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MF-RX135/72-2

MF-RX135/72-2

Product Overview

Category

The MF-RX135/72-2 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 operation
  • High resistance during overcurrent conditions

Package

The MF-RX135/72-2 is typically packaged in tape and reel for automated assembly processes.

Essence

The essence of the MF-RX135/72-2 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 1000 pieces per reel.

Specifications

  • Hold Current: 1.35A
  • Trip Current: 2.7A
  • Voltage Rating: 72V
  • Operating Temperature Range: -40°C to 85°C
  • Maximum Time-to-Trip: 20 seconds at 200% of rated current

Detailed Pin Configuration

The MF-RX135/72-2 typically has two pins for connection in the circuit. The pin configuration is as follows: - Pin 1: Connection point for one end of the circuit - Pin 2: Connection point for the other end of the circuit

Functional Features

  • Overcurrent Protection: The MF-RX135/72-2 provides protection by limiting the current flow in the circuit when an overcurrent condition is detected.
  • Self-Healing: After the overcurrent condition is removed, the device resets itself and resumes normal operation.

Advantages

  • Resettable: Eliminates the need for replacement after a fault condition, reducing maintenance costs.
  • Fast Response: Quickly limits the current during overcurrent events, protecting sensitive components.

Disadvantages

  • Limited Trip Current Range: May not be suitable for applications requiring higher trip currents.

Working Principles

The MF-RX135/72-2 operates based on the PTC effect, where its resistance increases significantly when the current exceeds the trip threshold. This increase in resistance limits the current flow, providing protection to the circuit.

Detailed Application Field Plans

The MF-RX135/72-2 is commonly used in various electronic circuits, including: - Power supplies - Battery management systems - Motor control circuits - LED lighting systems

Detailed and Complete Alternative Models

  • MF-RX110/72-2: Lower hold current variant
  • MF-RX160/72-2: Higher hold current variant
  • MF-RX135/60-2: Lower voltage rating variant

In conclusion, the MF-RX135/72-2 is a resettable fuse with specific hold and trip current ratings, designed to provide reliable overcurrent protection in electronic circuits. Its self-healing nature and fast response make it a preferred choice for various applications in the electronics industry.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق MF-RX135/72-2 في الحلول التقنية

  1. What is the MF-RX135/72-2 used for in technical solutions?

    • The MF-RX135/72-2 is a resettable fuse designed to protect against overcurrent and overtemperature conditions in various electronic circuits.
  2. What are the typical applications of the MF-RX135/72-2?

    • The MF-RX135/72-2 is commonly used in battery packs, power supplies, and other electronic devices where overcurrent protection is required.
  3. What is the maximum voltage and current rating of the MF-RX135/72-2?

    • The MF-RX135/72-2 has a maximum voltage rating of 72V and a maximum current rating of 135A.
  4. How does the MF-RX135/72-2 operate in response to overcurrent conditions?

    • When an overcurrent condition occurs, the MF-RX135/72-2 heats up and undergoes a reversible phase change, increasing its resistance and limiting the current flow.
  5. Can the MF-RX135/72-2 be used in automotive applications?

    • Yes, the MF-RX135/72-2 is suitable for use in automotive electronics, such as battery management systems and motor control units.
  6. What are the temperature limitations of the MF-RX135/72-2?

    • The MF-RX135/72-2 can operate within a temperature range of -40°C to 85°C, making it suitable for a wide range of environments.
  7. Is the MF-RX135/72-2 suitable for high-power applications?

    • Yes, the MF-RX135/72-2 is designed to handle high currents and is suitable for high-power applications such as industrial equipment and renewable energy systems.
  8. Does the MF-RX135/72-2 require any external components for operation?

    • No, the MF-RX135/72-2 is a standalone device and does not require any external components for its operation.
  9. Can the MF-RX135/72-2 be reset after tripping?

    • Yes, the MF-RX135/72-2 is a resettable fuse, and it can be reset by removing the fault condition and allowing it to cool down.
  10. Are there any specific mounting or installation requirements for the MF-RX135/72-2?

    • The MF-RX135/72-2 can be mounted on a PCB using standard surface mount techniques, and it requires adequate thermal management for optimal performance.