The TS420-400B-TR is a state-of-the-art SCR (Silicon Controlled Rectifier) from STMicroelectronics, designed for optimal performance in a wide range of applications. This robust thyristor is a perfect solution for designers looking for a high-blocking voltage device capable of handling significant power levels. The TS420-400B-TR is particularly well-suited for applications such as motor control circuits, heater control systems, and overvoltage crowbar protection circuits.

Key Features

• High Blocking Voltage: The device is capable of withstanding voltages up to 400V, making it ideal for applications that require a high voltage threshold.
• On-State RMS Current: It offers an RMS current of up to 4A, ensuring reliable operation under substantial load conditions.
• Low Gate Trigger Current: The SCR has a low gate trigger current, which minimizes power loss and improves efficiency in the triggering circuit.
• Surge Current Capability: With its excellent surge current handling capabilities, the TS420-400B-TR can manage brief overcurrent events without damage.
• Repetitive Peak Off-State Voltage (VDRM/VRRM): This parameter ensures the device's reliability by preventing unintentional turn-on due to voltage fluctuations.

Applications

The TS420-400B-TR's robustness and reliability make it an excellent choice for various applications, including:

• Phase control operations in converters
• AC/DC motor control
• Industrial power tools
• Lighting and temperature control in home appliances
• Overvoltage protection in power supplies

Quality and Reliability

STMicroelectronics is renowned for its commitment to quality, and the TS420-400B-TR is no exception. Manufactured with precision and designed to meet stringent standards, this SCR ensures long-term reliability and performance. It is available in a surface-mount DPAK package, making it suitable for compact designs and automated assembly processes.

With its combination of high voltage capability, current handling, and efficient triggering, the TS420-400B-TR is a versatile component that provides designers with a reliable solution to meet the needs of modern electronic circuits.