Type Designator: 2SD438 Material of Transistor: Si Polarity: NPN Maximum Collector Power Dissipation (Pc): 0.75 W Maximum Collector-Base Voltage |Vcb|: 100 V Maximum Collector-Emitter Voltage |Vce|: 80 V Maximum Emitter-Base Voltage |Veb|: 5 V Maximum Collector Current |Ic max|: 0.7 A