1 3CT5 3CT5 2 2.1 2.2 TO-220AB Tamb= 25 VDRM .
3CT5 - SCR
LESD9D3.3CT5G - Transient Voltage Suppressors
LESD11D3.3CT5G - ESD PROTECTION DIODE
LESD8L3.3CT5G - ESD Diode