TOSHIBA Transistor Silicon NPN Epitaxial Planar Type 2SC4250 2SC4250 TV VHF Mixer Applications Unit: mm High conversion gain: Gce = 25dB (typ.) Low reverse transfer capacitance: Cre = 0.45 pF (typ.) Maximum Ratings (Ta = 25°C) Characteristics Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature Storage temperature range Symbol VCBO VCEO VEBO IC IB PC Tj Tstg Rating 30 20 3 50 25 1.