High-performance Thyristor-diode/SCR-diode module SKKH250/SKKH330, facilitating the upgrade of power control
Thyristor-diode module (Scr-diode module) is a stable and reliable core component in the industrial power electronics field. Among them,SKKH250 and SKKH330 are two modules in the Semikron size standard, which are widely used in various power control devices due to their excellent adaptability and durability.
The SCR-diode module is packaged by welding, integrating the core units of thyristors and diodes, and has excellent electrical tolerance, wide voltage coverage range, and strong current carrying capacity. It can cope with complex working conditions in industrial equipment during daily stable operation. The two modules are designed according to the Semikron size standard, with compact packaging and standardized dimensions, which perfectly fit existing Semikron series equipment and similar compatible devices. They can be quickly replaced without additional modifications, significantly reducing equipment maintenance and upgrade costs.
SKKH250 and SKKH330 M4 modulesare the core models. The SKKH250 module has a rated on-state current of 250A, and the reverse repetitive peak voltage can reach up to 1600V. It has low thermal resistance and good heat dissipation performance, suitable for high-power scenarios such as AC motor control and furnace regulation. The SKKH330 module has a rated on-state current of 330A, with stronger load carrying capacity and anti-interference performance, widely used in power regulators, UPS systems, and rail transit traction control, etc., in harsh scenarios.
Our company uses imported chips and welding processes. The working temperature range covers -40℃ to 125℃, and the insulation level complies with international standards. It can operate stably in harsh industrial environments such as high temperature, high humidity, and vibration, effectively reducing equipment downtime due to failures. Its low on-state voltage drop design can significantly reduce energy loss and improve the efficiency of the entire power system, providing strong support for enterprises to achieve energy conservation and consumption reduction. Currently, these two modules have been widely used in industrial automation, power control, and renewable energy fields, winning market recognition with their stable performance.










