The TYN688 is a high-performance silicon-controlled rectifier (SCR) manufactured by STMicroelectronics, a global semiconductor leader. This SCR is designed to suit a wide range of applications that require phase control operations in converters, power control in AC systems, and over-voltage protection in circuits. The TYN688 is particularly well-suited for applications where high bidirectional blocking voltage capability and high thermal cycling performance are required.

Key Features

• Voltage Capability: The TYN688 offers a high repetitive peak off-state voltage (VDRM/VRRM) of 800V, which makes it suitable for various applications in power control.
• Current Rating: This SCR can handle an average on-state current (IT(AV)) of 8A, ensuring reliable performance for medium power applications.
• Surge Current: It has a non-repetitive surge peak on-state current (ITSM) of up to 80A, providing robustness against short-term overloads.
• Gate Trigger Current: The TYN688 features a low gate trigger current (IGT), making it easier to trigger and enhancing its compatibility with control circuits.
• Thermal Resistance: The device has a low thermal resistance junction to case, ensuring efficient heat dissipation during operation.
• Package: Available in a TO-220 package, the TYN688 is designed for optimal heat dissipation and ease of mounting on heat sinks.

Applications

The versatility of the TYN688 SCR allows it to be used in a wide array of applications, including:

• Motor control circuits
• Industrial power tools
• Home appliances
• Lighting systems requiring dimming control
• Over-voltage crowbar protection
• Battery chargers

Quality and Reliability

STMicroelectronics is committed to delivering high-quality products. The TYN688 SCR is no exception, as it is manufactured with the highest standards to ensure reliable operation and a long service life. It is designed to meet the stringent requirements of industrial and consumer applications, ensuring that your circuits are protected and controlled with precision.