MF-RX185/72-0

Product Overview

Category

The MF-RX185/72-0 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 during overcurrent events

Package

The MF-RX185/72-0 is typically packaged in tape and reel for automated assembly processes.

Essence

The essence of the MF-RX185/72-0 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 quantity of 3000 units.

Specifications

• Hold Current: 1.85A
• Trip Current: 3.7A
• Maximum Voltage: 72V
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The MF-RX185/72-0 has two terminals, typically labeled as "P1" and "P2". The specific pin configuration is as follows: - P1: Input terminal - P2: Output terminal

Functional Features

• Overcurrent protection
• Automatic reset after fault condition removal
• Stable performance over a wide temperature range

Advantages

• Eliminates the need for replacement after a fault
• Provides reliable protection in various operating conditions
• Suitable for automated assembly processes

Disadvantages

• Limited to low voltage applications
• May exhibit higher resistance variation compared to traditional fuses

Working Principles

The MF-RX185/72-0 operates based on the principle of positive temperature coefficient. When an overcurrent condition occurs, the device self-heats, causing its resistance to increase and effectively limiting the current flow. Once the fault is removed, the device cools down and returns to its low-resistance state.

Detailed Application Field Plans

The MF-RX185/72-0 is commonly used in the following applications: - Battery protection in portable electronics - Overcurrent protection in USB power delivery systems - Protection of communication interfaces in consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the MF-RX185/72-0 include: - MF-RX110/72-0 - MF-RX250/72-0 - MF-RX185/60-0

In summary, the MF-RX185/72-0 is a resettable fuse with specific characteristics and functional features that make it suitable for various electronic circuit protection applications. Its self-healing nature and stable performance over temperature variations offer distinct advantages, although it may have limitations in high-voltage applications. Understanding its specifications and working principles is essential for effective integration into electronic designs.