C4270

Ordering number:EN2971 NPN Epitaxial Planar Silicon Transistor 2SC4270 UHF Converter, Local Oscillator Applications Features · Small noise figure : NF=3.0dB typ (f=0.9GHz) · High power gain : PG=12dB typ (f=0.9GHz) · High cutoff frequency : fT=3.0GHz typ Package Dimensions unit:mm 2018B [2SC4270] 0.4 3 0.16 0~0.1 0.5 1.5 0.5 2.5 1 0.95 0.95 2 1.9 2.9 Specifications Absolute Maximum Ratings at Ta = 25˚C Parameter Collector-to-Base Voltage Collector-to-Emitter Voltage Emitter-to-Base Voltage Collector Current Base Current Collector Dissipation Junction Temperature Storage Temperature Symbol VCBO VCEO VEBO IC IB PC Tj Tstg Electrical Characteristics at Ta = 25˚C Conditions Parameter Symbol Conditions Collector Cutoff Current Emitter Cutoff Current DC Current Gain Gain-Bandwidth Product Output Capacitance Reverse Transfer Capacitance Power Gain Noise Figure ICBO IEBO hFE fT Cob Cre PG NF VCB=20V, IE=0 VEB=2V, IC=0 VCE=10V, IC=5mA VCE=10V, IC=10mA VCB=10V, f=1MHz VCB=10V, f=1MHz VCE=10V, IC=10mA, f=0.9GHz VCE=10V, IC=3mA, f=0.9GHz * : The 2SC4270 is classified by 5mA hFE as follows : 40 2 80 60 3 120 100 4 200 0.8 1.1 1 : Base 2 : Emitter 3 : Collector SANYO : CP Ratings 25 15 3 50 20 250 150 –55 to +150 Unit V V V mA mA mW ˚C ˚C Ratings min typ 40* 1.5 3.0 0.7 0.45 12 3.0 max 0.1 10 200* 1.0 (Note) Marking : KT hFE rank : 2, 3, 4 Unit µA µA GHz pF pF dB dB Any and all SANYO products described or contained herein do not have specifications that ...