The TYN412RG is a robust and reliable silicon-controlled rectifier (SCR) manufactured by STMicroelectronics, a global semiconductor leader. This SCR is designed to handle a current of up to 12A and can withstand voltages up to 400V, making it an ideal choice for a broad range of applications requiring high surge capabilities and on-state current density.

Key Features

• High Surge Capability: The TYN412RG is capable of withstanding high surge currents, which makes it suitable for applications that experience short-term overvoltages, ensuring reliability and longevity of the device.
• On-state RMS Current: With an RMS current rating of 12A, this SCR can handle significant continuous current, making it versatile for various power control applications.
• Repetitive Peak Off-state Voltage: A maximum repetitive peak off-state voltage (VDRM/VRRM) of 400V provides a good safety margin for applications with high voltage requirements.
• Gate Trigger Current: The device has a specified gate trigger current (IGT) that ensures reliable triggering of the SCR under different conditions.
• Low Holding Current: The holding current is low, which helps to reduce power dissipation and improve efficiency in the circuit.
• High Immunity to dV/dt: The TYN412RG exhibits high immunity to rapid changes in voltage (dV/dt), protecting the circuit from unintended triggers.

Applications

The versatility of the TYN412RG SCR allows it to be used in a wide range of applications, including:

• Motor control circuits
• Overvoltage crowbar protection
• Power supplies for professional equipment
• Regulated power supplies
• Industrial and domestic lighting dimmers
• Solid-state relays

Product Summary

The TYN412RG from STMicroelectronics is a powerful SCR that combines high surge capability with a high on-state current, and it is suitable for a variety of power control applications. Its robust design and electrical characteristics ensure performance and reliability, making it a preferred choice for designers and engineers in the field of power electronics.