myMectronic
myMectronic

A Premier B2B Part Search

OptiFuse RS120250 Resettable Fuse

The resettable fuse designed for 120V AC/DC systems offers reliable overcurrent protection with a radial lead configuration, making it suitable for electronic equipment and power supplies. These solid-state, flameless devices operate within a temperature range of -40°C to 85°C, ensuring safety in diverse environments. With current ratings from 100mA to 3.75A and maximum operating voltages of 120V ac and 135V ac, they provide consistent trip and hold current performance, meeting UL-94V-0, RoHS standards, and MIL-STD-202 soldering requirements, making them ideal for protecting sensitive electronic circuits.

Authorized Distributors
Part No:RS120-250
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.77
Buy/RFQ:
Part No:RS120-250
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.387
Buy/RFQ:
Part No:RS120-250
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.387
Buy/RFQ:

OptiFuse RS120250 Resettable Fuse Specifications:

  • Hold Current: 0.10A to 3.75A depending on model
  • Trip Current: 0.20A to 7.50A depending on model
  • Maximum Operating Voltage: 120V ac, 135V ac
  • Maximum Interrupt Voltage: 135V ac
  • Operating Temperature Range: -40°C to 85°C
  • Physical Lead Material: Tin plated copper, available in 22, 20, 24 AWG
  • Soldering Characteristics: MIL-STD-202, method 208E
  • Insulating Coating: Flame retardant epoxy
  • Dimensions (mm): Lead size varies from 8.2mm to 23.5mm, diameter from 5.1mm to 27.9mm depending on model
  • Standards and Compliance: UL-94V-0, RoHS, MIL-STD-202

Buy the Optifuse Series RS120 Resettable Fuse: RS120250

Secure your electronic devices with the Optifuse RS120250 resettable fuse. Designed for 120V systems, it features a radial lead, ensuring easy installation and dependable protection against overcurrents. Operating from -40°C to 85°C, it meets UL-94V-0, RoHS, and military standards, making it ideal for power supplies and sensitive electronic equipment. With ratings up to 135V ac and 3.75A, it offers quick trip response, reusability, and safety, ensuring your devices stay protected and compliant with industry standards. Purchase online today for reliable circuit protection.

Buy Optifuse RS120250 resettable fuse now and experience unmatched reliability and performance for your electronic protection needs.

Frequently Asked Questions

Where can I buy OptiFuse RS120250?

You can click on the BUY or RFQ button to purchase RS120250 from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part RS120250?

You can download the RS120250 datasheet or visit the OptiFuse website for support.

Who is the manufacturer of RS120250?

OptiFuse

OptiFuse Part List

Browse and search other OptiFuse parts, locate datasheets and stock

Sponsored by