BFS20 SEMTECH_ELEC | Alldatasheet
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Dated : 11/11/2006 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) BFS20 NPN Silicon Epitaxial Planar Transistor High frequency transistor for IF and VHF applications Absolute Maximum Ratings (Ta = 25 OC) Parameter Symbol Value Unit Collector-Base Voltage V CBO 30 V Collector-Emitter Voltage V CEO 20 V Emitter-Base Voltage V EBO 4 V Collector Current I C 25 mA Power Dissipation P tot 200 mW Junction Temperature T j 150 OC Storage Temperature Range T S - 65 to + 150 OC Characteristics at Ta = 25 OC Parameter Symbol Min. Typ. Max. Unit DC Current Gain at VCE = 10 V, IC = 7 mA hFE 40 - 140 - Collector Cutoff Current at VCB = 20 V ICBO - - 100 nA Emitter Cutoff Current at VEB = 4 V IEBO - - 100 µA Base Emitter Voltage at VCE = 10 V, IC = 7 mA VBE - - 0.9 V Transition Frequency at VCE = 10 V, IC = 5 mA, f = 100 MHz fT 275 450 - MHz Collector Base Capacitance at VCB = 10 V, f = 1 MHz COB - 1 pF SOT-23 Plastic Package