BF422

BF422 NPN Silicon Transistor Descriptions • High voltage application • Monitor equipment application PIN Connection C Features • Collector-Emitter voltage : VCEO=250V • Complementary pair with BF423 B C E B E TO-92 Ordering Information Type NO. BF422 Marking BF422 Package Code TO-92 Absolute maximum ratings Characteristic Collector-Base voltage Collector-Emitter voltage Emitter-base Collector current Collector dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO IC PC Tj Tstg Ratings 250 250 5 100 625 150 -55~150 Unit V V V mA mW °C °C Electrical Characteristics Characteristic Collector-Emitter breakdown voltage Collector cut-off current Emitter cut-off current DC current gain Collector-Emitter saturation voltage Transistor frequency Collector output capacitance Symbol BVCEO ICBO IEBO hFE VCE(sat) fT Cob Test Condition IC=1mA, IB=0 VCB=200V, IE=0 VEB=5V, IC=0 VCE=20V, IC=25mA IC=30mA, IB=5mA VCE=20V, IC=10mA, f=100MHz VCB=20V, IE=0, f=1MHz Min. 250 50 - Typ. 100 1 Max. 100 100 0.6 - Unit V nA nA V MHz pF KSD-T0A035-000 1 BF422 Electrical Characteristic Curves Fig. 1 hFE - IC Fig. 2 VCE(sat) - IC Fig. 3 fT - IC Fig. 4 COb - VR KSD-T0A035-000 2 BF422 Outline Dimension KSD-T0A035-000 3 BF422 The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-T0A035-000 4