BUL58D

Single Bipolar Transistors Overview

The BUL58D is a high-voltage fast-switching NPN power transistor manufactured using Multi Epitaxial Planar technology. It is designed for applications requiring high switching speeds and high voltage withstand capability, such as lighting systems and low-cost switch-mode power supplies. The device features an integrated antiparallel collector-emitter diode and is fully characterized at 125 °C to ensure reliable operation with minimum lot-to-lot spread and low dynamic parameter variation.

Single Bipolar Transistors Feature Summary

• High voltage capability utilizing Multi Epitaxial Planar technology
• Very high switching speed suitable for demanding power applications
• Integrated antiparallel collector-emitter diode
• High ruggedness with low spread of dynamic parameters

Single Bipolar Transistors Applications

• Lighting applications
• Low cost switch-mode power supplies

Single Bipolar Transistors Procurement Notes

Verify the specific part number against official STMicroelectronics documentation to confirm availability and specifications. Ensure compatibility with intended thermal and electrical requirements before procurement. Cross-reference datasheets for accurate pinout and absolute maximum ratings.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring robust high-voltage switching performance. Consider the integrated diode feature for simplified circuit topology in power supply applications. Evaluate thermal management needs given the characterization temperature rating.

Single Bipolar Transistors Part Context

The BUL series comprises high-voltage bipolar PNP-NPN transistors with voltage ratings up to 500 V. These devices are engineered for reliability and performance in power electronics, leveraging advanced epitaxial processes to achieve superior switching characteristics compared to standard planar technologies.

Single Bipolar Transistors Replacement Considerations

Consult official cross-reference tools or manufacturer guidelines for verified substitutes. Ensure any replacement matches the voltage rating, current capacity, and package type.