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OptiFuse RS120200 resettable fuse

This resettable fuse rated for 120V AC/DC features a radial lead design, suitable for overcurrent protection in electronic equipment. It offers a trip current ranging from 0.20A to 4.20A, with maximum operating voltage of 120V and maximum interrupt voltage of 135V. The fuse is constructed with tin-plated copper leads, 24AWG, 22AWG, or 20AWG, and is flame-retardant epoxy coated meeting UL-94V-0 standards. It has a compact size with dimensions optimized for space-constrained electronic circuits, ensuring reliable operation across temperatures from -40°C to 85°C. The fuse dissipates a maximum power of 4.32W at rated conditions, with resistance values from 0.05 to 3.36 ohms, depending on the model, and withstands a maximum fault current up to 4000A. Suitable for use in wide variety of electronic equipment requiring overcurrent protection, it complies with RoHS standards and features MIL-STD-202 soldering characteristics for durable connections.

Authorized Distributors
Source:DigiKey
Part No:RS120-200
Stock:8
Inv Date:06-05-2026
Price: Unit price: $2.99
Buy/RFQ:
Part No:RS120-200
Stock:20
Inv Date:06-05-2026
Price: Unit price: $3.05
Buy/RFQ:
Part No:RS120-200
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.802
Buy/RFQ:
Part No:RS120-200
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.802
Buy/RFQ:

OptiFuse RS120200 resettable fuse Specifications:

  • Rated Voltage: 120V AC/DC
  • Trip Current Range: 0.20A to 4.20A
  • Maximum Operating Voltage: 120V
  • Maximum Interrupt Voltage: 135V
  • Maximum Power Dissipation: 4.32W
  • Resistance Range: 0.05 to 3.36 ohms
  • Lead Material: Tin-plated copper, 24AWG, 22AWG, 20AWG
  • Soldering Characteristics: MIL-STD-202, method 208E
  • Insulating Coating: Flame retardant epoxy, UL-94V-0
  • Temperature Range: -40°C to 85°C
  • Lead Diameter: 0.51mm to 0.81mm
  • Physical Dimensions: Length varies by model, typical sizes around 13mm to 30mm
  • RoHS Compliant

Buy the Buy Optifuse RS120200 Part Number RS120200 Online

Purchase the Optifuse RS120200 resettable fuse online today to ensure reliable overcurrent protection for your electronic applications. With ratings suitable for 120V AC/DC and a compact radial lead design, this fuse provides safe and effective circuit protection. Its robust construction withstands temperatures from -40°C to 85°C, dissipates up to 4.32W, and features resistance values tailored for precise overcurrent limiting. Buying online guarantees quick delivery, authentic quality, and competitive pricing for your electronics needs, making it the ideal choice for professionals and hobbyists alike.

Buy Optifuse RS120200 now and experience unmatched reliability and protection in electronic circuits.

Frequently Asked Questions

Where can I buy OptiFuse RS120200?

You can click on the BUY or RFQ button to purchase RS120200 from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part RS120200?

You can download the RS120200 datasheet or visit the OptiFuse website for support.

Who is the manufacturer of RS120200?

OptiFuse

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