page . 1 stad-apr.30.2009 bd840yt~bd8200yt features ? plastic package has underwriters laboratory flammability classification 94v-o for surface mounted applications low profile package built-in strain relief low power loss, high efficiency high surge capacity in compliance with eu rohs 2002/95/ec directives through hole mount schottky barrier rectifiers .098(2.5) .032(0.8) .264(6.7) .09 .09 .216(5.5) .024(0.6) .071(1.8) .02(0.5) .225(5.7) .307(7.8) .063(1.6) .082(2.1) .012(0.3) .248(6.3) (2.3) (2.3) .200(5.1) .016(0.4) .051(1.3) .209(5.3) .283(7.2) .047(1.2) to-251ab unit:inch(mm) voltage 40 to 200 volts current 8 ampere mechanical data case: to-251ab molded plastic terminals: solder plated, solderable per mil-std-750,method 2026 polarity: as marking standard packaging: 16mm tape (eia-481) weight: 0.0104 ounces, 0.297grams. retemara pl obmys ty048d bt y548d bt y058d bt y068d bt y088d bt y098d bt y0018d bt y0518d bt y0028db stinu egatlovesreverkaeptnerrucermumixa mv mrr 0 45 40 50 60 80 90 0 10 5 10 0 2v egatlovsmrmumixa mv smr 8 25 .1 35 32 46 53 60 75 0 10 4 1v egatlovgnikcolbcdmumixa mv cd 0 45 40 50 60 80 90 0 10 5 10 0 2v tnerrucdrawrofegarevamumixa m) 1erugifees (i )va(f 8a evaw-enisflahelgnissm3.8:tnerrucegrusdrawrofkaep )dohtemcedej(daoldetarnodesopmirepus i msf 5 8a a0.8taegatlovdrawrofmumixa mv f 07. 05 7. 00 8. 00 9. 0v ttnerrucesrevercdmumixam j 52= o c tegatlovgnikcolbcddetarta j 001= o c i r 50.0 02 am cnatsiserlamrehtlacipy te r cj 5 o w/c noitcnujgnitarep oe rutarepmetegarotsdna egnar t j t, t sg 051+ot55- 571+ot56- o c maximum ratings and electrical characteristics ratings at 25c ambient temperature unless otherwise specified. resistive or inductive load.
page . 2 stad-apr.30.2009 bd840yt~bd8200yt rating and characteristic curves fig.4- typical instantaneous forward characteristics fig.2- maximum non - repetitive surge current instantaneous forward current amperes instantaneous forward voltage, volts peak forward surge current amperes no. of cycle at 60hz 120 100 80 60 40 20 0 1 2 5 10 20 50 100 40 10 8 6 4 2 1.0 .8 .6 .4 .2 .1 .5 .6 .7 .8 .9 1.0 1.2 1.4 50v~60v 150v~200v 80v~100v 40~45v fig.1- forward current derating curve fig.3- typical reverse characteristics instantaneous reverse current ,ma percent of instantaneous reverse voltage,(%) 120 140 10 1.0 0.1 .01 .001 020406080100 t =100 c j o t= j 75 c o t= j 25 c o case temperature, c o 10.0 8.0 4.0 0 2.0 6.0 0 20 40 60 80 100 120 140 160 180 average forward rectified current amperes =40v = 45-200v
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