MMSTA56T146

Single Bipolar Transistors Overview

The MMSTA56T146 is a PNP bipolar junction transistor manufactured by ROHM Semiconductor, housed in an SOT-346-3 surface-mount package. It features a maximum collector-emitter voltage of 80 V and a continuous collector current rating of -500 mA. The device has a power dissipation capacity of 350 mW and a transition frequency of 50 MHz. Key electrical parameters include a DC current gain (hFE) minimum of 100 at -100 mA and -1 V, with a collector-emitter saturation voltage of 250 mV. The component supports operating temperatures up to +150°C.

Single Bipolar Transistors Feature Summary

• PNP polarity configuration for single-transistor applications
• Integrated within compact SOT-346-3 surface-mount footprint
• High thermal stability supporting elevated operating temperatures

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Low-voltage signal amplification stages
• Driver interfaces for low-power loads

Single Bipolar Transistors Procurement Notes

Verify the NRND status carefully before integration, as this designation indicates the component is not recommended for new designs. Confirm that existing supply chains can sustain long-term production needs. Ensure the SOT-346-3 package dimensions align with the target PCB layout constraints. Validate RoHS compliance documentation against specific regional regulatory requirements prior to final procurement authorization.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with 80 V breakdown voltage and 500 mA current capability is required in a small surface-mount form factor. Consider the 50 MHz transition frequency for moderate-speed switching or amplification tasks. Evaluate the 350 mW power dissipation limit against thermal management strategies in the final assembly to ensure reliable operation under load conditions.

Single Bipolar Transistors Part Context

This part belongs to the MMSTA56 series of small-signal transistors from ROHM Semiconductor. It utilizes silicon technology and is designed for general electronic applications requiring compact packaging. The T146 suffix denotes the specific reel-based tape and reel packaging format used for automated surface-mount assembly processes.

Single Bipolar Transistors Replacement Considerations

Consult official ROHM documentation for direct cross-references. Verify pinout compatibility and electrical parameter equivalence if substituting with other PNP transistors in the SOT-346-3 package.