2SB1205T-TL-EX

Single Bipolar Transistors Overview

The onsemi 2SB1205T-TL-EX is a PNP bipolar junction transistor (BJT) from the TP/TP-FA series. It features a maximum collector-emitter voltage of -50V and a continuous collector current of -5A. The device utilizes a surface-mount SOT-89 package, designed for low collector-to-emitter saturation voltage and high transition frequency. Key electrical parameters include a minimum DC current gain (hFE) of 100 and a maximum operating temperature of 150°C. It is qualified under RoHS standards and halogen-free compliance.

Single Bipolar Transistors Feature Summary

• Low collector-to-emitter saturation voltage for efficient switching
• High transition frequency (fT) enabling fast switching speeds
• Excellent linearity of hFE across operating ranges
• Compact SOT-89 package suitable for space-constrained designs

Single Bipolar Transistors Applications

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

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'TL-EX' against official datasheets to confirm tape-and-reel packaging and halogen-free status. Ensure compatibility with existing PCB footprints for the SOT-89 package. Confirm end-of-life or obsolescence status through manufacturer notifications before finalizing procurement plans.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring high current handling up to 5A with low saturation voltage. The SOT-89 package offers a balance between thermal performance and board space efficiency. Consider the -50V rating when designing circuits with higher voltage rails. Verify thermal management requirements for the chosen application environment.

Single Bipolar Transistors Part Context

This part belongs to onsemi's TP/TP-FA series of silicon PNP transistors. These devices are engineered for general-purpose high-current switching. The series emphasizes low VCE(sat) and high fT to support modern power management and signal inversion needs in compact electronic systems.

Single Bipolar Transistors Replacement Considerations

Direct substitutes may include the 2SD1803T-TL-H (NPN counterpart) or other -50V/-5A PNP transistors in SOT-89 packages from compatible manufacturers. Verify pinout and electrical characteristics match exactly before substitution.