2N5401

Overview

The 2N5401 is a PNP silicon small-signal transistor manufactured by Shenzhen Slkormicro Semicon Co., Ltd. It features a maximum collector-emitter voltage of 150 V and a maximum collector current of 500 mA. The device has a maximum power dissipation of 225 mW and a transition frequency of 300 MHz. It is housed in an SOT-23 surface-mount package with three terminals.

Feature Summary

• PNP bipolar junction transistor configuration
• High voltage capability for signal switching
• Surface-mount SOT-23 packaging

Applications

• General-purpose signal switching
• Low-power amplifier circuits
• Electronic control systems

Procurement Notes

Verify the manufacturer designation as Shenzhen Slkormicro Semicon Co., Ltd. against official documentation. Confirm the specific suffix indicates the SOT-23 package variant, distinct from through-hole equivalents. Ensure the component status is active before procurement planning.

Selection Notes

Select this component for applications requiring a compact PNP switch with 150 V breakdown. The SOT-23 form factor suits space-constrained designs. Verify thermal management requirements for the 225 mW dissipation limit in the target enclosure environment.

Part Context

This part belongs to the standard NPN/PNP small-signal transistor family. It serves as a discrete semiconductor solution for low-power electronic circuits. The specification aligns with common industry standards for general-purpose switching applications.

Replacement Considerations

Cross-reference with MMBT5401 for identical electrical characteristics and pinout compatibility within the SOT-23 package.