2SA1900T100Q

Single Bipolar Transistors Overview

The 2SA1900T100Q is a single PNP silicon bipolar junction transistor manufactured by ROHM Semiconductor. It features an MPT3 (TO-243AA) surface-mount package with the collector connected to the case. Key electrical ratings include a maximum collector current of 1 A, a collector-emitter breakdown voltage of 50 V, and a power dissipation capacity of 2 W. The device exhibits a transition frequency of 150 MHz and a minimum DC current gain of 120 at 500 mA. It supports a maximum operating junction temperature of +150°C.

Single Bipolar Transistors Feature Summary

• High-speed switching capability for efficient circuit operation
• Low saturation voltage characteristics for reduced power loss
• Robust discharge power handling for inductive and capacitive loads

Single Bipolar Transistors Applications

• Low-frequency amplifier circuits
• High-speed switching applications
• Driver stages for inductive loads

Single Bipolar Transistors Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status and REACH SVHC declarations against current regulatory requirements. Validate that the MPT3 package marking matches official datasheet specifications. Ensure storage conditions adhere to moisture sensitivity level guidelines prior to soldering.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring a PNP transistor with 50V rating and 1A continuous current capability in a compact SMD form factor. Consider the 2W power dissipation limit and thermal management needs for the MPT3 package. Verify compatibility with existing NPN counterparts like the 2SC5824 if complementary pairs are required.

Single Bipolar Transistors Part Context

This part belongs to the 2SA1900 series of middle-power transistors from ROHM Semiconductor. It serves as a PNP counterpart to NPN devices within similar performance classes. The MPT3 package provides a cost-effective solution for general-purpose switching and amplification tasks where moderate current handling is sufficient.

Single Bipolar Transistors Replacement Considerations

Publicly confirmed substitute part numbers include 2SAR513P5T100 and BSR31,115. Verify pinout compatibility and electrical parameter overlaps before implementation.

Single Bipolar Transistors FAQ

What is the maximum collector-emitter voltage for the 2SA1900T100Q?

The maximum collector-emitter breakdown voltage (VCEO) is 50 V.

Is the collector terminal connected to the package case?

Yes, the MPT3 package design connects the collector directly to the metal tab for improved thermal dissipation.

What is the typical saturation voltage at high current?

The datasheet specifies a low saturation voltage, typically around 400 mV at specific test currents, ensuring efficient switching performance.