page . 1 february 15,2011-rev.04 bd540ys series surface mount schottky barrier rectifiers voltage 40 to 200 volts 5 amperes current 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 ? for use in low voltage high frequency inverters, free wheeling, and polarity protection applications ? in compliance with eu rohs 2002/95/ec directives mechancal data ? case: to-252 molded plastic ? terminals: solder plated, solderable per mil-std-750,method 2026 ? polarity: as marking ? weight: 0.0104 ounces, 0.297 grams. maximum ratings and electrical characteristics ratings at 25c ambient temperature unless otherwise specified. resistive or inductive load. parameter symbol bd540ys bd545ys bd550ys bd560ys bd580ys bd590ys bd5100ys bd5150ys BD5200YS units maximum recurrent peak reverse voltage v rrm 40 45 50 60 80 90 100 150 200 v maximum rms voltage v rms 28 31.5 35 42 56 63 70 105 140 v maximum dc blocking voltage v r 40 45 50 60 80 90 100 150 200 v average rectified output current (see figure 1) i f(av) 5.0 a non-repetitive peak forward surge current : 8.3ms single half sine-wave superimposed on rated load i fsm 100 a forward voltage at 5.0a v f 0.70 0.74 0.80 0.9 v peak reverse current at rated dc blocking voltage t j =25 o c t j =100 o c i r 0.05 20 ma typical thermal resistance r jc 5.0 o c / w operating junction and storage temperature range t j ,t stg -55 to +150 -65 to +175 o c
page . 2 february 15,2011-rev.04 bd540ys series rating and characteristic curves fig.1- forward current derating curve fig.2 -maximum non-repetitive surge current peak forward surge current amperes no. of cycle at 60h z fig.3-typical reverse characteristic 11010 0 20 40 60 80 100 fig.4- typical instantaneous forward characteristic 0.1 1.0 10 0.4 0.6 0.8 1.0 t=25c a o 40v-45v 50v-60v 80v-100v forward current, amperes forward voltage, volts 150-200v 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 5.0 4.0 2.0 0 resistive or inductive load 1.0 3.0 0 20 40 60 80 100 120 140 160 180 average forward rectified current amperes =40v = 45-200v case temperature, c o 1.2
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