2SA1941

Single Bipolar Transistors Overview

The EVVO 2SA1941 is a silicon PNP power transistor designed for high-voltage, high-current applications. It features a minimum collector-emitter breakdown voltage of -140 V and supports a maximum collector current of 10 A. The device provides a DC current gain (hFE) ranging from 35 to 83 at 5 A and 55 to 160 at 1 A. With a transition frequency of 30 MHz and a junction-to-case thermal resistance of 0.35 °C/W, it is rated for 100 W power dissipation at 25°C case temperature. The component utilizes a TO-3PS package.

Single Bipolar Transistors Feature Summary

• Complementary pairing with the 2SC5198 NPN transistor
• High collector-emitter breakdown voltage capability
• Optimized for high-fidelity audio frequency amplifier output stages

Single Bipolar Transistors Applications

• High-fidelity audio frequency amplifier output stages
• Power amplifier circuits requiring high voltage handling
• Switching applications within absolute maximum ratings

Single Bipolar Transistors Procurement Notes

Verify the manufacturer designation as EVVO on the datasheet provided. Confirm the package type is TO-3PS and the part number matches 2SA1941. Ensure the electrical characteristics align with the specified minimum breakdown voltage of -140 V and current ratings. Check for RoHS compliance status if required by your design specifications.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with a minimum -140 V rating is required. It serves as the complementary pair to the 2SC5198. Consider the 100 W dissipation limit and the need for adequate heatsinking given the 0.35 °C/W thermal resistance. Verify that the application operates within the specified junction temperature range of -55°C to 150°C.

Single Bipolar Transistors Part Context

The 2SA1941 is a silicon PNP power transistor manufactured by EVVO. It belongs to a series of components designed for power amplifier applications. The device is characterized by its high voltage tolerance and current handling capabilities, making it suitable for demanding audio and switching environments.

Single Bipolar Transistors Replacement Considerations

The 2SC5198 is documented as the complementary NPN transistor for this device. No other direct substitute part numbers are confirmed in the provided documentation.