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| ST 2SC3731 NPN 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 Complementary to ST 2SA1458 PNP 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 Power Dissipation Junction Temperature Storage Temperature Range VCBO VCEO VEBO IC Ptot Tj TS Value 60 40 6 200 250 150 -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 2SC3731 Characteristics at Tamb=25 OC Symbol DC Current Gain* at VCE=1V, IC=10mA Current Gain Group M L K at VCE=1V, IC=100mA 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 3 4 pF fT 300 510 MHz toff 250 ns tstg 100 200 ns ton 70 ns VBE(sat) 0.8 0.95 V VCE(sat) 0.12 0.3 V IEBO 0.1 A ICBO 0.1 A hFE hFE hFE hFE 75 100 150 25 80 150 200 300 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 2SC3731 Collector current vs. collector em itter voltage 20 16 60 50 90 100 80 70 80 60 40 20 0 0 10 20 30 40 50 0 Collector current vs. collector em itter voltage 700 800 900 1mA Ic (mA) Ic (mA) 12 40 8 4 30 20 I B =10 A 600 500 400 300 200 I B =100 A 0.4 0.8 1.2 1.6 2.0 VCE (V) VCE (V) Total power dissipation vs. ambient tem perature 400 Collector current vs. base emitter voltage 100 VCE= 1V Total power dissipation, mW 300 10 200 I C, mA 1 100 0 50 0.1 100 150 200 0 0.4 0.8 1.2 Am bient tem perature Ta ( C) VBE, V Gain bandwidth product vs. emitter current 1000 VCE= 20V DC current gain vs. collector current 1000 VCE= 1V 500 200 fT, MHz hFE 100 100 50 20 10 -1 -10 -100 10 0.1 1 10 20 100 IE, 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 2SC3731 Base and collector saturation voltage vs. collector current 3 IC/IB=10 1 10 VBE(sat) Input and output capacitance vs. reverse voltage 30 f=1MHz IE=0(Cib) IC=0(Cob) Cib VCE(sat), V VBE(sat), V Cob, pF Cib, pF Cob 1 0.1 VCE(sat) 0.01 0.1 1 10 100 0.1 0.1 1 10 100 I C, mA VCB, V VEB, V Turn on tim e vs. collector current 1000 VCC= 30V VBE(off)= -5V Rise tim e vs. collector current 1000 VCC= 30V IC/IB=20 100 IC/IB=10 tr - rise time, ns ton, ns 100 IC/IB=20 IC/IB=10 10 2 10 100 200 10 2 10 100 200 I C, mA I C, mA Storage tim e vs. collector current 1000 VCC= 30V IB1= -IB2 Fall tim e vs. collector current 1000 VCC= 30V IB1= -IB2 ts - storage time, ns IC/IB=10 to 20 tf - fall time, ns 100 100 IC/IB=10 IC/IB=20 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 2SC3731 SWITCHING TIME TEST CIRCUIT VBB= -0.5V VCC= +3V INPUT td VOUT tr OUTPUT 10 % 90% 100 275 0.1 F 11.1V VIN 100 10K PW 300ns tr<1ns Duty Cycle=2 % ton SW ITCHING ton = td + tr VBB= +11V VCC= +3V INPUT 100 275 VOUT t stg tf 10 % 1S955 1S955 0.1 F -20V VIN 100 10 OUTPUT 90% PW 300ns tr < 9ns Duty Cycle=2 % toff SW ITCHING 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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