1 http:// www.sirectsemi.com power schottky rectifier - 20amp 45vol t features -plastic package has underwriters laboratory flammability classifications 94v-0 -high junction temperature capability -low forward voltage, high current capability -high surge capacity -low power loss, high efficiency -halogen-free application -switching-mode power supply -solar-system control box absolute maximum ratings symbol ratings unit conditions i f(av) 20 a average forward current v rrm 45 v repetitive peak reverse voltage i fsm 150 a peak forward surge current v f 0.48 v forward voltage drop t j , t stg -50 to +150 o c operating and storage temperature electrical characteristics parameters symbol ratings conditions maximum instantaneous forward voltage v f 0.58v 0.48v per leg at i f = 10a tc = 25 o c tc = 125 o c maximum reverse leakage current i r 1.0ma per leg at v r = 45v tc = 25 o c typical thermal resistance,junction to case r (j-c) 2.2 o c/w 4.5 o c/w per leg to-220ab ito-220ab january 2012 / rev.6.7 e l e c t r o n i c SBL20C45CTH/fcth
2 http:// www.sirectsemi.com average forward current amperes 0 10 175 figure 1. forward current derating curve 5 150 125 100 75 50 25 ambient temperature (o c ) peak forward surge current amperes number of cycles at 60hz figure 2. maximum non-repetitive surge current 100 50 20 10 5 2 1 0 60 150 90 120 30 8.3ms single half-sine-wave (jedec method) instantaneous reverse current, (ma) 0.01 0.1 1 10 100 1000 20 40 60 80 100 percent of rated peak reverse voltage, (%) figure 3. typical reverse characteristics 0 instantaneous forward current, (a) instantaneous forward voltage, volts figure 4. typical forward characteristics 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.1 1.0 10 100 capacitance, (pf) reverse voltage, volts figure 5. typical junction capacitance 0.1 1 4 10 100 10 100 1000 t j = 25o c f = 1mhz SBL20C45CTH/fcth 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
3 http:// www.sirectsemi.com SBL20C45CTH to-220ab b d e f h h i c n j g a m l k o a1 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 .114 .126 2.90 3.20 d .248 .272 6.30 6.90 e .325 .350 8.25 8.90 f .153 .173 3.90 4.40 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 sbl20c45fcth ito-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 .577 .600 14.65 15.25 b .386 .406 9.80 10.30 c .106 .122 2.70 3.10 d .258 .274 6.55 6.95 e .315 .331 8.00 8.40 f .110 .161 2.80 4.10 g .508 .551 12.90 14.00 h .089 .106 2.25 2.70 i .020 .028 0.50 0.70 j .020 .028 0.50 0.70 k .120 .138 3.05 3.50 l .169 .185 4.30 4.70 m .039 .051 1.00 1.30 n .079 .112 2.00 2.85 o .043 .055 1.10 1.40 SBL20C45CTH/fcth
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