MF-R400

Product Overview

Category: Electronics
Use: Overcurrent Protection
Characteristics: Resettable Fuse
Package: SMD
Essence: Polymer PTC Resettable Fuse
Packaging/Quantity: Reel

Specifications

Hold Current: 0.4A
Trip Current: 0.8A
Max Voltage: 60V
Operating Temperature: -40°C to 85°C
Resistance: 0.6Ω

Detailed Pin Configuration

The MF-R400 has two pins, one on each side of the device. The pin configuration is as follows: - Pin 1: Connected to the positive terminal of the circuit - Pin 2: Connected to the negative terminal of the circuit

Functional Features

Overcurrent Protection: Automatically resets when fault condition is removed
Fast Trip Time: Provides quick protection against overcurrent events
SMD Package: Suitable for surface mount applications
Wide Operating Temperature Range: Can be used in various environmental conditions

Advantages and Disadvantages

Advantages: - Resettable functionality - Fast response time - Compact SMD package

Disadvantages: - Limited maximum voltage rating - May not be suitable for high-power applications

Working Principles

The MF-R400 is a polymer PTC resettable fuse that protects electronic circuits from overcurrent conditions. When an overcurrent event occurs, the resistance of the fuse increases rapidly, limiting the current flow and protecting the circuit. Once the fault condition is removed, the fuse resets to its original state.

Detailed Application Field Plans

The MF-R400 is commonly used in various electronic devices and systems, including: - Consumer electronics - Automotive electronics - Industrial control systems - Power supplies - Battery management systems

Detailed and Complete Alternative Models

MF-R005: 0.05A hold current
MF-R010: 0.10A hold current
MF-R200: 2.00A hold current
MF-R500: 5.00A hold current

In conclusion, the MF-R400 is a resettable fuse designed for overcurrent protection in electronic circuits. Its compact SMD package and fast trip time make it suitable for a wide range of applications, although its limited maximum voltage rating and power handling capabilities should be considered when selecting alternative models for specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MF-R400 v technických řešeních

Sure, here are 10 common questions and answers related to the application of MF-R400 in technical solutions:

Q: What is MF-R400? A: MF-R400 is a type of polymer positive temperature coefficient (PPTC) resettable fuse, designed to protect against overcurrent and overtemperature conditions in electronic circuits.
Q: What are the typical applications of MF-R400? A: MF-R400 is commonly used in battery packs, power supplies, and other electronic devices to provide overcurrent protection.
Q: What is the operating voltage range of MF-R400? A: MF-R400 typically operates within a voltage range of 6V to 60V, making it suitable for a wide variety of electronic applications.
Q: How does MF-R400 respond to overcurrent conditions? A: When an overcurrent condition occurs, MF-R400 heats up and its resistance increases, limiting the current flow and protecting the circuit.
Q: Can MF-R400 be reset after tripping? A: Yes, MF-R400 is a resettable fuse, meaning it can return to its original low-resistance state after the overcurrent condition is removed.
Q: What is the maximum hold current of MF-R400? A: The maximum hold current of MF-R400 is typically around 4A, but this may vary depending on the specific model and manufacturer.
Q: Is MF-R400 suitable for automotive applications? A: Yes, MF-R400 is often used in automotive electronics to protect against overcurrent and overtemperature events.
Q: What is the temperature range for operation of MF-R400? A: MF-R400 is designed to operate within a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.
Q: Can MF-R400 be used in high-power applications? A: While MF-R400 is suitable for many applications, it's important to check the datasheet and consult with the manufacturer to ensure compatibility with high-power scenarios.
Q: Are there any reliability concerns with using MF-R400 in technical solutions? A: MF-R400 is designed for reliable performance, but as with any component, proper design considerations and testing should be conducted to ensure its suitability for a specific application.