2SD1445AQ

Single Bipolar Transistors Overview

The Panasonic 2SD1445AQ is a silicon NPN epitaxial planar power transistor designed for power amplification, power switching, and low-voltage switching applications. It features a TO-220F-A1 package with a full-pack design allowing direct heat sink installation via a single screw. The device supports a maximum collector current of 10 A and peak collector current of 20 A, with a collector-emitter voltage rating of 40 V and collector-base voltage of 50 V. It offers a transition frequency of 120 MHz and complies with the RoHS Directive.

Single Bipolar Transistors Feature Summary

• Low collector-emitter saturation voltage for efficient power handling
• High-speed switching capabilities suitable for rapid signal transitions
• Satisfactory linearity of forward current transfer ratio hFE
• Full-pack package enabling direct mounting to a heat sink with one screw

Single Bipolar Transistors Applications

• Power amplification circuits
• Power switching systems
• Low-voltage switching applications

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'AQ' against official Panasonic documentation to confirm its exact meaning regarding rank classification or packaging format. Ensure the component matches the required hFE rank (P, Q, or R) as defined in the datasheet specifications. Confirm compliance with the RoHS Directive and check the latest product lifecycle status on the manufacturer's website before procurement.

Single Bipolar Transistors Selection Notes

Select this component when high collector current up to 10 A and robust thermal management are required. The TO-220F-A1 package facilitates easy integration into designs needing direct heat sink attachment. Consider the complementary 2SB0948A PNP transistor for push-pull configurations. Evaluate the transition frequency and switching times against the specific circuit speed requirements.

Single Bipolar Transistors Part Context

The 2SD1445A belongs to Panasonic's series of silicon NPN epitaxial planar transistors. It is specifically engineered for power applications requiring high current handling and efficient thermal dissipation. The device is part of a broader lineup that includes complementary PNP types, such as the 2SB0948A, to support complete amplifier and switching solutions.

Single Bipolar Transistors Replacement Considerations

The datasheet identifies the 2SB0948A as the complementary PNP type. Verify pinout compatibility and electrical ratings if substituting with other NPN power transistors from different manufacturers.