surface mount schottky barrier diodes *plastic package has underwriters laboratory flammability classi?cation 94v-o utilizing flame retardant epoxy molding compound. * for surface mounted applications. exceeds environmental standards of mil-s-19500 / 228. * low leakage current. * case : molded plastic, sod-323f * terminals : solder plated, solderable per mil-std-750, method 2026 * polarity : indicated by c athode band * mounting position : any * wight: 0.004grams(approx) features: b0520n thru b0560n mechanical data reverse voltage 20-60 volts forward current 500 mampere weitron http://www.weitron.com.tw 1/3 18-may-06 sod-323f outline dimension unit:mm a c b h j h 2.30 2.70 1.05 1.45 - 0.30 (typ) h - 0.40 (typ) j 0.80 1.20 a b c sod-323f dim min max sod-323f lead(pb)- f r ee p b
characteristics symbol unit v rrm i o i fsm v f i r r ja 20 30 40 50 60 14 21 28 35 42 20 30 40 50 60 0.5 0.5 15 0.5 10 90(typ) -55 to+150 +150 pf v v v v a a ma weitron http://ww w .weitron.com.tw b0520n b0530n B0540N b0550n b0560n c/w c c v rms c j t j t stg v r typical junction capacitance typical thermal resistance storage temperature range device marking maximum rating b0520n thru b0560n 2/3 18-may-06 peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) maximum average forward (fig.1) continuous reverse voltage maximum rms voltage maximum recurrent peak reverse voltage maximum instantaneous@t a =25c maximum dc reverse current @t a =25c at rated dc blocking voltage @t a =125c 120(typ) operating temperature range b0520n=a , b0530n=b , B0540N=c , b0550n=d , b0560n=e
weitron http://www.weitron.com.tw fig.1 typical forward current derating curve average forward current,(a) reverse voltage,(v) junction capacitance,(pf) instantaneous forward current,(a) forward voltage,(v) r e v e r s e l e a k a g e c u r r e n t , ( m a ) ambient temperature,(?c) percent of rated peak reverse voltage,(%) number of cycles at 60hz peak forward surge current,(a) fig.2 typical forward characteristics fig.3 maximum non-repetitive forward surge current fig.4 typical junction capacitance fig.5 typcial reverse characteristics b0520n thru b0560n 0 6 3 9 15 12 1 10 5 50 100 tj=25?c 8.3ms single half sine wave jedec method 3/3 18-may-06 0.1 0.2 0.3 0.4 0.5 0.6 b0550n~b0560n 0 0 20 40 60 80 100 120 140 160 180 200 b0520n~B0540N 350 300 250 200 150 100 50 0 .01 .05 .1 .5 1 5 10 50 100 0.1 1.0 .01 10 50 pulse width 300us 1% duty cycle .1 .3 .5 .7 .9 1.1 1.3 1.5 0.5 tj=25 c .1 1.0 10 100 0 20 40 60 80 100 120 140 .01 tj=75 c tj=25 c b0550n~b0560n b0520n~B0540N
|
