MF-RX250/72-0

Product Overview

Category

The MF-RX250/72-0 belongs to the category of resettable fuses or PTC (Positive Temperature Coefficient) thermistors.

Use

It is used as a protection device in electronic circuits to limit overcurrent and prevent damage to sensitive components.

Characteristics

• Resettable
• Self-healing
• Low resistance in normal operating conditions
• High resistance in overcurrent conditions
• Compact size

Package

The MF-RX250/72-0 is typically packaged in tape and reel for automated assembly processes.

Essence

The essence of the MF-RX250/72-0 lies in its ability to provide reliable overcurrent protection without the need for replacement after a fault condition.

Packaging/Quantity

It is commonly available in reels containing a specific quantity, such as 2000 pieces per reel.

Specifications

• Maximum Voltage: 72V
• Hold Current: 2.5A
• Trip Current: 5A
• Operating Temperature Range: -40°C to 85°C
• Dimensions: 3.2mm x 2.5mm x 1.6mm

Detailed Pin Configuration

The MF-RX250/72-0 has two terminals for connection in the circuit. The pin configuration is as follows: - Pin 1: Input/Anode - Pin 2: Output/Cathode

Functional Features

• Overcurrent Protection: The MF-RX250/72-0 responds to overcurrent conditions by increasing its resistance, limiting the current flow.
• Self-Healing: After the fault condition is removed, the device returns to a low-resistance state, allowing normal operation to resume.

Advantages

• Resettable: Eliminates the need for replacement after a fault condition, reducing maintenance efforts and costs.
• Fast Response: Quickly reacts to overcurrent events, providing effective protection to the circuit.

Disadvantages

• Limited Trip Current Range: The trip current range may not be suitable for high-power applications.
• Temperature Sensitivity: Performance may vary with temperature changes, requiring careful consideration in extreme environments.

Working Principles

The MF-RX250/72-0 operates based on the PTC effect, where its resistance increases with temperature rise due to overcurrent, effectively limiting the current flow through the circuit.

Detailed Application Field Plans

The MF-RX250/72-0 is commonly used in various electronic devices and systems, including: - Battery protection in portable electronics - USB power delivery circuits - Motor drive circuits - LED lighting systems

Detailed and Complete Alternative Models

• MF-RX200/72-0
• MF-RX300/72-0
• MF-RX250/48-0
• MF-RX250/60-0

In summary, the MF-RX250/72-0 is a resettable fuse with specific characteristics and functional features that make it suitable for protecting electronic circuits from overcurrent events. Its compact size and self-healing properties contribute to its widespread use in diverse applications.

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