FEATURES
   Power dissipation
      PCM: 0.83 W (Tamb=25℃)
   Collector current
      ICM: 0.1 A
   Collector-base voltage
      V(BR)CBO: BF420 300 V
                          BF422 250 V
   Operating and storage junction temperature range
      TJ, Tstg: -55℃ to +150℃