BC309B TIN/LEAD

Single Bipolar Transistors Overview

The BC309B is a silicon PNP small-signal transistor manufactured by Central Semiconductor Corp. It utilizes a TO-92 leaded package with tin/lead terminal plating. The device is rated for a maximum collector-emitter voltage of 45 V and a continuous collector current of 100 mA. Power dissipation capabilities are defined within the component's thermal constraints, supporting operation in standard signal processing environments.

Single Bipolar Transistors Feature Summary

• Utilizes silicon planar technology for reliable small-signal amplification
• Designed for general-purpose switching and linear applications
• Features a through-hole TO-92 package suitable for manual or automated insertion

Single Bipolar Transistors Applications

• General-purpose amplifier circuits
• Switching applications in low-power logic interfaces
• Audio signal processing stages

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer designation, as Central Semiconductor part numbers may overlap with other vendors. Confirm the tin/lead termination finish matches legacy compliance requirements. Ensure the TO-92 package variant aligns with board space constraints. Cross-reference datasheet electrical limits against circuit demands to prevent overstress.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring a PNP silicon transistor with moderate voltage ratings. Verify that the 100 mA current limit satisfies load requirements. Consider thermal management if operating near maximum power dissipation. Ensure compatibility with existing assembly processes for leaded components.

Single Bipolar Transistors Part Context

This component belongs to the family of small-signal bipolar junction transistors. It serves as a fundamental active element in analog and digital circuits. The TO-92 form factor remains common in prototyping and legacy equipment maintenance.