BT155K-1200TQ

Scrs Overview

The WeEn Semiconductors BT155K-1200TQ is a standard recovery Silicon Controlled Rectifier (SCR) thyristor designed for high-power applications. It features a maximum repetitive peak off-state voltage of 1200V and an on-state current rating of 79A. The device operates with a gate trigger current of 50mA and is housed in a TO-3P (SOT1259) through-hole package. It supports a maximum operating temperature of +150°C, ensuring reliable performance in demanding industrial environments requiring robust power control.

Scrs Feature Summary

• Standard recovery characteristics optimized for general-purpose power switching
• Robust TO-3P plastic package for efficient heat dissipation
• High thermal stability supporting operation up to +150°C

Scrs Applications

• Industrial motor drives
• Power supply systems
• Resistive load control circuits

Scrs Procurement Notes

Verify the specific suffix 'K' against the manufacturer's official datasheet to confirm the exact electrical parameters and pinout configuration. Ensure the procurement channel provides original components with traceable documentation to guarantee authenticity and compliance with technical specifications.

Scrs Selection Notes

Select this component when a standard recovery SCR is required for medium-to-high power applications. Consider the 1200V blocking capability and 79A current handling relative to system demands. Evaluate the TO-3P package constraints for mechanical mounting and thermal management requirements within the target design.

Scrs Part Context

This part belongs to the WeEn Semiconductors SCR family, which includes variants like the BT155W series. While sharing similar naming conventions, the BT155K-1200TQ specifically utilizes the TO-3P package, distinguishing it from other packages such as TO-247 found in related models. Always consult the specific datasheet for the K-series to avoid confusion with W-series specifications.

Scrs Replacement Considerations

Direct substitutes must match the 1200V rating, 79A current capacity, and TO-3P package. Verify that alternative SCRs offer compatible gate trigger currents and standard recovery times to ensure seamless integration without redesigning the drive circuitry.