Bourns Inc.
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MF-RX030/72-0
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MF-RX030/72-0 Product Overview

Introduction

The MF-RX030/72-0 is a cutting-edge electronic component that belongs to the category of resettable fuses. This product is designed to provide overcurrent protection in various electronic circuits and devices. In this entry, we will delve into the basic information overview, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the MF-RX030/72-0.

Basic Information Overview

  • Category: Resettable Fuse
  • Use: Overcurrent Protection
  • Characteristics: Resettable, Reliable, Compact
  • Package: SMD (Surface Mount Device)
  • Essence: Provides overcurrent protection in electronic circuits
  • Packaging/Quantity: Typically packaged in reels of 3000 units

Specifications

  • Rated Voltage: 72V
  • Hold Current: 0.3A
  • Trip Current: 0.6A
  • Maximum Operating Current: 40A
  • Operating Temperature Range: -40°C to 85°C
  • Resistance: <0.1Ω

Detailed Pin Configuration

The MF-RX030/72-0 features a standard SMD pin configuration with two terminals for easy integration into circuit boards.

Functional Features

  • Resettable: Automatically resets after the fault condition is removed
  • Reliable: Provides consistent overcurrent protection
  • Compact: Space-saving design for efficient circuit layout

Advantages and Disadvantages

Advantages

  • Resettable nature increases longevity
  • Reliable overcurrent protection
  • Compact size for space-constrained applications

Disadvantages

  • Limited maximum operating current compared to some non-resettable fuses
  • May have a slightly higher initial cost compared to traditional fuses

Working Principles

The MF-RX030/72-0 operates based on the principle of positive temperature coefficient (PTC) resistance. When an overcurrent condition occurs, the device heats up, causing its resistance to increase significantly, effectively limiting the current flow and protecting the circuit.

Detailed Application Field Plans

The MF-RX030/72-0 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-RX050/72-0: Higher hold and trip currents for heavier-duty applications
  • MF-RX020/72-0: Lower hold and trip currents for more sensitive circuits
  • MF-RX030/48-0: Similar specifications but with a lower rated voltage

In conclusion, the MF-RX030/72-0 resettable fuse offers reliable overcurrent protection in a compact and resettable package, making it an ideal choice for a wide range of electronic applications.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням MF-RX030/72-0 у технічних рішеннях

  1. What is MF-RX030/72-0?

    • MF-RX030/72-0 is a resettable fuse designed to protect against overcurrent and overtemperature conditions in various electronic circuits.

  2. What is the maximum voltage and current rating for MF-RX030/72-0?

    • The maximum voltage rating is 72V, and the maximum current rating is 3A.

  3. In what type of technical solutions can MF-RX030/72-0 be used?

    • MF-RX030/72-0 can be used in a wide range of technical solutions, including power supplies, battery packs, automotive electronics, and industrial control systems.

  4. How does MF-RX030/72-0 provide overcurrent protection?

    • MF-RX030/72-0 uses a polymer PTC (positive temperature coefficient) material that increases resistance when the current exceeds its rated value, effectively limiting the current flow.

  5. Can MF-RX030/72-0 be used in high-temperature environments?

    • Yes, MF-RX030/72-0 is designed to operate reliably in high-temperature environments, making it suitable for applications where elevated temperatures may be present.

  6. What is the typical response time of MF-RX030/72-0 to an overcurrent event?

    • The typical response time of MF-RX030/72-0 to an overcurrent event is very fast, providing rapid protection to the circuit.

  7. Is MF-RX030/72-0 suitable for use in battery charging circuits?

    • Yes, MF-RX030/72-0 is commonly used in battery charging circuits to protect against overcurrent and overtemperature conditions.

  8. Does MF-RX030/72-0 require any external components for proper operation?

    • No, MF-RX030/72-0 is a standalone device and does not require any external components for its operation.

  9. Can MF-RX030/72-0 be reset after tripping?

    • Yes, MF-RX030/72-0 is a resettable fuse, and it automatically resets once the fault condition is removed.

  10. Are there any specific soldering or mounting requirements for MF-RX030/72-0?

    • MF-RX030/72-0 can be soldered using standard reflow or wave soldering processes, and it can be mounted using conventional surface mount techniques.