HSMW MELF Resistors
Manufacturer
Part #
Category
TT Electronics HSMW0309-100RJT2 PassivesDescription
Welwyn / TT Electronics High Surge MELF Wirewound (HSMW) Resistors withstand up to 6.5J fast inrush energies with a 1W continuous power rating in a compact SMD MELF format. These surge tolerant resistors deliver up to 3.8kV of protection against 1.2µs/50µs lightning surges and feature failsafe mains fusing at 120VRMS/240VRMS. Typical applications include power supplies, white goods controllers, building control systems, and cordless product chargers.
HSMW MELF Resistors: A Comprehensive Overview
Introduction
The HSMW MELF Resistors from TT Electronics are high-performance components designed to withstand significant electrical stress while maintaining reliability. These resistors are particularly suited for applications requiring surge tolerance and compact design.
Part Description
The HSMW MELF Resistors are wirewound resistors that can handle up to 6.5J of fast inrush energy with a continuous power rating of 1W. Their compact SMD MELF format allows for easy integration into various electronic circuits. These resistors provide up to 3.8kV of protection against lightning surges lasting 1.2µs/50µs, making them ideal for environments where electrical surges are common. Additionally, they feature failsafe mains fusing at 120VRMS/240VRMS, ensuring safety and reliability in operation.
Applications
- Power supplies
- White goods controllers
- Building control systems
- Cordless product chargers
Industries
- Consumer electronics
- Home appliances
- Industrial automation
- Telecommunications
Usage Ideas
- Surge Protection in Power Supplies: Utilize the HSMW MELF Resistors in power supply circuits to protect sensitive components from voltage spikes and surges.
- Smart Home Controllers: Integrate these resistors into smart home devices to enhance the reliability of controllers managing lighting and HVAC systems.
- Battery Charger Circuits: Implement the HSMW MELF Resistors in cordless product chargers to ensure safe operation and protect against inrush currents during charging cycles.
Conclusion
The HSMW MELF Resistors from TT Electronics are a robust solution for applications requiring high surge tolerance and compact design. Their unique features make them suitable for a variety of industries and applications, ensuring reliable performance in demanding environments. Whether for consumer electronics or industrial automation, these resistors provide the necessary protection and efficiency for modern electronic designs.