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OptiFuse RS90050 Resettable Fuse

The resettable fuse rated for up to 90V DC features a radial lead design, ideal for overcurrent protection in telecom and electronic equipment. It offers low hold current, high trip current, and reliable performance across a temperature range of -40°C to 85°C. Constructed with tin-plated copper leads, it complies with UL-94V-0 flame retardant standards and RoHS, TUV, and UL certifications. Suitable for applications requiring quick reset after fault conditions, it ensures device safety and longevity with its solid-state instant response and thermal stability.

Authorized Distributors
Source:DigiKey
Part No:RS90-050
Stock:472
Inv Date:06-05-2026
Price: Unit price: $0.95
Buy/RFQ:
Part No:RS90-050
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.42
Buy/RFQ:

OptiFuse RS90050 Resettable Fuse Specifications:

  • Voltage Rating: Up to 90V
  • Hold Current: 0.10A to 3.75A
  • Trip Current: 0.20A to 7.50A
  • Temperature Range: -40°C to 85°C
  • Lead Material: Tin plated copper, 24 AWG (RS90-010 to RS90-090), 20 AWG (RS90-110 to RS90-375)
  • Lead Diameter: 0.51 mm (24 AWG), 0.81 mm (20 AWG)
  • Soldering Method: MIL-STD-202, Method 208E
  • Insulating Coating: Flame retardant epoxy (UL-94V-0)
  • Physical Dimensions: Length varies per model, typical lead length approximately 16-30 mm, diameter 0.51 or 0.81 mm
  • Agency Standards: RoHS, TUV, UL

Buy the Optifuse Series RS90 Resettable Fuse: RS90050

Order the Optifuse RS90050 resettable fuse now to enhance your electronic device safety. Designed for overcurrent protection with a radial lead configuration, it offers quick resetability and high-quality performance. Suitable for telecom, consumer electronics, and industrial equipment, this fuse ensures long-lasting durability and compliance with global safety standards. Easy to install with its tin-plated copper leads, it provides proven reliability in protecting your circuits from overcurrent conditions. Buy online today for top-tier safety and performance in your electronics projects.

Get Optifuse RS90050 today—built for reliable overcurrent protection in electronic circuits.

Frequently Asked Questions

Where can I buy OptiFuse RS90050?

You can click on the BUY or RFQ button to purchase RS90050 from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part RS90050?

You can download the RS90050 datasheet or visit the OptiFuse website for support.

Who is the manufacturer of RS90050?

OptiFuse

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