1 http:// www.sirectsemi.com power schottky rectifier - 20amp 120vol t features -plastic package has underwriters laborat ory flammability classifications 94v-0 -high junction temperature capability -low forward voltage, high current capability -high surge capacity -low power loss, high efficiency -esd performance human body mode > 8 kv application -ac/dc switching adaptor and other switching power supply -tft-lcd and dvd power supply absolute maximum ratings symbol ratings unit conditions i f(av) 20 a average forward current v rrm 120 v repetitive peak reverse voltage i fsm 150 a peak forward surge current v f(max) 0.66 v forward voltage drop t j -50 to +175 o c operating temperature t stg -50 to +150 o c storage temperature electrical characteristics parameters symbol ratings conditions maximum instantaneous forward voltage v f 0.82v 0.66v tc = 25 o c tc = 125 o c maximum reverse leakage current i r 0.01ma 10ma tc = 25 o c tc = 125 o c maximum voltage rate of change dv/dt 10,000 v / s rated v r t y pical thermal resistance, junction to case r (j-c) 2.2 o c/w per diode note: pulse test : 380 s pulse width, 2% duty cycle august 2008 / rev.6.1 to-220ab b d e f h h i c n j g a m l k o a 1 a2 k dimensions inches mm dim min max min max note a .579 .606 14.70 15.40 b .392 .411 9.95 10.45 c .104 .116 2.65 2.95 d .248 .272 6.30 6.90 e .325 .350 8.25 8.90 f .126 .157 3.20 4.00 g .492 .551 12.50 14.00 h .096 .108 2.45 2.75 i .028 .039 0.70 1.00 j .010 .022 0.25 0.55 k .146 .157 3.70 4.00 l .167 .187 4.25 4.75 m .045 .057 1.15 1.45 n .089 .114 2.25 2.90 o .047 .055 1.20 1.40 e l e c t r o n i c MBR20120CT
2 http:// www.sirectsemi.com instantaneous forward current (amps) .01 0.3 0.4 0.6 0.7 instantaneous forward voltage (volts) figure 1. typical forward characteristics 0.8 0.2 0.5 .02 .04 .06 .1 .2 .4 .6 1 2 4 6 10 20 40 60 100 25 instantaneous reverse leakage ( amps) .001 50 75 125 150 percent of rated peak reverse voltage (volts) figure 2. typical reverse characteristics 175 20 100 .002 .01 .02 .04 .06 .1 .2 .4 .6 1 2 4 6 10 .004 .006 t a =25 average forward current amperes 0 5 15 20 175 case temperature (o c ) figure 3. forward cu rrent derating curve 10 150 125 100 75 50 25 resistive or inductive load peak forward surge current amperes number of cycles at 60hz figure 4. maximum non-repetitive surge current 100 50 20 10 5 2 1 0 150 8.3ms single half-sine-wave (jedec method) 120 60 30 90 MBR20120CT sirectifier global corp., delaware, u.s.a. u.s.a.: sgc@sirectsemi.com france: ss@sirectsemi.com taiwan: se@sirectsemi.com hong kong: hk@sirectsemi.com china: st@sirectsemi.com ? thailand: th@sirectsemi.com philippines: aiac@sirectsemi.com belize: belize@sirectsemi.com
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