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Littelfuse 0.75 A Resettable Fuse 60V Radial Lead, Power Dissipation 1.4W RKEF075
Specifications
| Country of Origin | China |
|---|---|
| Voltage | 60V |
| Brand | Littelfuse |
| Height | 12.2mm |
| Length | 7.87mm |
| Model | RKEF075 |
| Width | 3.56mm |
| Current Rating | 40A |
| Series | RKEF |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 1.5A |
| Power Dissipation | 1.4W |
| Standards/Approvals | CSA, TUV, UL, RoHS |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 712-7480Brand: LittelfuseManufacturers Part No.: RKEF075 |
| Time to Trip | 1.5s |
| Hold Current | 0.75A |
| Minimum Resistance | 0.2Ω |
| Maximum Resistance | 640mΩ |
| Lead Orientation | Radial |
Key Features
- Offers trip current of 1.5 A with hold current rating of 0.75 A.
- Rated for 60V voltage and power dissipation of 1.4 W.
- Radial lead type construction for easy PCB mounting.
- Wide operating temperature range from -40°C to 60°C.
- Automatically resets thousands of times without maintenance.
- UL, CSA, TUV, and RoHS approved for safety compliance.
- Ideal for use in power supplies, security systems, and automotive equipment.
Product Description
The Littelfuse RKEF075 is a 0.75 A resettable fuse designed for effective overcurrent protection in electrical and electronic circuits. It features a fast trip time of 1.5 seconds and a hold current of 0.75 A, operating at a voltage rating of 60V with power dissipation rated at 1.4 W. This radial lead type fuse measures 7.87 mm in length, 12.2 mm in height, and 3.56 mm in width, allowing compact installation on PCBs.
Engineered with Tyco PolySwitch™ PTC technology, the RKEF series is maintenance free and capable of automatically resetting thousands of times, providing reliable protection without the need for replacement. The fuse rapidly switches from a low resistance state to a high resistance level during electrical overloads or short circuits, and resets once the fault condition is cleared and power is removed.
This resettable fuse is UL, CSA, TUV, and RoHS certified, meeting stringent safety and environmental standards. The device performs reliably within a wide temperature range from -40°C to 60°C, making it suitable for diverse industrial and commercial applications such as power supplies, security systems, automotive electronics, instrumentation, and control equipment.
The radial lead construction facilitates easy PCB wire-ended mounting, eliminating the need for a fuse holder and saving space on circuit boards. It offers a quick reaction to fault conditions, protecting sensitive electronics from damage due to excessive current.
Trip current: 1.5 A. Hold current: 0.75 A. Voltage rating: 60 V. Power dissipation: 1.4 W. Dimensions: 7.87 mm (L) x 12.2 mm (H) x 3.56 mm (W). Operating temperature range: -40°C to 60°C. Radial lead orientation for PCB mounting.
Certified UL, CSA, TUV, and RoHS compliant.
This Littelfuse resettable fuse ensures enhanced circuit protection with automatic reset functionality, making it ideal for use in industrial, laboratory, automotive, and commercial electrical applications.
Explore more Resettable Fuses and related circuit protection products at EnvMart.
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Frequently Asked Questions
The trip current for the Littelfuse RKEF075 is 1.5 A.
This model has a hold current rating of 0.75 A.
It is rated for a voltage of 60 V.
The dimensions are 7.87 mm in length, 12.2 mm in height, and 3.56 mm in width.
The power dissipation is rated at 1.4 W.
It operates within a temperature range from -40°C to 60°C.
This model is certified by UL, CSA, TUV, and is RoHS compliant.
It automatically resets thousands of times without maintenance once the fault condition is cleared and power is removed.
The time to trip is 1.5 seconds.
The Littelfuse RKEF075 features a radial lead orientation for easy PCB mounting.
It is suitable for use in power supplies, security systems, automotive electronics, and instrumentation.
The minimum resistance is 0.2Ω and the maximum resistance is 640mΩ.
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