surface mount schottky barrier diodes * plastic package has underwriters laboratory flammability classi?cation 94v-0 utilizing flame retardant epoxy molding compound. * for surface mounted applications. * exceeds environmental standards of ml-s-19500 / 228 * low leakage current * case : molded plastic, jedec sod-123f / mini sma * terminals : solder plated, solderable per ml-std-750 medthod 2026 * polarity :indicated by cathode band * mounting position : any features: b220m thru B2100M mechanical data reverse voltage 20-100 volts forward current 2.0 ampere weitron http://www.weitron.com.tw * weight: 0.04 grams mini-sma (sod-123f) mini-sma outline dimension unit:mm a c b h j h 3.50 3.90 1.40 1.80 - 0.30 (typ) h - 0.70 (typ) j 1.30 1.70 a b c mini-sma dim min max lead(pb)- f r ee p b
characteristics symbol unit @t a =25 c v rrm i o i fsm v f i r r ja 20 30 40 50 60 100 80 14 21 28 35 42 70 56 20 0.5 30 40 50 0.7 60 100 80 0.85 2.0 50 0.5 10 85 ( t y p) -55 t o+125 -55 t o+150 -55 t o+150 pf v v v v a a ma weitron http://ww w .weitron.com.tw b220m b230m b240m b250m b260m b280m B2100M ?c/w ? c ? c v rms c j t j t s t g v r t ypical jun c tion c apacitan c e t ypical t he r mal r esistan c e s t o r age t empe r a tu r e r ange device marking b220m=22 , b230m=23 , b240m=24 , b250m=25 , b260m=26 , b280m=28 , B2100M=20 maximum rating b220m thru B2100M superimposed on rated load (jedec method) 8.3 ms single half sine-wave peak forward surge current maximum average forward (fig.1) continuous reverse voltage maximum rms voltage maximum recurrent peak reverse voltage maximum instantaneous maximum dc reverse current @t a =25?c at rated dc blocking voltage @t a =125?c 160(typ) operating temperature range 2/3 rev.a 31-aug-09
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) 0.4 0.8 1.2 1.6 2.0 2.4 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) 0 0 20 40 60 80 100 120 140 160 180 200 percent of rated peak reverse voltage,(%) number of cycles at 60hz peak forward surge current,(a) b220m-b240m b250m-B2100M fig.2 typical forward characteristics fig.3 maximum non-repetitive forward surge current fig.4 typical junction capacitance fig.5 typcial reverse characteristics b220m thru B2100M 0.1 1.0 .01 10 50 pulse width 300us 1% duty cycle .1 .3 .5 .7 .9 1.1 1.3 1.5 3.0 b250m-b260m b280m-B2100M b220m-b240m tj=25?c 0 20 10 30 50 40 1 10 5 50 100 tj=25?c 8.3ms single half sine wave jedec method 700 600 500 400 300 200 100 0 .01 .05 .1 .5 1 5 10 50 100 .1 1.0 10 100 0 20 40 60 80 100 120 140 .01 tj=75?c tj=25?c 3/3 rev.a 31-aug-09
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