2SC4081T106R

Single Bipolar Transistors Overview

The ROHM Semiconductor 2SC4081T106R is an NPN general-purpose small signal amplifier transistor housed in a SOT-323 (UMT3) surface-mount package. It supports a maximum collector current of 150 mA and a collector-emitter voltage of 50 V, with a power dissipation rating of 200 mW. The device features a transition frequency of 180 MHz and a typical output capacitance of 2.0 pF. DC current gain ranges from 120 to 560 depending on the hFE rank.

Single Bipolar Transistors Feature Summary

• Low output capacitance for efficient high-frequency performance
• Designed as a complementary pair to specific PNP transistors including the 2SA2029 and 2SA1774EB series

Single Bipolar Transistors Applications

• General purpose small signal amplification
• Complementary pairing with specified PNP transistors

Single Bipolar Transistors Procurement Notes

Verify the exact ordering suffix against the manufacturer's official datasheet to confirm the specific hFE binning and packaging configuration. Confirm that the component meets RoHS compliance requirements for your target market. Ensure the selected variant matches the required thermal and electrical specifications for the intended circuit design.

Single Bipolar Transistors Selection Notes

Select this component when a compact NPN amplifier with moderate voltage handling and low parasitic capacitance is required. Consider the available hFE ranks to ensure proper biasing stability. Verify compatibility with the designated complementary PNP devices if used in push-pull or differential configurations.

Single Bipolar Transistors Part Context

This part belongs to the 2SC4081 family of general-purpose small signal transistors manufactured by ROHM Semiconductor. The family includes variants with different packages such as SOT-323FL and SC-70, offering flexibility for various surface-mount applications while maintaining consistent core electrical characteristics.

Single Bipolar Transistors Replacement Considerations

Direct substitutes within the same family include the 2SC4081UBTLR and 2SC4081U3T106R. These alternatives share similar electrical ratings but may differ in physical package dimensions or hFE classification bins.