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OptiFuse RS120040 Resettable Fuse

A resettable fuse suitable for 120V AC/DC applications, featuring radial leads for easy mounting and replacement. Designed to provide overcurrent protection with the convenience of reset capability.

Authorized Distributors
Part No:RS120-040
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.71
Buy/RFQ:
Part No:RS120-040
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.4788
Buy/RFQ:
Part No:RS120-040
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.4788
Buy/RFQ:

OptiFuse RS120040 Resettable Fuse Specifications:

  • Operation Voltage: 120V ac/pc
  • Maximum Operating Voltage: 135V ac/pc
  • Operation Current: 0.40A
  • Trip Current: 0.80A
  • Maximum Power Dissipation: 1.44 W
  • Resistance: 0.55Ω (typical)
  • Resistance Tolerance: ±20%
  • Maximum Trip Time at 23°C: 65 seconds
  • Temperature Range: -40°C to 85°C
  • Lead Material: Tin plated copper, 22 AWG
  • Soldering Characteristics: MIL-STD-202, method 208E
  • Flame Retardant Coating: UL 94V-0
  • Dimensions: Diameter 2.0 mm, lead length approximately 13 mm

Buy the Optifuse Series RS120 Resettable Fuse: RS120040

Secure your electrical devices with the Optifuse RS120040 resettable fuse. Designed for 120V AC/DC systems, it features radial leads for easy installation and reliable overcurrent protection. Its compact size and durable construction ensure long-term performance across a temperature range of -40°C to 85°C. Suitable for various electronic applications, this fuse resets after overcurrent trips, reducing replacement costs and downtime. Perfect for ensuring safety and continuous operation in your circuits. Order online today for fast, reliable delivery.

Buy Optifuse RS120040 resettable fuse now and experience unmatched reliability and performance in overcurrent protection for electrical circuits.

Frequently Asked Questions

Where can I buy OptiFuse RS120040?

You can click on the BUY or RFQ button to purchase RS120040 from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part RS120040?

You can download the RS120040 datasheet or visit the OptiFuse website for support.

Who is the manufacturer of RS120040?

OptiFuse

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