ST 2SC1674 NPN Silicon Epitaxial Planar Transistor TV PIF amplifier, FM tuner RF amplifier. The transistor is subdivided into three groups, R, O, and Y, according to its DC current gain On special request, these transistors can be manufactured in different pin configurations. TO-92 Plastic Package Weight approx. 0.19g Absolute Maximum Ratings (Ta = 25℃) Symbol Value Unit Collector Base Voltage VCBO 30 V Collector Emitter Voltage VCEO 20 V Emitter Base Voltage VEBO 4 V Collector Current IC 20 mA Power Dissipation Ptot 250 mW Junction Temperature Tj 150 O Storage Temperature Range TS -55 to +150 O C C SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 07/12/2002 ST 2SC1674 Characteristics at Tamb=25 OC Symbol Min. Typ. Max. Unit Current Gain Group R hFE 40 - 80 - O hFE 70 - 140 - Y hFE 120 - 240 - V(BR)CBO 30 - - V V(BR)CEO 20 - - V V(BR)EBO 4 - - V ICBO - - 0.1 μA IEBO - - 0.1 μA VCE(sat) - 0.1 0.3 V VBE(on) - 0.72 - V fT 400 600 - MHz COB - 1.2 - pF NF - 3 5 dB Gpe 18 22 - dB DC Current Gain at VCE=6V, IC=1mA Collector Base Breakdown Voltage at IC=10μA Collector Emitter Breakdown Voltage at IC=5mA Emitter Base Breakdown Voltage at IE=10μA Collector Cutoff Current at VCB=30V Emitter Cutoff Current at VEB=4V Collector Saturation Voltage at IC=10mA, IB=1mA Base Emitter On Voltage at VCE=6V, IC=1mA Gain Bandwidth Product at VCE=6V, IC=1mA Output Capacitance at VCB=6V, f=1MHz Common Source Noise Figure at VCE=6V, f=100MHz, IE=1mA, RS=50Ω Power Gain at VCE=6V, f=100MHz, IE=1mA, RS=50Ω SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 07/12/2002