2SD1940E

Single Bipolar Transistors Overview

The 2SD1940E is a single NPN bipolar junction transistor manufactured by onsemi. It features an 85 V collector-emitter voltage rating and supports a continuous collector current of 6 A. The device has a maximum power dissipation of 25 W and a transition frequency of 15 MHz. It operates at junction temperatures up to 150°C and utilizes a TO-220-3 Full Pack through-hole package.

Single Bipolar Transistors Feature Summary

• Single NPN bipolar junction transistor configuration
• Through-hole mounting via TO-220-3 Full Pack package
• High current handling capability up to 6 A
• Operational reliability at elevated junction temperatures

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Power amplification stages
• Industrial control systems

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure compatibility with required thermal and electrical specifications. Confirm that the TO-220-3 Full Pack package matches the target PCB footprint and thermal management requirements for the intended application design.

Single Bipolar Transistors Selection Notes

Select this component when an NPN BJT with 85 V blocking capability and 6 A current capacity is required. Ensure the system design accommodates the 25 W power dissipation limit and provides adequate heatsinking or airflow to maintain junction temperature within the specified 150°C maximum operating range.

Single Bipolar Transistors Part Context

This device belongs to onsemi's portfolio of discrete semiconductor components designed for power management and signal processing applications. It serves as a fundamental active element in electronic circuits requiring robust switching performance and moderate power handling capabilities across industrial and consumer electronics sectors.

Single Bipolar Transistors Replacement Considerations

Consult official cross-reference documentation for verified substitute part numbers from onsemi or other manufacturers. Ensure any replacement maintains identical pinout, voltage ratings, and package dimensions to guarantee direct interchangeability without circuit redesign.