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Littelfuse Surface Mount Resettable Fuse 33V dc 1.1A Hold Current 1812L110/33MR
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 33V dc |
| Brand | Littelfuse |
| Height | 2mm |
| Length | 4.73mm |
| Model | 1812L110/33MR |
| Width | 3.41mm |
| Current Rating | 20A |
| Series | 1812L |
| Maximum Operating Temperature | 85°C |
| Package Type | Reel |
| Minimum Operating Temperature | -40°C |
| Package Size | 1812 |
| Trip Current | 1.95A |
| Power Dissipation | 0.8W |
| Terminal Material | Tin Plated Copper |
| Standards/Approvals | RoHS |
| Time to Trip | 0.5s |
| Hold Current | 1.1A |
| Minimum Resistance | 0.06Ω |
| Maximum Resistance | 200mΩ |
| RS PRO 1.1 A Resettable Fuse, 33V dcRS Stock No. | 279-6755Brand: RS PRO |
Key Features
- Provides surface mount overcurrent protection in a compact 1812 size.
- Trip current is 1.95A with a hold current of 1.1A for effective circuit protection.
- Features rapid switching from low to high resistance during fault conditions and automatic reset.
- Built with tin plated copper terminals and supports power dissipation of 0.8W.
- Operates reliably between -40°C and 85°C temperature range.
- Maintenance-free design suitable for thousands of reset cycles.
- Ideal for use in security systems, power supplies, automotive, medical, instrumentation, and telecom equipment.
Product Description
Littelfuse 1812L110/33MR is a surface mount resettable fuse designed for overcurrent protection in electrical and electronic circuits requiring a compact footprint with automatic reset functionality. It supports a hold current of 1.1A and is rated for 33V dc operation, protecting circuits from overloads effectively.
This fuse features rapid transition to a high resistance state within 0.5 seconds at a trip current of 1.95A, ensuring fast response to short circuits or excessive currents while automatically resetting after fault clearance and power removal.
Constructed with tin plated copper terminals, the 1812L series provides excellent electrical conductivity and solderability. The device dissipates up to 0.8W of power and operates reliably within the temperature range of -40°C to 85°C, making it suitable for diverse environments.
The fuse’s small 1812 package size allows installation in applications where space is limited without requiring additional fuse holders. Maintenance-free operation enables thousands of automatic reset cycles, enhancing reliability and reducing downtime.
Common industrial and commercial applications include security systems, power supplies, transformers, power switching devices, automotive electronics, medical equipment, instrumentation, and telecommunications.
Provides surface mount overcurrent protection in a compact 1812 size. Trip current of 1.95A with hold current of 1.1A ensures robust protection. Automatic reset feature eliminates the need for fuse replacement. Wide operating temperature from -40°C to 85°C for diverse conditions.
Tin plated copper terminals for excellent conductivity and durability. Maintenance-free design suitable for thousands of reset cycles. Power dissipation rating of 0.8W supports reliable performance. Ideal for security, automotive, medical, instrumentation, and telecom applications.
Explore EnvMart for a wide range of Littelfuse Resettable Fuses and related circuit protection devices to meet your industrial and commercial engineering needs.
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Frequently Asked Questions
The hold current rating of this resettable fuse is 1.1A.
The trip current for this model is 1.95A.
The maximum operating temperature for this fuse is 85°C.
The minimum operating temperature of this model is -40°C.
The power dissipation rating for the 1812L110/33MR is 0.8W.
This resettable fuse has dimensions of 4.73mm in length, 3.41mm in width, and 2mm in height.
This model is constructed with tin plated copper terminals, providing excellent electrical conductivity.
The time to trip for this resettable fuse is 0.5 seconds.
This fuse is suitable for applications in security systems, power supplies, automotive electronics, medical equipment, instrumentation, and telecommunications.
This resettable fuse complies with RoHS standards.
The package type for this model is Reel, which is suitable for surface mount applications.
This resettable fuse features a maintenance-free design that supports thousands of reset cycles.
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