA125MA from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSA125MA?

You can download the FSA125MA datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSA125MA?

OptiFuse

OptiFuse Part List

Browse and search other OptiFuse parts, locate datasheets and stock

Sponsored by