MF-R800-005

Product Overview

Category

The MF-R800-005 belongs to the category of resettable fuses, also known as PTC (positive temperature coefficient) thermistors.

Use

It is used to protect electronic circuits from overcurrent and short-circuit conditions by limiting the flow of current in the event of a fault.

Characteristics

• Resettable: Can return to normal operation after the fault condition is removed.
• Self-protecting: Eliminates the need for replacement after a fault.
• Fast response time: Quickly limits the current to prevent damage to the circuit.
• Compact size: Suitable for space-constrained applications.

Package

The MF-R800-005 is typically available in tape and reel packaging for automated assembly processes.

Essence

The essence of the MF-R800-005 lies in its ability to provide reliable overcurrent protection while offering the convenience of automatic reset functionality.

Packaging/Quantity

It is commonly packaged in reels with quantities varying based on customer requirements.

Specifications

• Hold Current: 0.5A
• Trip Current: 1A
• Max Voltage: 30V
• Operating Temperature Range: -40°C to 85°C
• Resistance: 8Ω

Detailed Pin Configuration

The MF-R800-005 features two terminals for connection within the circuit. The pin configuration includes a clear indication of the input and output terminals, ensuring proper installation.

Functional Features

• Overcurrent Protection: Limits the current during fault conditions.
• Automatic Reset: Returns to normal operation once the fault is cleared.
• Reliable Operation: Provides consistent protection over multiple fault cycles.

Advantages and Disadvantages

Advantages

• Cost-effective alternative to traditional fuses.
• Eliminates the need for frequent fuse replacements.
• Compact size allows for integration into small form factor designs.

Disadvantages

• Limited maximum voltage compared to some non-resettable fuses.
• May have a slightly higher initial cost compared to standard fuses.

Working Principles

The MF-R800-005 operates based on the PTC effect, where its resistance increases significantly when the current exceeds the trip threshold. This effectively limits the current flow, protecting the circuit. Once the fault is removed, the device cools down and returns to a low-resistance state, allowing normal current flow.

Detailed Application Field Plans

The MF-R800-005 is widely used in various electronic devices and systems, including: - Consumer electronics - Automotive electronics - Industrial control systems - Telecommunications equipment

Detailed and Complete Alternative Models

• MF-R500-005
• MF-R1000-005
• MF-R1200-005

These alternative models offer different trip currents and hold currents to accommodate a wide range of application requirements.

In conclusion, the MF-R800-005 resettable fuse provides reliable overcurrent protection with the added benefit of automatic reset functionality, making it a valuable component in modern electronic designs.

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