2SC4061KT146N

Single Bipolar Transistors Overview

The 2SC4061KT146N is an NPN bipolar junction transistor manufactured by Rohm Semiconductor, designed for high-voltage applications. It features a collector-emitter breakdown voltage of 300V and a maximum collector current of 100mA. The device operates with a power dissipation rating of 200mW and supports a maximum junction temperature of 150°C. Key electrical characteristics include a DC current gain (hFE) ranging from 56 to 120 at 10mA, a transition frequency of 100MHz, and a low output capacitance of approximately 3pF. Packaged in the SMT3 (SOT-346) surface-mount format, it is optimized for chroma circuits and video signal amplification.

Single Bipolar Transistors Feature Summary

• High breakdown voltage capability up to 300V for robust operation
• Low collector output capacitance for improved signal integrity
• Optimized design specifically for chroma amplifier circuits

Single Bipolar Transistors Applications

• Chroma output stages
• Video signal amplification

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix against official Rohm documentation to ensure correct packaging and marking specifications. Confirm that the component meets the required environmental standards for the intended deployment environment. Cross-reference the datasheet revision date to ensure access to the most current electrical characteristic curves and absolute maximum ratings before finalizing procurement plans.

Single Bipolar Transistors Selection Notes

Select this component when a high-voltage NPN transistor is required for video processing or chroma signal handling. Ensure the application circuit can accommodate the 300V collector-emitter rating and the 200mW power dissipation limit under expected operating conditions. Verify that the SMT3 package dimensions align with the printed circuit board layout constraints and thermal management requirements.

Single Bipolar Transistors Part Context

This part belongs to the 2SC4061K series of chroma amplifier transistors produced by Rohm Semiconductor. The KT146N designation indicates the specific taping code and reel configuration for surface-mount assembly. The series is engineered to provide high reliability and consistent performance in consumer electronics and audio-visual equipment requiring precise signal amplification.

Single Bipolar Transistors Replacement Considerations

PMBTA42,215 is documented as a similar substitute part number.

Single Bipolar Transistors FAQ

What is the typical collector output capacitance?

The typical collector output capacitance is 3pF at VCB=30V.

What is the minimum DC current gain specified?

The minimum DC current gain (hFE) is 56 when measured at IC=10mA and VCE=10V.

What is the maximum junction temperature?

The maximum junction temperature is 150°C.