2SAR544PT100

Single Bipolar Transistors Overview

The 2SAR544PT100 is a PNP bipolar junction transistor manufactured by ROHM Semiconductor. It operates with a collector-emitter voltage of -80V and supports a continuous collector current of -2.5A. The device features a DC current gain (hFE) ranging from 120 to 390 at 100mA and 3V. It has a power dissipation rating of 0.5W and a transition frequency of 280MHz. The component is housed in an MPT3 (TO-243AA/SOT-89-3) surface-mount package and is qualified under AEC-Q101 standards for automotive applications.

Single Bipolar Transistors Feature Summary

• Automotive-grade reliability certified under AEC-Q101 standards
• Low saturation voltage design optimized for driver transistor applications
• High current handling capability suitable for medium-power switching

Single Bipolar Transistors Applications

• Automotive electronic control units
• Driver circuits for high-side loads
• Medium-power switching applications

Single Bipolar Transistors Procurement Notes

Verify the specific suffix against official documentation, as ordering codes may indicate variations in packaging or tape-and-reel specifications. Confirm that the MPT3 package dimensions align with the target PCB footprint. Ensure compliance with RoHS directives if required by the end product. Check for any recent Product Change Notices regarding marking or material updates.

Single Bipolar Transistors Selection Notes

Select this component when an automotive-qualified PNP transistor is required for high-current switching. The -80V rating provides sufficient headroom for standard automotive systems. Compare the 0.5W power dissipation limit against thermal management capabilities in the final assembly. Consider the SOT-89 form factor for space-constrained designs requiring robust current handling.

Single Bipolar Transistors Part Context

This part belongs to the 2SAR series of PNP transistors designed for driver applications. It shares functional similarities with other members like the 2SAR544PHZG but differs in packaging and reel configuration. The series emphasizes low Vce(sat) performance to improve efficiency in power switching stages within automotive electronics.

Single Bipolar Transistors Replacement Considerations

The 2SAR544PHZGT100 is documented as a direct replacement with the same pinout and package. Verify electrical parameters match exactly before substitution.