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Littelfuse 1.1 A Resettable Fuse 6V DC MicroSMD Surface Mount Technology MICROSMD110F-2
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 6V dc |
| Brand | Littelfuse |
| Height | 0.48mm |
| Length | 3.43mm |
| Model | MICROSMD110F-2 |
| Width | 2.8mm |
| Current Rating | 40A |
| Series | microSMD |
| Package Type | Reel |
| Minimum Operating Temperature | 85°C |
| Trip Current | 2.2A |
| Power Dissipation | 0.8W |
| Terminal Material | Matt Tin |
| Standards/Approvals | RoHS, CSA, TUV, UL |
| Time to Trip | 0.2s |
| Hold Current | 1.1A |
| Minimum Resistance | 0.07Ω |
| Maximum Resistance | 210mΩ |
Key Features
- This fuse features a trip current of 2.2 A and holds a current rating of 40 A.
- It operates at 6 V DC with a fast trip time of 0.2 seconds.
- Compact SMT footprint size 3225 (metric) 1210 (Imperial) facilitates space-saving designs.
- Constructed with matt tin terminal material for reliable connections.
- Power dissipation rating of 0.8 W with excellent resistance range from 0.07 Ω to 210 mΩ.
- Designed to operate and maintain functionality at temperatures up to 85°C.
- Packaged on a reel, suited for high-volume automated insertion processes.
- Typical applications include security systems, power supplies, automotive, medical equipment, instrumentation, and telecommunications.
Product Description
Littelfuse MICROSMD110F-2 is a 1.1 A resettable fuse designed for circuit protection in electronic devices operating at 6 V DC. It features the microSMD series SMT footprint size 3225 (metric) 1210 (Imperial) and offers maintenance-free automatic reset protection that activates when excessive current or short circuit is detected. The fuse rapidly switches to a high resistance state and resets once the fault condition clears and power is removed.
This compact device is built with matt tin terminals and offers a hold current of 1.1 A and a trip current of 2.2 A, ensuring reliable protection. Its power dissipation is rated at 0.8 W with a minimum resistance of 0.07 Ω and maximum resistance of 210 mΩ. It operates effectively at temperatures up to 85°C.
Supplied on a reel for easy automated PCB insertion, the MICROSMD110F-2 fuse is suited for use in security systems, power supplies and transformers, power switching devices, automotive and medical equipment, instrumentation, control systems, computers, peripherals, audiovisual, and telecommunications equipment.
This fuse protects circuits by switching rapidly from low to high resistance under overload conditions and automatically resets without replacement. Small SMT size reduces PCB real estate requirements and eliminates need for fuse holders.
Robust construction ensures thousands of resetting cycles under normal operating conditions. Meets RoHS, CSA, TUV, and UL standards for safety and quality compliance. Ideal for industrial, commercial, and laboratory electronic applications requiring reliable current limiting protection.
Explore the Resettable Fuses category for advanced circuit protection solutions at EnvMart.
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Frequently Asked Questions
The hold current rating of this fuse is 1.1 A.
The trip current for the MICROSMD110F-2 is 2.2 A.
It operates at 6 V DC.
The time to trip for this model is 0.2 seconds.
This fuse measures 3.43 mm in length, 2.8 mm in width, and 0.48 mm in height.
The power dissipation rating is 0.8 W.
The terminals are constructed with matt tin material.
The minimum resistance is 0.07 Ω and the maximum resistance is 210 mΩ.
It can operate at temperatures up to 85°C.
It meets RoHS, CSA, TUV, and UL standards for safety and quality compliance.
This fuse is packaged on a reel, suitable for high-volume automated insertion processes.
Typical applications include security systems, power supplies, automotive, medical equipment, instrumentation, and telecommunications.
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