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| ST 2SA1458 PNP Silicon Epitaxial Planar Transistor for general purpose amplifier and high speed switching applications. The transistor is subdivided into three groups M, L and K, according to its DC current gain. On special request, these transistors can be manufactured in different pin configurations. Features High frequency current gain High speed switching Small output capacitance Low collector saturation voltage Complementary to ST 2SC3731 NPN transistor TO-92 Plastic Package Weight approx. 0.19g Absolute Maximum Ratings (Ta = 25 OC) Symbol Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Collector Current (DC) Power Dissipation Junction Temperature Storage Temperature Range -VCBO -VCEO -VEBO -IC Ptot Tj TS Value 40 40 5 200 250 150 -55 to+150 Unit V V V mA mW O 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) (R) Dated : 07/08/2003 ST 2SA1458 Characteristics at Tamb=25 OC Symbol DC Current Gain* at -VCE=1V, -IC=100mA Current Gain Group M L K at -VCE=1V, -IC=1mA Collector Cutoff Current at -VCB=30V Emitter Cutoff Current at -VEB=3V Collector Saturation Voltage* at -IC=50mA, -IB=5mA Base Saturation Voltage* at -IC=50mA, -IB=5mA Turn-on Time See test circuit Storage Time See test circuit Turn-off Time See test circuit Gain Bandwidth Product at -VCE=20V, IE=10mA, f=100MHz Output Capacitance at -VCB=5V, f=1MHz COB 2.5 4.5 pF fT 200 510 MHz toff 300 ns tstg 110 225 ns ton 70 ns -VBE(sat) 0.8 0.95 V -VCE(sat) 0.1 0.4 V -IEBO 0.1 A -ICBO 0.1 A hFE hFE hFE hFE 75 100 150 25 100 150 200 300 Min. Typ. Max. Unit *Pulsed PW350s, Duty Cycle2% SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) (R) Dated : 07/08/2003 ST 2SA1458 Collector current vs. collector emitter voltage -20 -16 -90 -80 -70 -60 -50 -40 -100 -80 -60 -40 Collector current vs. collector emitter voltage -1mA -900 -800 -700 -600 -500 -400 -300 -200 -20 I B=-100 A 0 -2.0 Ic (mA) -30 -20 -8 -4 I B=-10 A 0 0 -10 -20 -30 -40 -50 Ic (mA) -12 0 -0.4 -0.8 -1.2 -1.6 VCE (V) VCE (V) Total power dissipation vs. ambient temperature 400 Collector current vs. base emitter voltage -100 VCE= -1V Total power dissipation, mW 300 -10 200 I C, mA -1 -0.1 100 0 50 100 150 200 0 -0.4 -0.8 -1.2 Ambient temperature Ta ( C) VBE, V Gain bandwidth product vs. emitter current 1000 VCE= -20V DC current gain vs. collector current 1000 VCE= -1V fT, MHz 100 hFE 100 10 10 1 -10 100 -0.1 -1 -10 -100 I C, mA IE, mA SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) (R) Dated : 07/08/2003 ST 2SA1458 Input and output capacitance vs. reverse voltage 30 IC/IB=10 -1 10 VBE(sat) Base and collector saturation voltage vs. collector current -3 f=1MHz IE=0(Cob) IC=0(Cib) Cib VCE(sat), V VBE(sat), V Cob, pF Cib, pF Cob 1 -0.1 VCE(sat) -0.01 -0.1 0.1 -1 -10 -100 -0.1 -1 -10 -100 300 I C, mA VCB, V VEB V Turn on time vs. collector current 1000 VCC= -30V Rise time vs. collector current 1000 VCC= -30V IC/IB=20 tr - rise time, ns ton, ns 100 IC/IB=10 100 IC/IB=20 IC/IB=10 10 -2 -10 -100 -200 10 -2 -10 -100 -200 I C, mA I C, mA Storage time vs. collector current 1000 VCC= -30V IB1= -IB2 Fall time vs. collector current 1000 VCC= -30V IB1= -IB2 ts - storage time, ns IC/IB=10 tf - fall time, ns 100 IC/IB=20 100 IC/IB=20 IC/IB=10 10 -2 -10 -100 -200 10 -2 -10 -100 -200 I C, mA I C, mA SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) (R) Dated : 07/08/2003 ST 2SA1458 VBB= +0.5V VCC= -3V INPUT 100 275 VOUT tf tr 90% 0.1 F -11.1V VIN 100 100K OUTPUT 10% PW300ns tr<1ns ZIN=50 Duty Cycle=2% ton SWITCHING ton = tf + tr VBB= -11V VCC= -3V 100 +20V 0 VIN 100 1S955 1S955 275 VOUT INPUT t stg tf OUTPUT 10% 90% 0.1 F 10K PW300ns tr<1ns Duty Cycle=2% toff SWITCHING toff = tf + tstg SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) (R) Dated : 07/08/2003 |
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