MRF621 Datasheet and Replacement

   Type Designator: MRF621
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 146 W
   Maximum Collector-Base Voltage |Vcb|: 36 V
   Maximum Collector-Emitter Voltage |Vce|: 16 V
   Maximum Emitter-Base Voltage |Veb|: 4 V
   Maximum Collector Current |Ic max|: 11 A
   Max. Operating Junction Temperature (Tj): 175 °C
   Collector Capacitance (Cc): 130 pF
   Forward Current Transfer Ratio (hFE), MIN: 10
   Noise Figure, dB: -
   Package: TO128
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