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OptiFuse FMSRE400mA Micro Fuse

This fast-acting micro fuse features a compact square thermoplastic body made from UL 94-V0 material, with tin-lead plated alloy pins for reliable contact. Designed for overcurrent protection in electronic circuits, it includes short radial leads for easy mounting, suitable for applications requiring a current rating of 400mA and an operating temperature range of -55°C to +125°C. It complies with IEC standards and recognized agency certifications such as UL, VDE, PSE, SEMKO, and CEC. The fuse offers a robust electrical profile with interrupt ratings up to 630mA and is designed for occasional overcurrent protection, avoiding prolonged overcurrent operation to prevent damage.

Authorized Distributors
Part No:FMS-R-E-400mA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.46
Buy/RFQ:
Part No:FMS-R-E-400MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.869
Buy/RFQ:
Part No:FMS-R-E-400MA
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.869
Buy/RFQ:

OptiFuse FMSRE400MA Micro Fuse Specifications:

  • Body Material: Thermoplastic, UL 94-V0
  • Pin Material: Tin-lead plated alloy
  • Current Rating: 400mA
  • Operating Temperature: -55°C to +125°C
  • Interrupt Ratings: Up to 630mA at 250V
  • Mechanical Dimensions: 0.39 inches (20.02 mm) length, 0.17 inches (4.34 mm) width, 0.02 inches (0.54 mm) lead diameter
  • Certification: UL Recognized, VDE, PSE, SEMKO, CEC
  • Mounting: Radial leads for PCB or point mounting
  • Agency Standards: IEC compliance, suitable for overcurrent protection applications
  • Peak Current: 210% to 1000% of rated current
  • Maximum Voltage: 250V AC/DC
  • Temperature Rating: -55°C to +125°C

Buy the Buy Optifuse Micro Fuse Part Number FMSRE400mA Online

Purchase the Optifuse Micro Fuse FMSRE400mA online for dependable overcurrent protection in your electronic projects. Designed with a compact square thermoplastic body and short radial leads for easy mounting, this fuse provides a rated current of 400mA suitable for various circuit protections. It operates efficiently within a temperature range of -55°C to +125°C and is recognized by multiple agency standards, including UL and VDE. Ensuring precision and durability, this fuse safeguards your devices against overcurrent events while maintaining reliable performance over time.

Get Optifuse FMSRE400mA today—built for reliable overcurrent protection with quick response and durable design in electronic circuits.

Frequently Asked Questions

Where can I buy OptiFuse FMSRE400MA?

You can click on the BUY or RFQ button to purchase FMSRE400MA from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FMSRE400MA?

You can download the FMSRE400MA datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FMSRE400MA?

OptiFuse

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