WeEn Semiconductors Co., Ltd Thyristor SCR 500 V 5 A TO-220 Package BT258X-500R,127

WeEn Semiconductors Co., Ltd BT258X-500R,127 is a high-performance Silicon Controlled Rectifier (SCR) thyristor designed for industrial and commercial power control applications. It features a TO-220 plastic package intended for through-hole mounting, delivering robust high bidirectional blocking voltage capability and excellent surge current handling.

This thyristor operates at a maximum repetitive peak reverse voltage of 500 V and supports an average on-state current of 5 A, making it suitable for use in phase control circuits and power switching equipment. Its surge current rating of 82 A enables it to withstand sudden transient load conditions without damage.

The device requires a very low maximum gate trigger current of 0.2 mA and a maximum gate trigger voltage of 1.5 V, enabling efficient triggering with minimal input power. It maintains conduction once triggered with a holding current up to 6 mA and exhibits a low peak on-state voltage drop of 1.6 V, reflecting efficient power handling and reduced thermal stress.

Designed to perform reliably in harsh environments, it operates over a wide temperature range from -40°C to 125°C, ensuring consistent operation in industrial, electrical, and automation systems.

The BT258X-500R,127 thyristor is ideal for applications including motor speed control, light dimming, temperature control systems, and power regulators in industrial settings and other electrical equipment requiring reliable switching mechanisms.

Rated average on-state current of 5 A provides stable conduction in power control. Repetitive peak reverse voltage rating of 500 V ensures high voltage endurance. Surge current capacity of 82 A enables robust transient current handling.

TO-220 package offers easy mounting and efficient thermal management. Low maximum gate trigger current of 0.2 mA minimizes control energy requirements. Choose from EnvMart’s extensive semiconductor selection for high-quality discrete power control components including the WeEn Semiconductors BT258X-500R,127 Thyristor.