STC08IE120HV

Overview

The STC08IE120HV is a high-voltage NPN Emitter Switched Bipolar Transistor (ESBT) manufactured by STMicroelectronics using Monolithic ESBT Technology. It features a collector-emitter voltage rating of 1200 V and a continuous collector current of 8 A. The device is housed in a TO-247-4L HV through-hole package, suitable for high-frequency applications. Key electrical parameters include a maximum power dissipation of 208 W, an on-state collector-emitter saturation voltage of 0.8 V at 8 A, and an internal resistance of 0.10 Ω. The component supports a maximum operating temperature of 150°C.

Feature Summary

• Monolithic ESBT technology optimized for high frequency and high voltage performance
• Designed specifically for gate-driven based topologies
• Integrated emitter switching capability for improved switching characteristics

Applications

• High frequency power conversion circuits
• Gate-driven topology implementations
• High voltage industrial power supplies

Procurement Notes

Verify the specific ordering suffix to ensure the correct package variant and tape/reel or tube packaging configuration matches the assembly requirements. Confirm that the thermal management solution accommodates the 208 W power dissipation rating under actual operating conditions. Ensure compatibility with gate drive voltages specified in the official datasheet to prevent overvoltage damage during switching transitions.

Selection Notes

Select this component when a high-voltage bipolar solution with low conduction losses is required for gate-driven architectures. The 1200 V rating provides sufficient headroom for medium-voltage AC/DC or DC/DC converters. Consider the TO-247-4L HV package for robust mechanical mounting and efficient heat sinking compared to smaller surface-mount alternatives.

Part Context

This part belongs to the ESBT series from STMicroelectronics, which combines the benefits of MOSFETs and IGBTs. The STC08IE120HV represents a high-power variant within this family, targeting applications where traditional IGBTs may suffer from higher switching losses or complex drive requirements. It serves as a specialized discrete power semiconductor rather than an integrated driver IC.

Replacement Considerations

Direct substitutes must match the 1200 V / 8 A rating and TO-247-4L HV package. Verify pinout compatibility, particularly the fourth lead configuration unique to ESBT devices. Cross-reference with other ST ESBT models such as the STC08DE150HP for similar performance profiles, ensuring voltage and current ratings meet or exceed the original design specifications.