utc 4128 npn epitaxial silicon transistor utc unisonic technologies co., ltd. 1 www.unisonic.com qw-r204-020 ,a high frequency switching transistors for ballasters description utc 4128 is designed for specially used for electronic ballasters in 110vac environment. features * triple diffused technology. * high switching speed to-126 1 1: base 2: collector 3: emitter *pb-free plating product number: 4128l absolute maximum ratings (tc = 25 ) parameter symbol ratings unit collector-base voltage v cbo 400 v collector-emitter voltage v ceo 200 v collector-emitter voltage v ebo 7 v peak collector current i c 5 a peak collector consume dissipation p c 40 w peak junction temperature t j 150 storage temperature t stg -40 ~ +150 electrical characteristics (ta = 25 ) parameter symbol test conditions min typ max unit collector-emitter maintenance voltage v ceo (sus) i c =10ma, i b =0 200 v collector-base breakdown voltage v (br) cbo i c =1ma, i b =0 400 v emitter-base breakdown voltage v (br) ebo i e =1ma, i c =0 7 v collector-base cutoff current i cbo v cb =400v, i e =0 100 a collector-emitter cutoff current i ceo v ce =200v, i b =0 100 a emitter-base cutoff current i ebo v eb =7v, ic=0 100 a h fe (1) v ce =10v, ic=0.5a 10 60 dc current gain h fe (2) v ce =5v, ic=2a 10 40 i c =1a, i b =0.2a 0.8 v collector-emitter saturation voltage v ce (sat) i c =4a, i b =1a 2 v base-emitter saturation voltage v be (sat) i c =2a, i b =0.5a 1.6 v fall time tf i c =2a, i b1 = -i b2 = 0.4a 0.9 s storage time ts i c =2a, i b1 = -i b2 = 0.4a 4 s feature frequency f t v ce =10v, ic=0.5a 4 mhz
utc 4128 npn epitaxial silicon transistor utc unisonic technologies co., ltd. 2 www.unisonic.com qw-r204-020 ,a characteristics curves safe work area hfe-i c pulsed pulse operation * i c max cont dc operation * for single nonrepetitive pulse 10 s 100 s 1ms 10ms v ce (v) 10 2 10 1 10 0 10 -2 10 -1 10 0 10 1 i c (a) 2 4 8 6 4 2 8 6 4 2 2 4 6 8 2 4 68 2 468 8 6 4 2 i c max i c (a) 10 0 10 -1 10 -2 10 0 10 1 10 2 h fe 2 4 8 6 4 2 6 2 4 6 8 2468 2468 8 6 4 2 t j =25 v cc =5v t j =125 v ce (sat) (v)-i c v be (sat) (v)-i c t j =125 i c (a) 10 10 -1 10 -2 10 -1 10 0 v ce (s at) 2 4 8 6 4 2 6 2 4 6 8 2468 0 4 2 t j =25 (v ) t j =125 i c (a) 10 10 -1 1.0 v be (s at) 0 h fe = 5 (v ) 0.9 0.8 0.7 0.6 0.5 h fe = 5 t j =25 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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