BT158W-1200TQ

Scrs Overview

The BT158W-1200TQ is a planar passivated Silicon Controlled Rectifier (SCR) manufactured by WeEn Semiconductors. Housed in a TO-247 plastic package, this component is engineered for applications demanding high surge current capacity and robust thermal cycling performance. Key electrical parameters include a repetitive peak reverse/direct off-state voltage of 1200V, an average on-state current of 80A, and an RMS on-state current of 126A. It supports a non-repetitive peak on-state surge current of 1100A with a maximum gate trigger current of 70mA.

Scrs Feature Summary

• Utilizes advanced planar passivation technology for enhanced reliability
• Designed to withstand very high inrush current conditions
• Optimized for superior thermal cycling performance

Scrs Applications

• Motor control systems requiring high surge tolerance
• Industrial power conversion circuits
• High-voltage switching applications

Scrs Procurement Notes

Verify the specific orderable part number BT158W-1200TQ against official manufacturer documentation to ensure correct identification. Confirm that the TO-247 package variant matches your board layout requirements. Check for RoHS compliance status and lead-free plating specifications as indicated in the product qualification data before finalizing procurement.

Scrs Selection Notes

Select this device when the application requires a standard recovery SCR capable of handling significant thermal stress and high surge currents. The 1200V rating suits high-voltage AC or DC switching needs. Ensure the gate drive circuit can supply up to 70mA to guarantee reliable triggering under all operating conditions.

Scrs Part Context

This component belongs to the BT158W series of planar passivated SCRs from WeEn Semiconductors. It shares the same package and general design philosophy as the BT155W-1200TQ but offers higher current ratings. The series is positioned for industrial environments where durability under harsh electrical and thermal conditions is critical.

Scrs Replacement Considerations

Direct substitutes within the same family include the BT155W-1200TQ, though it has lower current ratings. Verify pinout compatibility and thermal characteristics when considering alternative manufacturers' equivalents.