2SD1757KT146Q

Single Bipolar Transistors Overview

The 2SD1757KT146Q is a single NPN bipolar junction transistor manufactured by Rohm Semiconductor. It features a collector-emitter voltage of 15V and a maximum collector current of 500mA. The device operates with a power dissipation of 200mW and reaches a transition frequency of 150MHz. It utilizes an SMT3 (SOT-346) surface-mount package. DC current gain ranges from 120 to 560 depending on the classification rank.

Single Bipolar Transistors Feature Summary

• Engineered for low collector-emitter saturation voltage, achieving typical values as low as 8mV under specific drive conditions.

Single Bipolar Transistors Applications

• Audio muting circuits

Single Bipolar Transistors Procurement Notes

Verify the exact ordering suffix against the official Rohm datasheet to confirm packaging specifications and tape-and-reel dimensions. Ensure that the selected component variant matches the required hFE classification rank for your specific circuit design constraints before finalizing procurement.

Single Bipolar Transistors Selection Notes

Select this component when a compact NPN transistor with a 15V rating and optimized saturation characteristics is required. Consider the available hFE ranks (Q, R, S) to ensure the gain meets the minimum requirements of the target application circuit.

Single Bipolar Transistors Part Context

This part belongs to the 2SD1757K series of power transistors designed for general-purpose switching and amplification in small signal applications. The KT146Q designation indicates the specific taping code and marking configuration used for automated surface-mount assembly processes.

Single Bipolar Transistors Replacement Considerations

BSR14

Single Bipolar Transistors FAQ

What is the typical collector-emitter saturation voltage?

The typical VCE(sat) is 8mV at IC/IB = 10/1mA.

How is the DC current gain classified?

The hFE is classified into ranks Q (120-270), R (180-390), and S (270-560).