STMicroelectronics Thyristor SCR TO-263 Package 600 V 25 A 15 mA Gate Trigger Current TN4015H-6G-TR

STMicroelectronics TN4015H-6G-TR is a high-performance silicon-controlled rectifier (SCR) thyristor designed for high reliability in power electronic applications. This surface mount device, housed in a TO-263 package, is rated for a repetitive peak off-state voltage (VDRM) of 600 V and an average on-state current of 25 A, making it suitable for demanding power control and switching circuits.

With a surge current rating of 394 A, it provides excellent transient current capabilities. The device features a maximum gate trigger current of 15 mA and a low peak on-state voltage of 1.6 V, ensuring efficient triggering and conduction. Its high junction temperature tolerance up to 150 °C and high noise immunity (dV/dt = 500 V/μs) enhance its robustness in adverse electrical environments.

This thyristor is ideal for industrial and commercial applications including overvoltage crowbar protection, motor control in power tools and kitchen appliances, inrush current limiters, capacitive discharge ignition systems, and voltage regulators. The surface mount TO-263 package supports effective heat dissipation and automated manufacturing processes.

Key features include three pins for easy PCB integration, maximum operating temperature of 150 °C, and a holding current of 60 mA, ensuring stable operation once triggered. It does not comply with automotive standards but is engineered for high-voltage and high-current control applications in industrial, laboratory, and commercial power electronics.

Rated average on-state current of 25 A ensures robust conduction capability. Repetitive peak reverse voltage of 600 V suitable for high-voltage applications. Surge current rating of 394 A provides high transient current tolerance.

Package type TO-263 enables surface mount mounting with three pins. Maximum operating temperature reaches up to 150°C for high-temperature reliability. Gate trigger current of 15 mA allows controlled triggering performance.

High noise immunity with dV/dt rating of 500 V/μs up to 150 °C. Low peak on-state voltage of 1.6 V minimizes conduction losses. Designed for applications like overvoltage crowbar protection and motor control circuits. Compact surface mount design aids automated PCB assembly.

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