utc PZTA44/ 45 npn epitaxial silicon transistor utc unisonic technologies co. ltd 1 qw-r207-003,a high voltage transistor features *collector-emitter voltage: v ceo =400v(PZTA44) v ceo =350v(pzta45) *collector current up to 300ma *complement to pzta94/93 *collector dissipation: pc(max)=2w application *telephone switching *high voltage switch sot-223 3 2 1 4 1:emitter 2,4:collector 3:base absolute maximum ratings (operating temperature range applies unless otherwise specified) parameter symbol rating unit collector-base voltage PZTA44 pzta45 v cbo 500 400 v collector-emitter voltage PZTA44 pzta45 v ceo 400 350 v emitter-base voltage v ebo 6 v collector dissipation(ta=25 c ) pc 625 mw collector dissipation(tc=25 c ) pc 2 w collector current ic 300 ma junction temperature t j 150 c storage temperature t stg -55 ~ +150 c
utc PZTA44/ 45 npn epitaxial silicon transistor utc unisonic technologies co. ltd 2 qw-r207-003,a electrical characteristics (tj=25 c,unless otherwise specified) parameter symbol test conditions min typ max unit collector-base breakdown voltage PZTA44 pzta45 bv cbo ic=100 a,i b =0 500 400 v collector-emitter breakdown voltage PZTA44 pzta45 bv ceo ic=1ma,i b =0 400 350 v emitter-base breakdown voltage bv ebo i e =100 a,ic=0 6 v collector cut-off current PZTA44 pzta45 i cbo v cb =400v,i e =0 v cb =320v,i e =0 0.1 0.1 a collector cut-off current PZTA44 pzta45 i ces v ce =400v,i b =0 v ce =320v,i b =0 0.5 0.5 a emitter cut-off current i ebo v eb =4v,ic=0 0.1 a dc current gain(note) h fe v ce =10v,ic=1ma v ce =10v,ic=10ma v ce =10v,ic=50ma v ce =10v,ic=100ma 40 50 45 40 240 collector-emitter saturation voltage v ce (sat) ic=1ma,i b =0.1ma ic=10ma,i b =1ma ic=50ma,i b =5ma 0.4 0.5 0.75 v base-emitter saturation voltage v be (sat) ic=10ma,i b =1ma 0.75 v current gain bandwidth product f t v ce =20v,ic=10ma, f=100mhz 50 mhz output capacitance cob v cb =20v,i e =0 f=1mhz 7 pf note:pulse test:pw<300 s,duty cycle<2%
utc PZTA44/ 45 npn epitaxial silicon transistor utc unisonic technologies co. ltd 3 qw-r207-003,a typical characteristic curves 10 1 10 2 10 3 10 4 10 0 -40 -20 0 20 40 60 80 100 120 140 v ce =10v fig.1 dc current gain ic,collector current(ma) h fe ,dc current current gain 10 0 10 1 10 2 10 -1 time( s) fig.2 turn-on switching times v ce =150v ic/i b =10 ta=25 c v be (off)=4v t f t d ic,collector current(ma) 10 0 10 1 10 2 ic,collector current(ma) 10 -1 time( s) fig.3 turn-off switching times 10 0 10 1 10 1 10 0 10 2 t s t f v ce =150v ic/i b =10 ta=25 c fig.4 capacitance fig.5 on voltage 10 1 10 2 10 3 10 0 10 -1 collector voltage(v) capacitance(pf) 10 0 10 1 10 2 10 3 cib cob 10 1 10 2 10 3 10 0 10 -1 ic,collector current(ma) ta=25 c voltage(v) 0 0.2 0.4 0.6 0.8 1.0 v be (sat),ic/i b =10 v be (on),v ce =10v v ce (sat),ic/i b =10 fig.6 collector saturation region ib, base current( a) 10 1 10 2 10 3 10 4 10 5 0 0.2 0.4 0.3 0.1 0.5 collector-emitter voltage(v) ta=25 c ic=1ma ic=10ma ic=50ma ic,collector current(ma) collector voltage(v) 10 1 10 2 10 3 10 0 10 -1 10 2 10 3 10 4 10 1 10 0 10 0 10 1 10 2 10 3 10 -1 10 0 10 1 10 2 small signal current gain,h fe fig.7 high frequency current gain fig.8 safe operating area v ce =10v f=10mhz ta=25 c ic,collector current(ma) 10 4 valid duty cycle<10% ta=25 c t c = 2 5 c 1s 1ms 0.1ms PZTA44
utc PZTA44/ 45 npn epitaxial silicon transistor utc unisonic technologies co. ltd 4 qw-r207-003,a utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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