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OptiFuse RALR550 Battery Protection Fuse
The RALR-550 is a resettable fuse designed for 20V DC applications, suitable for rechargeable battery packs and lithium cell assemblies. It offers overcurrent protection with a hold current of 5.5A and a trip current of 10.5A, ensuring reliable operation within a temperature range of -40°C to 85°C. The fuse features a low profile, solid-state design with a polyester tape insulator and nickel lead material. Its maximum voltage withstand capability is 20V DC, with a maximum power dissipation of 2.8W. This device is ideal for ensuring safety and protection in portable electronic and battery systems.
OptiFuse RALR550 Battery Protection Fuse Specifications:
- Operation Current: 1.9A to 7.3A
- Maximum Voltage: 20V DC
- Temperature Range: -40°C to 85°C
- Hold Current: 5.5A
- Trip Current: 10.5A
- Maximum Power Dissipation: 2.8W
- Resistance (Ryin): 0.009Ω at 23°C
- Resistance (Rlax): 0.016Ω at 23°C
- Lead Material: 0.13mm thick nickel
- Insulating Material: Polyester tape
- Dimensions (mm): Length 35.0–37.0, Width 6.9–7.5, Height 0.6–1.0
- Standards: Pending C-UL certification, UL Listed
Buy the Optifuse Series RALR Resettable Fuse: RALR550
Order the Optifuse RALR550 resettable fuse online now to ensure reliable overcurrent protection for your lithium battery packs and portable electronic devices. Designed for 20V DC applications, this solid-state fuse features a low profile, durable nickel lead construction, and operates within -40°C to 85°C temperature range. It provides a hold current of 5.5A and trips at 10.5A, making it ideal for safeguarding rechargeable batteries, lithium cells, and electronic systems. Purchase online today for quick delivery and dependable safety performance.
Get Optifuse RALR550 today—built for precision and long-lasting durability in overcurrent protection for rechargeable batteries.
Frequently Asked Questions
Where can I buy OptiFuse RALR550?
You can click on the BUY or RFQ button to purchase RALR550 from an authorized OptiFuse distributor.
How do I troubleshoot issues or seek technical support for part RALR550?
You can download the RALR550 datasheet or visit the OptiFuse website for support.
Who is the manufacturer of RALR550?
OptiFuse