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Littelfuse 2.5 A Resettable Fuse 72V Radial Lead RXEF250
Specifications
| Country of Origin | China |
|---|---|
| Voltage | 72V |
| Brand | Littelfuse |
| Height | 25.4mm |
| Length | 20.8mm |
| Model | RXEF250 |
| Width | 3mm |
| Current Rating | 40A |
| Series | RXEF |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 5A |
| Power Dissipation | 2.5W |
| Standards/Approvals | CQC, CSA, TUV, UL, RoHS |
| Time to Trip | 16s |
| Hold Current | 2.5A |
| Minimum Resistance | 0.05Ω |
| Maximum Resistance | 130mΩ |
| Lead Orientation | Radial |
| TE Connectivity Resettable FuseBrand | TE Connectivity |
| RS PRO 2.5 A Resettable Fuse, 72V dcRS Stock No. | 279-6764Brand: RS PRO |
Key Features
- Automatically resets after fault conditions are cleared.
- Low resistance with fast time-to-trip of 16 seconds.
- Radial lead orientation for easy PCB mounting.
- Compact dimensions measuring 20.8mm length, 25.4mm height, and 3mm width.
- Power dissipation rating of 2.5W for efficient thermal management.
- Wide operating temperature range from -40°C to 60°C.
- Compliant with CQC, CSA, TUV, UL, and RoHS standards.
- Maintenance free with halogen-free construction.
Product Description
Littelfuse RXEF250 is a high-quality 2.5 A resettable fuse rated for 72V operation, featuring a radial lead orientation and compact form factor ideal for PCB applications.
This fuse belongs to the PolySwitch™ RXE Series, known for low hold currents down to 50mA and high voltage ratings up to 72V. It provides reliable protection by quickly transitioning from a low resistance state to a high resistance state during overloads or short circuits, safeguarding electronic circuits without requiring fuse holders.
Typical applications include printers, satellite video receivers, industrial controls, transformers, computer motherboards, modems, USB hubs, ports and peripherals, game machines, phones, fax machines, and analog and digital line card devices.
The RXEF250 fuse has a trip current of 5A and a time-to-trip of 16 seconds, with a hold current of 2.5 A. Its small size with dimensions 20.8mm length, 25.4mm height, and 3mm width allows easy integration into densely packed assemblies.
This product is maintenance free and halogen free, with power dissipation at 2.5W, minimum resistance of 0.05Ω and maximum resistance of 130mΩ. It operates reliably within temperatures from -40°C to 60°C.
The fuse is certified by multiple international standards including CQC, CSA, TUV, UL, and RoHS, ensuring safety and environmental compliance. Automatically resets after fault conditions are cleared. Low resistance with quick response time of 16 seconds to trip.
Compact and PCB-friendly radial lead design. Wide operating temperature range from -40°C to 60°C. Power dissipation up to 2.5W. Halogen free construction for safety. Compliance with global certifications including UL, CSA, TUV, and RoHS.
Suitable for industrial, telecommunications, medical, and computer hardware applications.
This Littelfuse RXEF250 resettable fuse is an essential component for protecting sensitive electronic circuits against overcurrent conditions while enabling quick recovery and reducing downtime.
Explore more high-quality fuses and Resettable Fuse options in the Circuit Breakers & Fuse category at EnvMart for reliable electrical protection solutions.
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Frequently Asked Questions
The RXEF250 has a hold current rating of 2.5 A and a trip current of 5 A.
This model is rated for a maximum voltage of 72V.
The dimensions of this fuse are 20.8 mm in length, 25.4 mm in height, and 3 mm in width.
The fuse has a time-to-trip of 16 seconds during overload conditions.
It operates reliably within a temperature range of -40°C to 60°C.
The power dissipation rating for the RXEF250 is 2.5W.
This model is compliant with CQC, CSA, TUV, UL, and RoHS standards.
The RXEF250 features a radial lead orientation, making it suitable for easy PCB mounting.
The minimum resistance is 0.05Ω and the maximum resistance is 130mΩ.
Typical applications include printers, satellite video receivers, industrial controls, and computer motherboards.
Yes, this resettable fuse is maintenance-free and features halogen-free construction.
The RXEF250 is part of the PolySwitch™ RXE Series.
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