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Littelfuse 0.25 A Resettable Fuse 240V dc Radial Lead LVR025K
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 240V dc |
| Brand | Littelfuse |
| Height | 18.8mm |
| Length | 9.6mm |
| Model | LVR025K |
| Width | 3.8mm |
| Current Rating | 3.5A |
| Series | LVR |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 560mA |
| Power Dissipation | 1.5W |
| Standards/Approvals | RoHS, TUV, UL, CSA |
| Time to Trip | 18.5s |
| Hold Current | 0.25A |
| Minimum Resistance | 1.3Ω |
| Maximum Resistance | 3.8Ω |
| Lead Orientation | Radial |
Key Features
- PolySwitch™ technology ensures automatic reset after fault clearance.
- Fast trip time of approximately 18.5 seconds at specified trip current.
- Compact radial lead design for easy PCB integration.
- Current rating up to 3.5 A with hold current of 0.25 A.
- Operates reliably in temperature ranges from -40°C to 60°C.
- Low resistance state under normal conditions, transitioning rapidly to high resistance during overload.
- Complies with RoHS and approved by TUV, UL, CSA standards.
- Ideal for use in medical equipment, motors, fans, security, measurement, and USB hubs.
Product Description
Littelfuse LVR025K is a 0.25 A resettable fuse designed for line-voltage applications up to 240V dc with radial lead orientation. It is a part of the PolySwitch™ Mains Rated LVR/LVB series that offers reliable overcurrent and overtemperature protection for electrical and electronic circuits.
The fuse features a fast time-to-trip of 18.5 seconds at trip current and holds a current of 0.25 A while tolerating up to 3.5 A current rating. Its compact size with dimensions of 9.6 mm (length), 18.8 mm (height), and 3.8 mm (width) facilitates PCB mounting. The device provides low resistance during normal operation, with a minimum resistance of 1.3 Ω and a maximum resistance of 3.8 Ω, ensuring minimal power dissipation of 1.5 W.
Operating temperature ranges from -40°C to 60°C make it suitable for a variety of industrial and commercial environments. The fuse automatically resets thousands of times without the need for replacement, enhancing maintenance efficiency.
Common applications include protection in medical devices, power supplies, motors, fans, security systems, instrumentation, control equipment, audio visual and telecommunications peripherals. Compliance with RoHS and certifications from TUV, UL, and CSA ensure quality and safety standards.
PolySwitch™ resettable fuse technology for automatic resetting. Fast trip response time of 18.5 seconds at trip current. Radial lead design for easy installation on PCBs. Wide operating temperature range from -40°C to 60°C.
Low power dissipation ensures efficient operation. Complies with international safety and environmental standards. Suitable for diverse industrial and medical applications. Maintenance free operation with thousands of automatic resets.
Explore more in EnvMart's wide range of Resettable Fuses offering reliable circuit protection solutions.
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Frequently Asked Questions
The current rating of this model is up to 3.5 A, with a hold current of 0.25 A.
It is designed for line-voltage applications up to 240V dc.
The time to trip at the specified trip current is approximately 18.5 seconds.
The dimensions of the Littelfuse LVR025K are 9.6 mm in length, 18.8 mm in height, and 3.8 mm in width.
It operates reliably within a temperature range from -40°C to 60°C.
This resettable fuse features a radial lead orientation for easy PCB integration.
The minimum resistance is 1.3 Ω and the maximum resistance is 3.8 Ω under normal conditions.
It complies with RoHS and has certifications from TUV, UL, and CSA.
The power dissipation for this model is 1.5 W during normal operation.
Common applications include protection in medical devices, power supplies, motors, fans, security systems, and instrumentation.
The PolySwitch™ technology allows it to automatically reset after fault clearance, enabling maintenance-free operation with thousands of resets.
This resettable fuse is manufactured in India.
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