Central Semiconductor Corp. Bipolar Transistors - BJT CMKT3946 TR

The CMKT3946 is a dual complementary surface-mount silicon transistor package containing one NPN and one PNP transistor for general-purpose switching and amplification, housed in an SOT-363 case. It has a maximum collector-emitter voltage of 40 V, a continuous collector current of 200 mA, and a power dissipation of 350 mW. The junction operating temperature range is -65 to +150 °C, with a thermal resistance of 357 °C/W. Electrical characteristics include hFE ranges from 30 to 300 depending on collector current, VCE(sat) up to 0.40 V, and transition frequency up to 300 MHz for the NPN. The device is marked with code K46 and meets RoHS standards for lead-free compliance.