MJW21191

Single Bipolar Transistors Overview

The MJW21191G is a PNP silicon power transistor from onsemi, designed for high-power audio output applications. It utilizes perforated emitter technology to enhance thermal performance and reliability. The device features a maximum collector current of 8A, a collector-emitter voltage rating of -150V, and a total power dissipation capability of 100W. Packaged in a TO-247 case, it supports through-hole mounting with a three-pin configuration. The component operates within a junction temperature range of -65°C to +150°C, ensuring stability under demanding conditions.

Single Bipolar Transistors Feature Summary

• Utilizes perforated emitter technology for improved thermal management
• Designed specifically for high-power audio output stages
• Robust construction suitable for demanding analog applications

Single Bipolar Transistors Applications

• High-power audio amplifier output stages
• Analog signal processing circuits requiring high current handling
• Power supply output regulation

Single Bipolar Transistors Procurement Notes

Verify the specific suffix (e.g., G) when ordering, as it indicates lead-free status and RoHS compliance. Confirm package type compatibility during integration. Check manufacturer documentation for updated lifecycle status, as availability may vary. Ensure proper heat sinking is planned given the 100W dissipation rating. Validate pinout alignment with existing PCB footprints before finalizing procurement decisions.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring a PNP counterpart to NPN transistors like the MJW21194. Consider the 8A continuous current limit and 150V voltage rating against circuit demands. Evaluate thermal resistance requirements for the chosen heatsink solution. Compare gain characteristics with alternative devices if precise matching is critical for stereo pairs. Ensure the operating environment stays within the specified temperature limits.

Single Bipolar Transistors Part Context

This part belongs to onsemi's MJW series of complementary silicon power transistors. These devices are engineered for use in high-fidelity audio amplifiers where linearity and thermal stability are paramount. The series typically includes matched NPN and PNP pairs to facilitate balanced push-pull configurations in output stages.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers: MJW21193G.