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Bourns 8 A Resettable Fuse 30V Radial Leaded Protection Device MF-R800
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 30V |
| Brand | Bourns |
| Height | 32.9mm |
| Length | 24.2mm |
| Model | MF-R800 |
| Width | 3mm |
| Current Rating | 40A |
| Series | MFR |
| Maximum Operating Temperature | 85°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 16A |
| Power Dissipation | 4W |
| Standards/Approvals | RoHS, UL |
| Lead Diameter | 0.81mm |
| Time to Trip | 18.8s |
| Hold Current | 8A |
| Minimum Resistance | 0.005Ω |
| Maximum Resistance | 30mΩ |
| Lead Orientation | Radial |
Key Features
- Automatically resets itself thousands of times without replacement.
- Maintenance-free operation with compact size and no fuseholder required.
- Constructed with cured, flame retardant epoxy polymer meeting UL 94V-0.
- Provides protection for electrical and electronic circuits against excessive currents.
- Rapidly switches from low resistance state to high resistance during overload or short circuit.
- Automatically resets to low resistance after fault correction and power removal.
- Suitable for security systems, power supplies, transformers, and power switching devices.
- Also ideal for automotive, medical equipment, instrumentation, control, computers, and telecommunications.
Product Description
Bourns MF-R800 resettable fuse is a high-reliability circuit protection device rated at 8 A and 30 V, featuring a radial leaded design for easy PCB mounting. It is part of the MFR series that includes devices rated up to 40 A, with the MF-R800 specifically designed for applications requiring hold current of 8 A and trip current of 16 A.
This fuse offers rapid transition from a low resistance state to a very high resistance when there is an electrical overload or short circuit, preventing damage to sensitive circuits. The fuse is maintenance-free and can automatically reset thousands of times, reducing downtime and replacement costs.
Constructed from cured flame retardant epoxy polymer material meeting UL 94V-0 standards, the MF-R800 ensures safe and reliable operation at operating temperatures ranging from -40°C to 85°C. It dissipates power up to 4 W and features radial leads with a diameter of 0.81 mm for secure PCB connection.
Main applications include protection of security systems, power supplies, transformers, power switching devices, automotive electronics, medical devices, instrumentation, control equipment, computer peripherals, audio visual, and telecommunications systems.
Automatically resets thousands of times without replacement. No fuseholder required due to compact form factor. Cured flame retardant epoxy polymer construction. Meets RoHS and UL approvals for safety and environmental compliance.
Hold current of 8 A with trip current at 16 A and time to trip of 18.8 seconds. Compact dimensions: length 24.2 mm, height 32.9 mm, width 3 mm. Operating temperature range of -40°C to 85°C supports harsh environments. Ideal for electrical circuit protection in industrial, automotive, medical, and communications sectors.
This resettable fuse represents a robust solution for critical circuit protection enhancing system reliability across multiple industries. For more detailed devices and accessories, explore the comprehensive Resettable Fuse category at EnvMart.
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Frequently Asked Questions
The MF-R800 resettable fuse has a current rating of 8 A and a trip current of 16 A.
This model can operate at a maximum temperature of 85°C.
The dimensions of the MF-R800 are 24.2 mm in length, 32.9 mm in height, and 3 mm in width.
It is constructed from a cured flame retardant epoxy polymer that meets UL 94V-0 standards.
This resettable fuse can dissipate power up to 4 W.
The time to trip for this fuse is 18.8 seconds during an overload condition.
This resettable fuse is rated for a maximum voltage of 30 V.
The lead diameter for this model is 0.81 mm, designed for secure PCB connection.
The MF-R800 meets RoHS and UL approvals for safety and environmental compliance.
It is suitable for applications including security systems, power supplies, transformers, automotive electronics, and telecommunications.
The minimum operating temperature for the MF-R800 is -40°C.
No, this model does not require a fuseholder due to its compact form factor.
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