BC818

BC817 / BC818 NPN Silicon Epitaxial Planar Transistors for switching, AF driver and amplifier application, These transistors are subdivided into three groups –16, -25, -40 according to their current gain. As complementary types, the PNP transistors BC807 and BC808 are recommended. Absolute Maximum Ratings (Ta = 25 OC) Parameter Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Collector Current Power Dissipation Thermal Resistance , Junction to Ambient Junction Temperature Storage Temperature Range BC817 BC818 BC817 BC818 SOT-23 Plastic Package Symbol VCBO VCEO VEBO IC Ptot RθJA TJ Ts Value 50 30 45 25 5 500 200 500 150 - 55 to + 150 Unit V V V mA mW K/W O C C O Electrical Characteristics at Ta = 25 OC Parameter DC Current Gain at VCE = 1 V, IC = 100 mA Current Gain Group -16 -25 -40 Symbol hFE hFE hFE hFE ICBO IEBO VCEsat VBE(on) fT CCBO Min. 100 160 250 40 100 Typ. 5 Max. 250 400 600 100 100 0.7 1.2 Unit nA nA V V MHz pF at VCE = 1 V, IC = 500 mA Collector Base Cutoff Current at VCB = 20 V Emitter-Base Cutoff Current at VEB = 5 V Collector Saturation Voltage at IC = 500 mA, IB = 50 mA Base-Emitter Voltage at IC = 500 mA, VCE = 1 V Gain -Bandwidth Product at VCE = 5 V, IC = 10 mA, f = 50 MHz Collector-Base Capacitance at VCB = 10 V, f = 1 MHz SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 19/12/2005 BC817 / BC818 Power Dissipation vs Ambient Temperature 300 Power Dissipation: Ptot (mW) 250 200 150 100 50 0 0 25 50 75 100 O 125 150 Ambient Temperature: Ta ( C) SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 19/12/2005