The 2STA1943 is a high-performance PNP transistor designed by STMicroelectronics, a global semiconductor leader known for its innovative and reliable products. This power transistor is specifically engineered to handle high power and current, making it an ideal choice for a wide range of applications, including power supply, audio amplifiers, and switching applications.

Key Features

• High Current Capability: The 2STA1943 is capable of handling high levels of current, which is essential for applications that require a robust power handling capacity.
• Low Collector-Emitter Saturation Voltage: This feature allows for efficient operation with lower power losses, making the 2STA1943 an energy-efficient solution for power circuits.
• Complementary NPN Type Available: The transistor has a complementary NPN partner, the 2STC5242, allowing for use in push-pull and other balanced configurations.
• High Frequency Performance: With excellent transition frequency characteristics, this transistor can be used in high-speed switching applications.
• Durable and Reliable: Built with STMicroelectronics' commitment to quality, the 2STA1943 is designed to withstand demanding conditions and provide a long operational lifespan.

Applications

The versatility of the 2STA1943 PNP transistor allows it to be used in a variety of applications, some of which include:

• Linear and switching industrial equipment
• Audio power amplifiers
• Power management solutions
• DC-DC converters
• Automotive and transportation technology

Technical Specifications

Parameter Value Collector-Emitter Voltage (V<sub>CEO) 250 V Collector Current (I<sub>C) 15 A Power Dissipation (P<sub>C) 150 W Transition Frequency (f<sub>T) 30 MHz Operating Junction Temperature (T<sub>j) -65 to 150 °C

For detailed information on the 2STA1943, including datasheets, technical documentation, and application notes, please visit the STMicroelectronics official website or contact your local ST sales office.