2SB1205T-TL-E

Single Bipolar Transistors Overview

The onsemi 2SB1205T-TL-E is a PNP bipolar junction transistor designed for high-current switching applications. It features a maximum collector current of 3 A and a collector-emitter voltage rating of 100 V. The device utilizes the TP-FA surface-mount package, which provides a compact form factor with dimensions of 6.5 x 5.5 x 2.3 mm. Key electrical specifications include a maximum power dissipation of 20 W and a transition frequency of 1 MHz. The component supports a maximum operating temperature of +150 °C and includes a single internal chip configuration within a three-pin arrangement.

Single Bipolar Transistors Feature Summary

• Low collector-to-emitter saturation voltage for efficient power handling
• High transition frequency enabling fast switching performance
• Small and slim package design facilitating compact circuit layouts

Single Bipolar Transistors Applications

• Relay drivers
• High-speed inverters
• Converters
• General high-current switching applications

Single Bipolar Transistors Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and thermal characteristics. Ensure the supplier provides traceable documentation matching the manufacturer's part identification. Confirm compliance status and packaging details prior to integration into production workflows.

Single Bipolar Transistors Selection Notes

Select this component when high-voltage PNP switching is required in space-constrained designs. The low saturation voltage minimizes power loss during conduction. Evaluate thermal management requirements based on the 20 W dissipation rating and ambient operating conditions.

Single Bipolar Transistors Part Context

This transistor belongs to the 2SB1205 series from onsemi, engineered for robust performance in power electronics. The TP-FA package variant offers improved thermal conductivity compared to standard surface-mount options. It serves as a direct replacement for legacy components in industrial and consumer power supply architectures.

Single Bipolar Transistors Replacement Considerations

The 2SB1215S-TL-E is an officially documented similar product available from onsemi.