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Bourns Resettable Fuse 0.25 A, 60V, Radial Leaded, Model MF-R025
Specifications
| Country of Origin | China |
|---|---|
| Voltage | 60V |
| Brand | Bourns |
| Height | 12.7mm |
| Length | 7.4mm |
| Model | MF-R025 |
| Width | 3.1mm |
| Current Rating | 40A |
| Series | MFR |
| Maximum Operating Temperature | 85°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 500mA |
| Power Dissipation | 0.45W |
| Standards/Approvals | RoHS, UL |
| Lead Diameter | 0.51mm |
| Time to Trip | 2.5s |
| Hold Current | 0.25A |
| Minimum Resistance | 1Ω |
| Maximum Resistance | 3Ω |
| Lead Orientation | Radial |
Key Features
- Automatically resets thousands of times after fault conditions are cleared.
- Rated for current carrying capacity up to 40 A and trip current at 500 mA.
- Compact size with dimensions 7.4 mm length, 12.7 mm height, and 3.1 mm width.
- Has power dissipation of 0.45 W and hold current of 0.25 A.
- Operates reliably between -40°C and 85°C temperature range.
- Radial lead orientation with 0.51 mm lead diameter for easy PCB mounting.
- Constructed with flame retardant epoxy polymer meeting UL 94V-0 standards.
- Complies with RoHS and UL certifications to ensure environmental and safety standards.
Product Description
Bourns MF-R025 Resettable Fuse is a high-quality electrical component rated at 0.25 A and 60V, featuring a radial leaded design suitable for PCB mounting. It provides effective overcurrent protection by rapidly switching from low to high resistance when exposed to electrical overloads or short circuits. This fuse automatically resets thousands of times without requiring replacement, making it maintenance free and highly reliable for various electronic applications.
Constructed from flame retardant epoxy polymer material, the device meets UL 94V-0 standards, ensuring excellent safety and durability. The fuse is designed for operating temperatures ranging from -40°C to 85°C, accommodating a wide range of environmental conditions in industrial and commercial settings.
With a physical size of 7.4 mm length, 12.7 mm height, and 3.1 mm width, the MF-R025 fits compact circuit assemblies and includes a lead diameter of 0.51 mm for radial lead orientation, simplifying assembly on circuit boards. The fuse offers a trip current of 500 mA and a current carrying rating of 40 A, making it suitable for protecting circuits up to 60 volts with power dissipation of 0.45 watts.
Main features include automatic resetting capability, no need for fuse holders due to its small size, and rapid response to fault conditions, protecting electrical and electronic circuits in multiple industries. Suitable applications include security systems, power supplies, automotive electronics, instrumentation and control systems, computers, audio visual equipment, and telecommunications.
The MF-R025 is compliant with key safety and environmental standards such as RoHS and UL, assuring reliable performance with minimal environmental impact. The fuse is manufactured in China under the MFR series, known for quality and consistent protection performance.
Automatic resettable fuse with high cycle durability. Compact radial leaded design for easy PCB integration. High current rating and rapid trip time enhance circuit protection. Flame retardant epoxy polymer construction.
Suitable for use in a broad range of industrial and commercial electronics applications. Explore more products within the Resettable Fuse category at EnvMart for all your circuit protection needs.
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Frequently Asked Questions
The current rating of this resettable fuse is 40 A.
The trip current for the MF-R025 is 500 mA.
This model has dimensions of 7.4 mm in length, 12.7 mm in height, and 3.1 mm in width.
It operates reliably between -40°C and 85°C.
The power dissipation for this resettable fuse is 0.45 W.
This model features a radial lead orientation with a lead diameter of 0.51 mm for easy PCB mounting.
It complies with RoHS and UL standards, ensuring safety and environmental compliance.
This fuse automatically resets thousands of times after fault conditions are cleared, making it maintenance-free.
The minimum resistance is 1Ω and the maximum resistance is 3Ω.
The time to trip for the MF-R025 is 2.5 seconds.
It is suitable for applications in security systems, power supplies, automotive electronics, instrumentation, computers, and telecommunications.
This resettable fuse is manufactured in China.
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