MMST5551HE3-TP

Single Bipolar Transistors Overview

The MMST5551HE3-TP is an NPN small-signal bipolar junction transistor manufactured by Micro Commercial Components. It utilizes silicon technology and is housed in a surface-mount SOT-323-3 package. The device supports a maximum DC collector current of 600 mA with a collector-emitter breakdown voltage of 160 V and a collector-base voltage of 180 V. Power dissipation is rated at 200 mW, and the transition frequency reaches 100 MHz. The component operates within a temperature range of -55°C to +150°C.

Single Bipolar Transistors Feature Summary

• High voltage capability suitable for switching applications
• Compact surface-mount packaging for automated assembly
• Wide operating temperature range for diverse environments

Single Bipolar Transistors Applications

• General-purpose signal amplification
• Electronic switching circuits
• Driver stages for low-power loads

Single Bipolar Transistors Procurement Notes

Verify the specific suffix HE3-TP against official Micro Commercial Components documentation to confirm RoHS compliance and halogen-free status. Ensure the SOT-323-3 footprint matches the target PCB design. Confirm availability through authorized distributors as supply status may vary by region.

Single Bipolar Transistors Selection Notes

Select this component when high voltage isolation is required in a compact form factor. The 160V rating exceeds standard general-purpose transistors. Verify that the 200mW power dissipation limit accommodates the thermal design of the final application without excessive heat sinking.

Single Bipolar Transistors Part Context

This part belongs to the MMST5551 series of NPN transistors from Micro Commercial Components. It shares electrical characteristics with the MMBT5551 but differs in physical packaging. The SOT-323-3 case provides a smaller profile compared to the SOT-23 variant, facilitating denser circuit board layouts.

Single Bipolar Transistors Replacement Considerations

The MMBT5551-TP offers identical electrical specifications but uses an SOT-23-3 package. Verify pinout compatibility and thermal performance differences before substituting. Other generic NPN transistors require careful evaluation of voltage and current margins.