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OptiFuse RS90090 Resettable Fuse

A resettable fuse designed for direct current (DC) circuits up to 90 volts, featuring a radial lead configuration for easy installation. Suitable for overcurrent protection in electronic devices and systems. This low-hold-current, solid-state PPTC fuse provides reliable overcurrent and short circuit protection, making it ideal for telecom equipment, consumer electronics, and industrial applications. The fuse is thermally rated for -40°C to 85°C, RoHS compliant, and meets UL-94V-0 flame retardant standards. It offers a compact, reliable solution to protect sensitive electronic components from damage due to overcurrent conditions.

Authorized Distributors
Source:DigiKey
Part No:RS90-090
Stock:6200
Inv Date:06-05-2026
Price: Unit price: $1.04
Buy/RFQ:
Part No:RS90-090
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.46
Buy/RFQ:
Part No:RS90-090
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.6288
Buy/RFQ:
Part No:RS90-090
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.6288
Buy/RFQ:

OptiFuse RS90090 Resettable Fuse Specifications:

  • Maximum Voltage: Up to 90V
  • Operation Current: 100mA to 3.75A
  • 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 Characteristics: MIL-STD-202, Method 208E
  • Insulating Coating: Flame retardant epoxy, UL-94V-0
  • Physical Dimensions: Lead size 24 AWG: diameter 0.51 mm, lead size 20 AWG: diameter 0.81 mm
  • Part Dimensions (mm): Length approximately 14-28.5 mm depending on model, typical lead length 12.7-33.5 mm
  • Agency Standards: RoHS, TUV, UL-94V-0
  • Mounting Style: Radial leaded

Buy the Buy Optifuse Resettable Fuse Part Number RS90090 Online

Secure your electronic circuits with the reliable Optifuse RS90090 resettable fuse, suitable for circuits up to 90V. Easy-to-install radial lead design ensures quick assembly, while its robust overcurrent protection safeguards sensitive components from damage. Made with high-quality tin-plated copper leads, meeting UL-94V-0 flame retardant standards. Perfect for telecom, industrial, and consumer electronics, this fuse provides durable, efficient overcurrent response, reducing downtime and repair costs. Purchase online now for fast delivery and dependable circuit protection.

Order your Optifuse Series RS90090 resettable fuse today and ensure reliable overcurrent protection for your electronic and telecom projects.

Frequently Asked Questions

Where can I buy OptiFuse RS90090?

You can click on the BUY or RFQ button to purchase RS90090 from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part RS90090?

You can download the RS90090 datasheet or visit the OptiFuse website for support.

Who is the manufacturer of RS90090?

OptiFuse

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