MF-R075-2 Product Overview

1. Introduction

The MF-R075-2 belongs to the category of resettable fuses and is widely used in electronic circuits for overcurrent protection. This entry provides a comprehensive overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

2. Basic Information Overview

• Category: Resettable Fuse
• Use: Overcurrent Protection in Electronic Circuits
• Characteristics: Resettable, Reliable, Compact
• Package: SMD (Surface Mount Device)
• Essence: Polymer PTC (Positive Temperature Coefficient) Resettable Fuse
• Packaging/Quantity: Reel/Tape, 3000 pieces per reel

3. Specifications

• Hold Current: 0.75A
• Trip Current: 1.5A
• Voltage Rating: 60V
• Operating Temperature Range: -40°C to 85°C
• Maximum Time-to-Trip: 20 seconds at 1.5A
• Resistance: <0.3Ω

4. Detailed Pin Configuration

The MF-R075-2 has two terminals for surface mount installation. The detailed pin configuration is as follows: - Pin 1: Input/Anode - Pin 2: Output/Cathode

5. Functional Features

• Resettable: Automatically resets after the fault condition is removed.
• Overcurrent Protection: Safeguards electronic circuits from excessive current.
• Compact Design: Space-saving SMD package for modern PCB layouts.

6. Advantages and Disadvantages

• Advantages:
  • Reliable Overcurrent Protection
  • Automatic Resetting
  • Compact Size
• Disadvantages:
  • Limited Voltage Rating
  • Trip Time Delay

7. Working Principles

The MF-R075-2 operates based on the principle of positive temperature coefficient. When an overcurrent condition occurs, the device's resistance increases, limiting the current flow. Once the fault is removed, the resistance decreases, allowing normal operation.

8. Detailed Application Field Plans

The MF-R075-2 is suitable for various applications, including: - Consumer Electronics - Automotive Electronics - Industrial Control Systems - Power Supplies - Telecommunications Equipment

9. Detailed and Complete Alternative Models

• MF-R050-0: 0.5A Hold Current, 1.0A Trip Current
• MF-R110-0: 1.1A Hold Current, 2.2A Trip Current
• MF-R150-0: 1.5A Hold Current, 3.0A Trip Current

In conclusion, the MF-R075-2 resettable fuse offers reliable overcurrent protection in a compact SMD package, making it suitable for a wide range of electronic applications.

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