2SA1450T-AA

Single Bipolar Transistors Overview

The onsemi 2SA1450T-AA is a PNP epitaxial planar silicon transistor designed for high-speed switching applications. It features a low collector-to-emitter saturation voltage and large current capacitance, enabling efficient operation in compact designs. The component supports a maximum collector current of 3 A and a breakdown voltage of 12 V, with a maximum power dissipation of 0.55 W. It operates within a junction temperature range up to 150 °C and utilizes an SOT-89 surface-mount package.

Single Bipolar Transistors Feature Summary

• Low collector-to-emitter saturation voltage for improved efficiency
• High-speed switching capability suitable for rapid signal transitions
• Ultrasmall-sized package facilitating miniaturization of electronic sets

Single Bipolar Transistors Applications

• DC/DC converter circuits
• Relay drivers
• Lamp drivers
• Motor drivers

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'AA' against official datasheets to confirm pinout and electrical tolerances. Ensure the component meets RoHS compliance requirements if applicable to the target assembly. Cross-reference the manufacturer's latest documentation to confirm availability status, as older logic or discrete components may have discontinuation notices.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring compact PNP switching with moderate current handling. The SOT-89 package offers a balance between thermal performance and board space constraints. Consider the 12 V breakdown voltage limit when designing circuits with higher supply rails or inductive load kickback protection.

Single Bipolar Transistors Part Context

This device belongs to the family of PNP Epitaxial Planar Silicon Transistors manufactured by onsemi. These transistors are engineered using MBIT processes to achieve high allowable power dissipation and reliable performance in small form factors. They serve as key active elements in power management and driver stages.

Single Bipolar Transistors Replacement Considerations

Consult official substitution guides for equivalent PNP transistors in SOT-89 packages. Verify that alternative parts match the 3 A current rating and 12 V breakdown voltage specifications. Ensure pin compatibility and thermal characteristics align with the original design requirements.