The X0403DE from STMicroelectronics is a high-performance, sensitive gate silicon-controlled rectifier (SCR) designed for use in a wide range of electronic applications. This SCR is particularly well-suited for phase control operations in light dimmers, motor controls, and various switching applications where high sensitivity is required.

Key Features

• Voltage Capacity: The device is capable of handling voltages up to 400V, making it suitable for medium voltage applications.
• Current Rating: With an on-state RMS current of 4A, the X0403DE can control a significant amount of power, suitable for various domestic and industrial uses.
• Sensitivity: Its gate trigger current is in the microampere range, which means it can be triggered with very low current signals, enhancing its application in sensitive control systems.
• Thermal Performance: The X0403DE is designed with a low thermal resistance package, ensuring efficient heat dissipation during operation.
• Package: Available in a TO-202 package, it is compact and suitable for PCB mounting, making it easy to integrate into various electronic circuits.

Applications

The versatility of the X0403DE SCR makes it an ideal choice for a multitude of applications. Its sensitive gate allows for direct interfacing with microcontrollers and other logic-level devices, which is particularly useful in:

• Control systems for lighting, including dimmers and switches.
• Motor control circuits for speed modulation and soft start functions.
• Overvoltage crowbar protection circuits.
• Small household appliances and power tools.

Reliability and Quality

STMicroelectronics is committed to delivering high-quality products. The X0403DE SCR is manufactured to meet stringent quality standards, ensuring reliable performance and longevity in your applications. It is a testament to STMicroelectronics' dedication to providing innovative semiconductor solutions that meet the needs of modern electronic designs.

For detailed specifications, application notes, and further information, customers are encouraged to visit STMicroelectronics' official website or contact their support team.