ST 2SA1174 PNP Silicon Epitaxial Planar Transistor Audio frequency low noise amplifier. The transistor is subdivided into three group, P, F and E, 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 120 V Collector -Emitter Voltage -VCEO 120 V Emitter- Base Voltage -VEBO 5 V Collector Current -IC 50 mA Base Current -IB 10 mA Power Dissipation Ptot 300 mW Junction Temperature Tj 150 O Storage Temperature Range TS -55 to +150 O 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 C ST 2SA1174 Characteristics at Tamb=25 OC Symbol Min. Typ. Max. Unit Current Gain Group P hFE 200 - 400 - F hFE 300 - 600 - E hFE 400 - 800 - hFE 150 500 - - -ICBO - - 0.05 μA -IEBO - - 0.05 μA -ICEO - - 1 μA fT 50 100 - MHz NV - 25 40 mV COB - 2 3 pF -VBE 0.55 0.61 0.65 V -VCE(sat) - 0.09 0.3 V DC Current Gain at -VCE=6V, -IC=1mA at -VCE=6V, -IC=0.1mA Collector Cutoff Current at -VCB=120V Emitter Cutoff Current at -VEB=5V Collector Cutoff Current at -VCE=100V Gain Bandwidth Product at -VCE=6V, IE=1mA Noise Voltage Output Capacitance at -VCB=30V, f=1MHz Base Emitter Voltage at -VCE=6V,-IC=1mA Collector Saturation Voltage at -IC=10mA, -IB=1mA 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