HD2A3M Datasheet and Replacement

   Type Designator: HD2A3M
   SMD Transistor Code: LA
   Material of Transistor: Si
   Polarity: Pre-Biased-NPN
   Built in Bias Resistor R1 = 1 kOhm
   Built in Bias Resistor R2 = 1 kOhm
   Typical Resistor Ratio R1/R2 = 1
   Maximum Collector Power Dissipation (Pc): 2 W
   Maximum Collector-Base Voltage |Vcb|: 60 V
   Maximum Collector-Emitter Voltage |Vce|: 50 V
   Maximum Emitter-Base Voltage |Veb|: 10 V
   Maximum Collector Current |Ic max|: 1 A
   Max. Operating Junction Temperature (Tj): 150 °C
   Forward Current Transfer Ratio (hFE), MIN: 80
   Noise Figure, dB: -
   Package: SOT89
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