STK5C4U331J-E

Overview

The STK5C4U331J-E is a hybrid inverter module designed for three-phase motor drive applications. It integrates a complete power stage within a compact SDIP-38 package, facilitating efficient thermal management and simplified PCB layout. The component operates with a supply voltage range of 12.5V to 17.5V and supports junction temperatures up to 150°C. With a maximum power dissipation of 11.3W, it provides robust performance for driving permanent magnet synchronous motors (PMSM), brushless DC (BLDC) motors, and AC induction motors.

Feature Summary

• Integrates a complete three-phase inverter power stage within a single hybrid module
• Includes built-in driver circuitry and cross-conduction protection mechanisms
• Features independent emitter connections for enhanced control flexibility

Applications

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

Procurement Notes

Verify current availability status as the part may be discontinued or subject to end-of-life notifications. Confirm RoHS compliance details and specific packaging requirements with authorized distributors. Ensure that the SDIP-38 through-hole mounting method aligns with your manufacturing capabilities. Review official onsemi documentation for any recent product change notices affecting this specific model.

Selection Notes

Select this module when a compact, integrated solution for three-phase motor control is required. The SDIP-38 package offers a balance between thermal performance and board space efficiency. Consider the 12.5V to 17.5V operating voltage range to ensure compatibility with your system's power supply. The integrated protection features reduce the need for external safety components.

Part Context

This component belongs to the STK5C4 series of intelligent power modules from onsemi. These modules are engineered specifically for motor drive applications, combining power semiconductors with control logic. The series is known for its reliability in industrial and automotive environments where compact size and high integration are critical design constraints.

Replacement Considerations

Check for direct substitutes within the STK5C4 family, such as the STK5C4U332J-E, which shares similar architectural characteristics. Verify pinout compatibility and electrical specifications before substitution. Consult official obsolescence notices to identify recommended alternative parts if this model is no longer in production.