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OptiFuse FSC300mA Fast Acting Glass Fuse

A pack of five 20 mm glass-body fast-acting fuses designed to standards common in North America, each with a current rating of 300mA. These time-delay fuses are suitable for overcurrent protection in electronic circuits, providing reliable performance with a 5x20mm size. With a voltage rating of 250VAC and operating temperatures from -55°C to +90°C, the fuses ensure safety and durability in various electrical applications, making them ideal for consumer electronics, industrial equipment, and electrical systems requiring precise overcurrent protection.

Authorized Distributors
Source:DigiKey
Part No:FSC-300MA
Stock:3610
Inv Date:06-04-2026
Price: Unit price: $1.21
Buy/RFQ:
Part No:FSC-300mA
Stock:34
Inv Date:06-04-2026
Price: Unit price: $0.31
Buy/RFQ:
Part No:FSC-300MA
Stock:0
Inv Date:06-04-2026
Price: Unit price: $0.7327
Buy/RFQ:
Part No:FSC-300MA
Stock:0
Inv Date:06-04-2026
Price: Unit price: $0.7327
Buy/RFQ:

OptiFuse FSC300MA Fast Acting Glass Fuse Specifications:

  • Size: 5x20mm
  • Current Rating: 300mA
  • Voltage Rating: 250VAC
  • Operating Temperature: -55°C to +90°C
  • Type: Fast-Acting Glass Tube Fuse
  • Standards: Common in North America
  • Construction: Glass-body, axial lead
  • Peak Current: 1A at 250VAC
  • Temperature Rise: Approximates standard fuse thermal limits
  • Durability: Designed for reliable circuit protection
  • Packaging: Pack of 5
  • Application: Overcurrent and short-circuit protection
  • Certifications: UL Listed and other standards
  • Material: Glass tube with metal end caps

Buy the Buy Optifuse FSC300mA Part Number FSC300mA Online

Order the Optifuse FSC300mA glass fast-acting fuse pack online today. These reliable 20mm fuses are perfect for overcurrent protection in electronics and electrical systems. Designed to meet North American standards, the fuses operate safely from -55°C to +90°C and support voltage ratings up to 250VAC. Their compact size of 5x20mm makes them easy to integrate into various devices, ensuring circuit safety and durability. Perfect for consumers and professionals seeking dependable circuit protection solutions that are quickly accessible online at competitive prices.

Get Optifuse FSC300mA today—built for precise overcurrent protection and long-lasting durability.

Frequently Asked Questions

Where can I buy OptiFuse FSC300MA?

You can click on the BUY or RFQ button to purchase FSC300MA from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSC300MA?

You can download the FSC300MA datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSC300MA?

OptiFuse

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