2SA1943

Single Bipolar Transistors Overview

The EVVO 2SA1943 is a silicon PNP power transistor housed in a TO-3PL package. It features a collector-emitter voltage of -230V and a maximum collector current of 7A. The device supports a collector power dissipation of 180W at 25°C case temperature, with a transition frequency of 28MHz. DC current gain is specified as 70 to 140 at IC=-5A and VCE=-4V. The saturation voltage is -0.5V under standard test conditions.

Single Bipolar Transistors Feature Summary

• Designed for high-fidelity audio frequency amplifier output stages
• Complementary pairing with the 2SC5200 NPN transistor
• High collector voltage rating of 230V minimum

Single Bipolar Transistors Applications

• Power amplifier applications
• 100-W high-fidelity audio frequency amplifier output stage

Single Bipolar Transistors Procurement Notes

Verify the manufacturer designation on the component marking against the datasheet specifications. Confirm the package type is TO-3PL and check the product code matches the ordering information provided. Ensure the electrical characteristics align with the required circuit parameters before integration into the design.

Single Bipolar Transistors Selection Notes

Select this component for circuits requiring a PNP power transistor with high voltage handling capabilities. Consider the thermal resistance and power dissipation limits when designing heat sinking solutions. Verify that the complementary 2SC5200 is available if a push-pull configuration is intended for the audio amplifier application.

Single Bipolar Transistors Part Context

This component is a silicon PNP transistor designed primarily for power amplification tasks. It is part of a complementary pair often used in high-fidelity audio equipment. The TO-3PL package provides robust mechanical stability and thermal performance suitable for high-power applications.

Single Bipolar Transistors Replacement Considerations

The 2SC5200 is documented as the complementary NPN transistor for this device. No other direct substitute part numbers are confirmed in the provided documentation.