PDTC143Z series - NPN resistor-equipped transistors; R1 = 4.7 kΩ, R2 = 47 kΩ TO-236 3-Pin
TRANS PREBIAS NPN 250MW TO236AB
PDTC143T series - NPN resistor-equipped transistors; R1 = 4.7 kOhm, R2 = open TO-236 3-Pin
Trans Digital BJT NPN 50V 100mA 250mW Automotive 3-Pin SOT-23 T/R
PDTA143Z series - PNP resistor-equipped transistors; R1 = 4.7 kΩ, R2 = 47 kΩ TO-236 3-Pin
TRANS PREBIAS PNP 250MW TO236AB
PDTC143E series - NPN resistor-equipped transistors; R1 = 4.7 kΩ, R2 = 4.7 kΩ TO-236 3-Pin