Part number : C12PH
Functions : 12V 500mW Zener
“ph” – means made by Philips
Manufacturer : Philips
Functions :
“C27” – means 27 Volts, its the last part of the full type (e.g. BZX85C27, BZX55C27, BZX79C27, etc, etc)
C12PH Datasheet PDF PDF

C12PH == BZX55C12, Zener Diode