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Littelfuse 0.25 A Resettable Fuse, 240 V AC DC, Radial Lead, Series LVR LVR025K-2
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 240, 240V ac |
| Brand | Littelfuse |
| Height | 18.8mm |
| Length | 9.6mm |
| Model | LVR025K-2 |
| Width | 3.8mm |
| Current Rating | 3.5A |
| Series | LVR |
| Maximum Operating Temperature | 85°C |
| Minimum Operating Temperature | -20°C |
| Trip Current | 560mA |
| Power Dissipation | 1.5W |
| Standards/Approvals | TUV, CSA, RoHS, UL |
| Time to Trip | 18.5s |
| Hold Current | 0.25A |
| Minimum Resistance | 1.3Ω |
| Maximum Resistance | 2.1Ω |
| Lead Orientation | Radial |
Key Features
- Automatically resets thousands of times, ensuring maintenance-free use.
- Radial lead orientation for easy PCB mounting.
- Fast trip time of 18.5 seconds to protect circuits.
- Low resistance design between 1.3Ω and 2.1Ω for efficient performance.
- Designed to operate in temperature range from -20°C to 85°C.
- Power dissipation rated at 1.5 W for durability.
- Complies with international standards including TUV, CSA, RoHS, and UL.
- Compact dimensions of 9.6 mm length, 18.8 mm height, and 3.8 mm width.
Product Description
Littelfuse LVR025K-2 is a resettable fuse designed for line voltage applications, rated at 240 V AC/DC and 0.25 A hold current, equipped with radial lead orientation for easy installation on PCBs.
This PolySwitch™ device belongs to the LVR series, offering fast response to overcurrent and overtemperature faults with a trip time of 18.5 seconds, protecting electronic and electrical circuits from damage.
Its compact and maintenance-free construction supports efficient operation in temperature ranges from -20°C up to 85°C, with power dissipation capability of 1.5 W, ensuring long service life.
The fuse exhibits low resistance between 1.3Ω and 2.1Ω, providing reliable circuit protection without significant voltage drop.
Certified under stringent international standards such as TUV, CSA, RoHS, and UL, the LVR025K-2 is suitable for industrial, medical, automotive, security, and consumer electronics.
Common applications include protection of medical equipment, motors, fans, security and fire alarms, transformers, USB hubs, and various instrumentation and control devices. Automatically resets thousands of times removing the need for fuse replacement.
Maintenance-free and compact size, eliminating fuseholder requirements. Radial lead configuration facilitates PCB mounting for streamlined assembly. Fast trip response protects devices from damaging surges and faults. Wide temperature tolerance ensures stable operation in diverse environments.
Compliant with multiple certifications guaranteeing safe and reliable usage. Supports protection for sensitive and critical electronic equipment in various sectors. Dimensions facilitate integration into tight spaces within assemblies.
Effective in security, automation, power supply, automotive, and medical device applications.
This Littelfuse Resettable Fuse offers a dependable solution to overcurrent protection challenges and is a valuable component in electrical, industrial automation, and consumer electronics equipment.
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Frequently Asked Questions
The hold current rating of this resettable fuse is 0.25 A.
The maximum operating temperature for this model is 85°C.
This fuse has a trip time of 18.5 seconds.
The dimensions of this model are 9.6 mm in length, 18.8 mm in height, and 3.8 mm in width.
This resettable fuse is rated for 240 V AC/DC.
The resistance of this fuse ranges from 1.3Ω to 2.1Ω.
This model complies with TUV, CSA, RoHS, and UL standards.
The power dissipation rating for this resettable fuse is 1.5 W.
The lead orientation of this model is radial, facilitating easy PCB mounting.
It can operate in a temperature range from -20°C to 85°C.
This resettable fuse is suitable for applications such as protection of medical equipment, motors, fans, and security systems.
The trip current for this fuse is 560 mA.
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