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Littelfuse 1.85 A Resettable Fuse, Radial Lead, 72V, Power Dissipation 2.1W RXEF185
Specifications
| Country of Origin | China |
|---|---|
| Voltage | 72V |
| Brand | Littelfuse |
| Height | 22.4mm |
| Length | 17.5mm |
| Model | RXEF185 |
| Width | 3mm |
| Current Rating | 40A |
| Series | RXEF |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 3.7A |
| Power Dissipation | 2.1W |
| Standards/Approvals | CSA, UL, RoHS, CQC, TUV |
| Time to Trip | 12.6s |
| Hold Current | 1.85A |
| Minimum Resistance | 0.08Ω |
| Maximum Resistance | 190mΩ |
| Lead Orientation | Radial |
| RXE polyswitch resettable fuse,1.85A 72VBrand | TE Connectivity |
Key Features
- The resettable fuse features radial lead orientation for easy PCB wiring.
- It has a hold current of 1.85A and a trip current of 3.7A for accurate protection.
- Operates efficiently within a temperature range of -40°C to 60°C.
- The compact dimensions are 17.5mm length, 22.4mm height, and 3mm width.
- Constructed for rapid switching from low resistance to high resistance during faults and resets automatically.
- Complies with CSA, UL, RoHS, CQC, and TUV standards for quality and safety assurance.
- Suitable for protecting electrical and electronic circuits in various industrial and commercial applications.
Product Description
Littelfuse RXEF185 is a high-quality 1.85 A resettable fuse designed for overcurrent protection in industrial and consumer electronic devices. Rated for 72V and capable of dissipating 2.1W power, this fuse automatically resets thousands of times, eliminating the need for replacement fuses or fuse holders.
This resettable fuse features a radial lead orientation that facilitates easy insertion and soldering onto PCBs. It holds a current rating of 1.85A with a trip current threshold of 3.7A and a fast trip time of approximately 12.6 seconds, ensuring circuit protection under overload or short circuit conditions.
Its dimensions - 17.5mm length, 22.4mm height, and 3mm width - allow for compact design integration. The device operates reliably within a temperature range of -40°C to 60°C and exhibits low resistance for normal operation, transitioning to a high resistance state quickly when a fault is detected.
Certified by CSA, UL, RoHS, CQC, and TUV, the RXEF185 fuse is halogen free and RoHS compliant, suitable for environmentally conscious manufacturing. Its continuous reset capability and maintenance-free design make it ideal for usage in applications such as industrial controls, printers, satellite video receivers, power supplies, medical equipment, instrumentation, computers, peripheral ports, and telecommunications.
The Resettable Fuse has a radial lead design for straightforward PCB mounting. Offers a fast response time to current overloads and short circuits. Maintenance-free and capable of automatic resetting thousands of cycles.
Compact form factor supports efficient space utilization. Complies with widely recognized safety and quality certifications. Supports protection across a wide temperature and voltage range. Appropriate for diverse industrial, commercial, and consumer electronic applications.
The RXEF185 series fuse ensures sustainable circuit protection and reduces downtime caused by fuse replacements. Explore more from the Littelfuse RXEF series for versatile current protection solutions available at EnvMart.
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Frequently Asked Questions
The hold current rating of this resettable fuse is 1.85A.
The trip current for the RXEF185 model is 3.7A.
This fuse is rated for a maximum voltage of 72V.
It operates efficiently within a temperature range of -40°C to 60°C.
The dimensions of the RXEF185 fuse are 17.5mm in length, 22.4mm in height, and 3mm in width.
The power dissipation capacity of this resettable fuse is 2.1W.
The fuse has a fast trip time of approximately 12.6 seconds under overload conditions.
It complies with CSA, UL, RoHS, CQC, and TUV standards for quality and safety assurance.
This resettable fuse features a radial lead orientation for easy PCB wiring.
This model is suitable for protecting electrical and electronic circuits in various industrial and commercial applications.
The minimum resistance is 0.08Ω and the maximum resistance is 190mΩ.
The RXEF185 fuse is manufactured in China.
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