Mounted on box with terminal, Diode PNP-053, NPN-054, Zener-055, Semiconductor-056

 

Mounted on transparent base, with 4 mm colour coded sockets.

PNP Unit, Mounted on transparent base, with 4 mm colour coded sockets, with circuit diagram printed for demonstration.

PNP Transistor on box with 4 mm Socket          – MAS 053

NPN transistor on box with 4 mm Socket           – MAS 054

Zener Diode on box with 4 mm socket                – MAS 055

Semiconductor Diode on box with 4 mm socket- MAS 056