1 FWSR315PT e l e c t r o n i c power schottky rectifier - 45amp 45vol 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 to-247ad -low power loss, high efficiency c f i h k k g e n m a b o l j d application -switching-mode power supply absolute maximum ratings symbol ratings unit conditions 30 (r) a i f(av) at tc=125 oc 15 (l) a v rrm 45 v maximum repetitive peak reverse voltage i fsm 150 a 8.3ms single half sine-wafe single shot a 1 a2 k v f(max) 0.6 v at i f =10a, tc=25 oc t j -50 to +150 oc t stg -50 to +125 oc dimensions inches mm dim min max electrical characteristics parameters symbol ratings conditions maximum instantaneous forward voltage v f 0.6v 0.5v tc=25 oc tc=125 oc maximum reverse current at rated dc blocking voltage i r 1.0ma tc=25 oc voltage rate of change dv/dt 10,000 v/us rated v r t y pical thermal resistance, junction to case r th (j-c) 1.25 oc/w per diode note: pulse test : 380us pulse width, 2% duty cycle august 2006 min max note .780 a .819 19.80 20.80 b .807 .846 20.50 21.50 c .606 .638 15.40 16.20 .138 .150 3.50 3.80 d .226 e .242 5.75 6.15 f .209 .224 5.30 5.70 g .077 .085 1.95 2.15 h .163 .175 4.15 4.45 .591 .622 15.00 15.80 i .043 .051 1.10 1.30 j .197 .213 5.00 5.40 k .189 .205 4.80 5.20 l .024 .031 0.60 0.80 m .085 .096 2.15 2.45 n .079 .091 2.00 2.30 o http:// www.sirectsemi.com
average forward current amperes 0 10 30 40 175 case temperature ( ) figure 1. forward current derating curve 20 150 125 100 75 50 25 resistive or inductive load l r peak forward surge current amperes number of cycles at 60hz figure 2. maximum non-repetitive surge current 100 50 20 10 5 2 1 0 400 100 300 200 8.3ms single half-sine-wave (jedec method) 2 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 0.1 1.0 10 100 t j =25 pulse width 300us instantaneous reverse current, (ma) 0.001 0.01 0.1 1.0 10 100 20 40 60 80 100 120 140 percent of rated peak reverse voltage, (%) figure 3. typical reverse characteristics 0 t j =25 t j =75 t j =150 capacitance, (pf) reverse voltage, volts figure 5. typical junction capacitance 0.1 1 4 10 100 100 1000 10000 t j =25 f =1mhz u.s.a. : sgc@sirectsemi.com europe : ss@sirectsemi.com philippines: aiac@sirectsemi.com taiwan : se@sirectsemi.com china: st@sirectsemi.com ?. korea: kse@sirectsemi.com sirectifier global corp., delaware, u.s.a. http:// www.sirectsemi.com FWSR315PT
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