STK5C4U341J-E

Overview

The STK5C4U341J-E is a three-phase inverter hybrid integrated circuit manufactured by onsemi. It functions as an intelligent power module (IPM) designed for motor drive applications. The device integrates a three-phase IGBT power stage with dedicated driver circuits and protection features within a compact SDIP-38 package. This component is specifically engineered to control three-phase motors, including permanent magnet synchronous motors (PMSM), brushless DC (BLDC) motors, and AC induction motors.

Feature Summary

• Integrates a complete three-phase inverter power stage with independent emitter connections for enhanced thermal management and current sensing capabilities.
• Includes built-in cross-conduction protection mechanisms to prevent simultaneous switching of upper and lower bridge arms, ensuring operational safety.
• Combines high-voltage IGBT technology with low-voltage control logic in a single monolithic structure to simplify system design and reduce board space.

Applications

• Driving permanent magnet synchronous motors (PMSM)
• Controlling brushless DC (BLDC) motors
• Powering AC induction motors

Procurement Notes

Verify the current lifecycle status before procurement planning. Official documentation indicates this specific part number may be subject to discontinuance or temporary suspension. Confirm availability through authorized distributors and check for active replacement recommendations from onsemi to ensure long-term supply chain stability.

Selection Notes

Select this component when designing systems requiring integrated three-phase motor control with built-in protection. Ensure the application voltage and current requirements align with the IPM specifications. Consider the SDIP-38 package constraints for PCB layout and thermal dissipation strategies suitable for the intended motor load profile.

Part Context

This device belongs to onsemi's family of Intelligent Power Modules (IPMs) tailored for motor control. These modules consolidate power switching and gate driving functions, reducing the complexity of discrete component designs. The STK series typically targets industrial and consumer appliance applications where reliability and compact form factors are critical.

Replacement Considerations

Consult official onsemi documentation for confirmed substitute part numbers due to potential end-of-life status. Cross-reference pinouts and electrical characteristics carefully if considering alternative IPM families from other manufacturers.