QST5TR

Single Bipolar Transistors Overview

The QST5TR is a PNP bipolar junction transistor manufactured by ROHM Semiconductor, designed for surface-mount applications in the TSMT6 (SC-95) package. It features a collector-emitter breakdown voltage of 30 V and supports a continuous collector current of 2 A. The device exhibits a transition frequency of 280 MHz and a power dissipation rating of 1.25 W. Key electrical characteristics include a collector-emitter saturation voltage of 370 mV at specified conditions, with a DC current gain ranging from 270 to 680. Operating temperatures extend up to +150 C.

Single Bipolar Transistors Feature Summary

• PNP configuration optimized for high-speed switching operations
• Integrated thermal management within compact SMD footprint
• High current handling capability for load driving tasks

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Driver stages for relay or motor loads
• Logic level translation interfaces

Single Bipolar Transistors Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status via official documentation. Ensure storage conditions maintain moisture sensitivity levels. Validate datasheet revisions against specific production batches prior to integration into final assembly processes.

Single Bipolar Transistors Selection Notes

Evaluate thermal resistance requirements against expected power dissipation profiles. Assess package compatibility with existing PCB layout constraints. Consider current gain variations across temperature ranges for circuit stability. Verify voltage ratings exceed peak operational transients to prevent device failure during dynamic switching events.

Single Bipolar Transistors Part Context

This component belongs to ROHM's discrete transistor portfolio, focusing on small-signal and medium-power applications. The TSMT6 package provides efficient heat dissipation relative to its physical size. It serves as a standard solution for designers requiring reliable PNP switching elements in consumer electronics and industrial control modules.

Single Bipolar Transistors Replacement Considerations

Cross-reference pinout configurations and electrical parameters when substituting. Verify package dimensions match existing footprints. Ensure replacement parts meet identical voltage and current specifications. Consult manufacturer guidelines for any functional differences in switching speeds.