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Littelfuse 0.5 A Resettable Fuse 15V DC Surface Mount Overcurrent Protection 1812L Series 1812L050PR
Specifications
| Country of Origin | China |
|---|---|
| Voltage | 15V dc |
| Brand | Littelfuse |
| Height | 0.75mm |
| Length | 4.73mm |
| Model | 1812L050PR |
| Width | 3.41mm |
| Current Rating | 100A |
| Series | 1812L |
| Maximum Operating Temperature | 85°C |
| Package Type | Reel |
| Minimum Operating Temperature | -40°C |
| Package Size | 1812 |
| Trip Current | 1A |
| Power Dissipation | 0.8W |
| Terminal Material | Tin Plated Copper |
| Standards/Approvals | RoHS |
| Time to Trip | 0.15s |
| Hold Current | 0.5A |
| Minimum Resistance | 0.15Ω |
| Maximum Resistance | 1Ω |
Key Features
- Surface mount technology saves space in electronic circuits.
- Automatic resettable PTC fuse ensures maintenance free protection for thousands of cycles.
- Compact 1812 package size ideal for tight circuit board layouts.
- Trip current of 1A and hold current of 0.5A with 0.15s time to trip.
- Tin plated copper terminals provide reliable connectivity.
- Wide operating temperature range from -40°C to 85°C suits harsh environments.
- Low power dissipation of 0.8W minimizes energy loss.
- Conforms to RoHS standards for environmental safety.
Product Description
Littelfuse 1812L050PR is a resettable PTC fuse designed for surface mount overcurrent protection in compact electronic applications. It operates at 15V DC with a hold current of 0.5 A and a trip current of 1 A to protect circuits by switching rapidly from low to high resistance during electrical faults.
This fuse is housed in the 1812L series package with compact dimensions (4.73mm length, 3.41mm width, and 0.75mm height) optimized for space-constrained PCB layouts. The tin-plated copper terminals ensure excellent solderability and reliable electrical contact.
The component features a fast trip time of 0.15 seconds and can withstand thousands of automatic reset cycles without maintenance, making it ideal for consistent protection in diverse environments. It functions effectively over a wide temperature range from -40°C up to 85°C, with minimal power dissipation at 0.8W.
Compliant with RoHS standards, this resettable fuse supports environmentally friendly manufacturing practices. Its small package size and reliable characteristics make it suitable for industrial, automotive, medical, telecommunications, instrumentation, and power supply applications.
Surface mount technology for compact circuit board integration. Maintenance-free automatic reset capability for repeated fault tolerance. Wide operating temperature range supports industrial and automotive use. Low resistance during normal operation ensures minimal voltage drop.
RoHS compliant and environmentally friendly construction. Suitable for protecting power supplies, security systems, and electronic peripherals.
EnvMart offers this Littelfuse resettable fuse as part of comprehensive electronic protective solutions. Explore more Resettable Fuses and circuit protection devices to safeguard your electronic designs with reliability and efficiency.
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Frequently Asked Questions
The hold current rating of this resettable fuse is 0.5 A.
The trip current for the Littelfuse 1812L050PR is 1 A.
This model has a time to trip of 0.15 seconds.
It operates effectively over a temperature range from -40°C to 85°C.
The dimensions of this resettable fuse are 4.73 mm in length, 3.41 mm in width, and 0.75 mm in height.
It features tin-plated copper terminals for reliable connectivity and excellent solderability.
Yes, this resettable fuse conforms to RoHS standards for environmental safety.
The power dissipation for the Littelfuse 1812L050PR is 0.8 W.
This resettable fuse is packaged in a reel format, suitable for surface mount technology.
The Littelfuse 1812L050PR can withstand thousands of automatic reset cycles without maintenance.
This model is suitable for protecting power supplies, security systems, and electronic peripherals in various environments.
The minimum resistance is 0.15 Ω and the maximum resistance is 1 Ω during operation.
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