MJ802

Single Bipolar Transistors Overview

The MJ802 is a silicon epitaxial-base NPN power transistor manufactured by STMicroelectronics. It is housed in a TO-3 metal case and designed for general-purpose power applications. The device features a maximum collector-emitter voltage of 90 V, a continuous collector current of 30 A, and a total power dissipation rating of 200 W. It utilizes a through-hole mounting style suitable for high-current environments.

Single Bipolar Transistors Feature Summary

• Utilizes silicon epitaxial-base technology for robust power handling capabilities
• Housed in a JEDEC TO-3 metal case for effective thermal management
• Designed as an NPN Darlington power transistor for high-gain switching

Single Bipolar Transistors Applications

• General purpose power switching circuits
• High current load driving applications
• Industrial power control systems

Single Bipolar Transistors Procurement Notes

Verify component status carefully before procurement. The MJ802 is classified as obsolete and no longer manufactured by the original equipment manufacturer. Sourcing this part requires checking secondary market availability or identifying qualified replacement components that meet the required electrical specifications and package dimensions.

Single Bipolar Transistors Selection Notes

Select this component only if legacy compatibility with the TO-3 metal package is strictly required. Ensure the application design accounts for the specific 90 V and 30 A limits. Consider modern alternatives if space constraints or surface-mount requirements exist, as the TO-3 form factor is bulky compared to contemporary plastic packages.

Single Bipolar Transistors Part Context

The MJ802 belongs to the family of complementary silicon epitaxial-base power transistors, paired with the MJ4502 PNP variant. These devices are engineered for durability in demanding power electronics environments, offering high current gain and thermal stability within a traditional metal can enclosure.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers include 2N5671 from Microchip Technology. Verify pinout compatibility and thermal resistance characteristics when transitioning to alternative suppliers.