2SC4081UBTLR

Single Bipolar Transistors Overview

The ROHM Semiconductor 2SC4081UBTLR is an NPN general-purpose small signal amplifier transistor designed for surface-mount applications. It operates with a collector-emitter voltage of 50V and a continuous collector current of 150mA, housed in the compact SOT-323FL (UMT3F) package. The device features a low output capacitance of 2.0pF typical and a transition frequency of 180MHz. DC current gain ranges from 120 to 560 depending on the hFE rank classification.

Single Bipolar Transistors Feature Summary

• Low output capacitance for high-frequency performance
• Complements specific PNP transistors including 2SA2029 and 2SA1774EB
• Suitable for general-purpose small signal amplification

Single Bipolar Transistors Applications

• General purpose small signal amplifier circuits
• High-frequency signal processing
• Complementary pairing with specified PNP transistors

Single Bipolar Transistors Procurement Notes

Verify the exact ordering suffix against the manufacturer's official documentation to confirm packaging specifications and tape width. Confirm that the component meets RoHS compliance requirements for your specific manufacturing process. Ensure the selected hFE rank aligns with circuit design constraints before finalizing procurement orders.

Single Bipolar Transistors Selection Notes

Select this component when a compact NPN transistor with low output capacitance is required for small signal amplification. Consider the 150mA collector current limit and 50V breakdown voltage for circuit compatibility. Verify thermal dissipation capabilities within the SOT-323FL package relative to the expected operating conditions.

Single Bipolar Transistors Part Context

This part belongs to the 2SC4081 series of general-purpose small signal amplifiers manufactured by ROHM Semiconductor. The series includes variants with different packages such as SOT-323 and SC-105AA. The 2SC4081UB variant specifically utilizes the UMT3F package code for surface-mount integration.

Single Bipolar Transistors Replacement Considerations

The 2SC4081U3HZGT106Q is listed as a similar level replacement with the same pinout and package. Verify electrical characteristics match before substitution.