DTL4451 Datasheet and Replacement

   Type Designator: DTL4451
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 7 W
   Maximum Collector-Emitter Voltage |Vce|: 40 V
   Maximum Collector Current |Ic max|: 2 A
   Max. Operating Junction Temperature (Tj): 140 °C
   Transition Frequency (ft): 20 MHz
   Forward Current Transfer Ratio (hFE), MIN: 20
   Noise Figure, dB: -
   Package: TO5
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