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Bourns 8 A Resettable Fuse 30V Radial Leaded Epoxy Insulated MFR Series 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
- Rated hold current of 8 A for stable operation under normal loads.
- Trip current of 16 A for effective overload protection.
- Time to trip approximately 18.8 seconds during fault conditions.
- Compact dimensions with length 24.2mm, height 32.9mm, and width 3mm.
- Minimal resistance of 0.005Ω ensures low power loss during normal operation.
- Operates reliably in temperature range from -40°C to 85°C.
- Power dissipation rated at 4 W for efficient thermal performance.
- Leads have 0.81mm diameter and are radial oriented for easy PCB mounting.
Product Description
Bourns MF-R800 8 A Resettable Fuse is a precision-engineered component designed for protecting electrical and electronic circuits against excessive currents by automatically switching from a low resistance state to a high resistance state when an overload or short circuit occurs. It resets itself automatically thousands of times, making it maintenance-free and highly reliable for continuous use.
The fuse is rated at 30V voltage and 8 A hold current with a trip current of 16 A, featuring a typical time to trip of 18.8 seconds. This ensures it effectively protects sensitive equipment in diverse industrial applications including security systems, power supplies, transformers, power switching devices, automotive electronics, medical equipment, instrumentation, control systems, computers, peripherals, audio visual, and telecommunications devices.
Dimensionally compact with a length of 24.2 mm, height of 32.9 mm, and width of 3 mm, the fuse easily integrates into PCB designs via radial lead orientation with 0.81 mm lead diameter. The cured epoxy polymer body is flame retardant complying with UL 94V-0 requirements, guaranteeing robust insulation and safety.
Its small size and lack of fuseholder requirement enhance production efficiency and allow easy incorporation into machinery. Rated hold current: 8 A. Trip current: 16 A. Voltage rating: 30 V. Time to trip: 18.8 seconds. Dimensions: 24.2 x 3 x 32.9 mm (L x W x H).
Lead diameter: 0.81 mm, radial orientation. Power dissipation: 4 W. Operating temperature range: -40°C to 85°C. RoHS and UL compliant. Maintenance-free with automatic reset capability.
This resettable fuse is ideal for industrial, commercial, laboratory, and manufacturing settings requiring dependable circuit protection with rapid automatic reset functionality. It supports maintenance reductions and enhanced system safety, suitable for varied electrical and electronic equipment.
Explore the full range of Resettable Fuses and circuit protection components available at EnvMart to suit your project and operational requirements.
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Frequently Asked Questions
The rated hold current of this resettable fuse is 8 A, ensuring stable operation under normal loads.
The trip current for the MF-R800 model is 16 A, providing effective overload protection.
The typical time to trip during fault conditions is approximately 18.8 seconds.
The dimensions of this fuse are 24.2 mm in length, 32.9 mm in height, and 3 mm in width.
This model operates reliably within a temperature range of -40°C to 85°C.
The minimum resistance of the fuse is 0.005Ω, which ensures low power loss during normal operation.
The MF-R800 features radial lead orientation, which facilitates easy PCB mounting.
The power dissipation rating for this resettable fuse is 4 W, allowing for efficient thermal performance.
This fuse is compliant with RoHS and UL standards, ensuring it meets necessary safety and environmental regulations.
The lead diameter of the MF-R800 is 0.81 mm, suitable for standard PCB applications.
This resettable fuse is suitable for various applications including security systems, power supplies, automotive electronics, and telecommunications devices.
The maximum resistance of this fuse is 30 mΩ, which contributes to its low power loss characteristics.
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