unisonic technologies co., ltd 2sd1857 npn epitaxial silicon transistor www.unisonic.com.tw 1 of 2 copyright ? 2011 unisonic technologies co., ltd qw-r201-057,d power transistor ? features * high breakdown voltage.(bv ceo =120v) * low collector output capacitance.(typ.20pf at v cb =10v) * high transition frequency.(f t =80mhz) ? ordering information ordering number pin assignment lead free halogen free package 1 2 3 packing 2SD1875l-x-t92-b 2SD1875g-x-t92-b to-92 e c b tape box 2SD1875l-x-t92-k 2SD1875g-x-t92-k to-92 e c b bulk 2SD1875l-x- t92-r 2SD1875g-x- t92-r to-92 e c b tape reel 2SD1875l-x-t9n-b 2SD1875g-x-t9n-b to-92nl e c b tape box 2SD1875l-x-t9n-k 2SD1875g-x-t9n-k to-92nl e c b bulk note: pin assignment e: emitter c: collector b: base free datasheet http://www.datasheet-pdf.com/
2sd1857 npn epitaxial silicon transistor unisonic technologies co., ltd 2 of 2 www.unisonic.com.tw qw-r201-057,d ? absolute maximum rating (t a =25 c, unless otherwise specified) parameter symbol ratings unit collector-base voltage v cbo 120 v collector-emitter voltage v ceo 120 v emitter-base voltage v ebo 5 v collector power dissipation p c 1 w collector current i c 2 a collector current i cp 3 a junction temperature t j +150 storage temperature t stg -40 ~ +150 note 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? electrical characteristics (t a =25 ) parameter symbol test conditions min typ max unit collector-base breakdown voltage bv cbo i c =50a 120 v collector-emitter breakdown voltage bv ceo i c =1ma 120 v emitter-base breakdown voltage bv ebo i e =50a 5 v collector cut-off current i cbo v cb =100v 1 a emitter cut-off current i ebo v eb =4v 1 a dc current transfer ratio h fe v ce =5v, i c =0.1a 82 390 collector-emitter sa turation voltage v ce(sat) i c =/i b =1a/0.1a (note) 0.4 v transition frequency f t v ce =5v, i e = -0.1a, f=30mhz. 80 mhz output capacitance c ob v cb =10v, i e =0a, f=1mhz (note) 20 pf note: measured using pulse current. ? classification of h fe rank p q r range 82-180 120-270 180-390 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. free datasheet http://www.datasheet-pdf.com/
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