hello I leave a schematic of a transistor tester
materiales list:
C1 - Capacitor 4,7uF * (16Volts minimum)
R1 - Resistor 2200ohm 1/4W
R2- Resistor 10Kohm 1/4W
R3 - Resistor 680ohm 1/4W
R4 - Resistor 100 Kohm 1/4W
IC - CMOS CD4049
D1 - LED red
D2 - LED green
switch
Battery de 9 V
Source:
http://www.comunidadelectronicos.com...dor-mosfet.htm