Descrição:
Para Reparo da placa lógica das impressoras Epson:

L110 L120 L210 L220 L221 L300
L301 L310 L350 L351 L353 L355
L360 L365 L375 L455 L550 L551 L555 L558
XP412 XP413 XP420 XP415 XP423

Type Designator: 2SA222
Material of Transistor: Ge
Polarity: PNP
Maximum Collector Power Dissipation (Pc): 0.05 W
Maximum Collector-Base Voltage |Vcb|: 20 V
Maximum Emitter-Base Voltage |Veb|: 1 V
Maximum Collector Current |Ic max|: 0.01 A
Max. Operating Junction Temperature (Tj): 75 °C
Transition Frequency (ft): 35 MHz
Collector Capacitance (Cc): 4 pF
Forward Current Transfer Ratio (hFE), MIN: 130
Noise Figure, dB: -
Package: TO44-2