MF-R050-0-99

Product Overview

Category

The MF-R050-0-99 belongs to the category of resettable fuses, commonly known as PTC (Positive Temperature Coefficient) thermistors.

Use

These resettable fuses are used to protect electronic circuits from overcurrent or short circuit conditions. They act as self-repairing circuit protection devices.

Characteristics

• Resettable: Unlike traditional fuses, the MF-R050-0-99 can return to its normal state after the fault condition is removed.
• Package: The MF-R050-0-99 is available in a compact surface mount package.
• Essence: It provides reliable overcurrent protection for sensitive electronic components.
• Packaging/Quantity: Typically packaged in reels, with varying quantities based on manufacturer specifications.

Specifications

• Hold Current: 0.5A
• Trip Current: 1A
• Voltage Rating: 30V
• Operating Temperature Range: -40°C to 85°C
• Maximum Time-to-Trip: 60 seconds at 25°C

Detailed Pin Configuration

The MF-R050-0-99 typically has two pins for surface mount installation. The specific pin configuration can be obtained from the manufacturer's datasheet.

Functional Features

• Overcurrent Protection: Automatically limits the current flow in the event of an overcurrent condition.
• Self-Recovery: Resets automatically once the fault is cleared, eliminating the need for replacement.

Advantages and Disadvantages

Advantages

• Self-repairing capability reduces downtime and maintenance costs.
• Compact size makes it suitable for space-constrained applications.

Disadvantages

• Limited trip current range compared to traditional fuses.
• Sensitive to ambient temperature variations.

Working Principles

The MF-R050-0-99 operates based on the PTC effect, where its resistance increases significantly when subjected to overcurrent conditions, limiting the current flow through the circuit. Once the fault is removed, the device cools down and returns to its low-resistance state.

Detailed Application Field Plans

The MF-R050-0-99 is widely used in various electronic devices such as power supplies, battery packs, and automotive electronics to provide overcurrent protection. Its self-recovery feature makes it particularly suitable for applications where frequent overcurrent events may occur.

Detailed and Complete Alternative Models

• MF-R030-0-99: Lower hold current variant for applications with lower current requirements.
• MF-R075-0-99: Higher hold current variant for applications with higher current requirements.

In conclusion, the MF-R050-0-99 resettable fuse offers reliable overcurrent protection with the added advantage of self-recovery, making it a valuable component in modern electronic systems.

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