Source google image: http://1.bp.blogspot.com/_eaH3LZO0R6s/TRpYngAT1PI/AAAAAAAACfE/uZaluH3hkI0/s1600/Schaltplan_Z-Diode.jpg
Schema electrique electronique
Source google image: http://1.bp.blogspot.com/_eaH3LZO0R6s/TRpYngAT1PI/AAAAAAAACfE/uZaluH3hkI0/s1600/Schaltplan_Z-Diode.jpg