The TN1215-800H from STMicroelectronics is a robust silicon-controlled rectifier (SCR) designed to manage a wide range of applications requiring high bidirectional blocking voltage capability and high thermal cycling performance. This SCR is a perfect solution for applications that demand high surge capabilities, such as motor control circuits, over-voltage crowbar protection, capacitive discharge ignitions, and voltage regulation circuits.

Key Features

• Voltage Capacity: The TN1215-800H can withstand voltages up to 800V, making it suitable for applications requiring high operating voltages.
• Current Handling: With an average on-state current of 12A, this SCR can handle significant current loads, ensuring reliability in demanding situations.
• Surge Current: It boasts an impressive non-repetitive surge peak on-state current (ITSM) of 120A, providing excellent performance during surge conditions.
• Gate Trigger Current: A low gate trigger current (IGT) of less than 15mA simplifies the drive requirements, making it easier to trigger the SCR into conduction.
• Thermal Resistance: The TN1215-800H has a junction to ambient thermal resistance of 60 °C/W, ensuring efficient heat dissipation during operation.
• Package: Available in a TO-220AB package, it offers a compact form factor while still providing excellent thermal and electrical performance.

Applications

The versatile nature of the TN1215-800H SCR makes it suitable for a wide range of applications, including:

• Motor control for industrial machines
• Over-voltage protection in power supply units
• Ignition systems in automotive applications
• Regulatory circuits for voltage stabilization
• Controlled rectifier applications

STMicroelectronics' commitment to quality ensures that the TN1215-800H SCR is a reliable and efficient choice for designers and engineers looking to implement high-performance control and protection circuits in their systems.