Fusible MELF Wirewound Resistors

Introduction

The Fusible MELF Wirewound Resistors, manufactured by TT Electronics, are specialized components designed for applications requiring reliable performance under varying conditions. These resistors are recognized for their ability to fuse under overload conditions, providing an added layer of safety in electronic circuits.

Part Description

The Welwyn / TT Electronics Fusible MELF Wirewound (FMW) Resistors are UL-recognized components that come in a compact SMD MELF format. They are engineered to withstand fast inrush energies of up to 1.7J and have a continuous power rating of 1W. With a temperature coefficient of resistance (TCR) of ±200ppm/°C, these resistors are designed to minimize fusing times during low power overloads, making them ideal for applications that require quick response times. Their resistance values start from as low as 1Ω, catering to low quiescent power loss requirements.

Applications

• Power supplies
• White goods controllers
• Building control systems
• Cordless product chargers

Industries

• Consumer Electronics
• Home Appliances
• Industrial Automation
• Telecommunications

Usage Ideas

1. Power Supply Design: Utilize FMW resistors in the design of a compact power supply circuit to ensure safe operation under overload conditions.
2. Smart Home Controllers: Implement these resistors in smart home devices to enhance the reliability of controllers managing various appliances.
3. Battery Charger Circuits: Integrate FMW resistors in cordless product chargers to provide protection against potential overloads, ensuring safe charging of batteries.

Conclusion

The Fusible MELF Wirewound Resistors from TT Electronics are versatile components that offer both reliability and safety in various electronic applications. Their unique design and features make them suitable for a wide range of industries, ensuring that devices operate efficiently and safely under different conditions. Whether in power supplies or consumer electronics, these resistors are an excellent choice for engineers looking to enhance the performance and safety of their designs.