2SA1576U3T106Q

Single Bipolar Transistors Overview

The 2SA1576U3T106Q is a PNP general-purpose small signal amplifier transistor manufactured by ROHM Semiconductor. It operates with a collector-emitter voltage of -50V and a maximum collector current of -150mA, housed in an SOT-323 (UMT3) surface-mount package. The device features excellent hFE linearity and a transition frequency of 140MHz at 2mA emitter current. DC current gain ranges from 120 to 390, classified under rank Q. Power dissipation is rated at 200mW, with a junction temperature limit of +150°C.

Single Bipolar Transistors Feature Summary

• Excellent hFE linearity for stable amplification performance
• Designed as a complementary pair to the 2SC4081U3 NPN transistor
• Suitable for general-purpose small signal amplifier applications

Single Bipolar Transistors Applications

• General purpose small signal amplifier circuits
• Complementary pairing with 2SC4081U3 transistors
• Low power audio or RF signal processing stages

Single Bipolar Transistors Procurement Notes

Verify the specific 'Q' ranking suffix against the official datasheet to confirm the required hFE range of 120 to 270. Confirm that the SOT-323 package type matches your PCB footprint requirements. Ensure the component meets RoHS compliance standards if applicable to your manufacturing process. Check for any automotive or specific application restrictions defined in the manufacturer's notice section before finalizing procurement.

Single Bipolar Transistors Selection Notes

Select this component when designing circuits requiring a PNP transistor with high current gain consistency. The excellent hFE linearity makes it suitable for applications demanding predictable amplification characteristics across varying collector currents. Consider its complementary relationship with the 2SC4081U3 for balanced push-pull configurations. Evaluate the -50V breakdown voltage to ensure it aligns with the circuit's operational limits.

Single Bipolar Transistors Part Context

This part belongs to the 2SA1576 series of general-purpose bipolar junction transistors. It shares electrical characteristics with variants such as the 2SA1576UB and 2SA1576U3, differing primarily in packaging and binning. The series is designed for standard electronic equipment rather than specialized automotive or medical applications. It serves as a common replacement for older discrete PNP transistors in consumer electronics designs.

Single Bipolar Transistors Replacement Considerations

The 2SC4081U3 is officially documented as a complementary match. Other compatible parts within the same family include the 2SA1576UB and 2SA1576U3. Verify pinout compatibility and thermal resistance differences when substituting these variants in existing designs.

Single Bipolar Transistors FAQ

What is the DC current gain classification for the 2SA1576U3T106Q?

The 'Q' suffix indicates an hFE rank of 120 to 270, measured at VCE = -6V and IC = -1mA.

Which NPN transistor is the 2SA1576U3T106Q designed to complement?

It is designed to complement the 2SC4081U3, sharing similar electrical characteristics for paired applications.

What is the maximum power dissipation rating for this component?

The maximum power dissipation is 200mW when mounted on a reference land at Ta = 25°C.