page . 1 apr 26,2010-rev.00 SB4045LCT dual low vf schottky rectifier voltage 45 volts 40 amperes features ? low forward voltage drop, low power losses ? high efficiency operation ? in compliance with eu rohs 2002/95/ec directives mechanical data case : to-220ab, plastic terminals : solderable per mil-std-750, method 2026 weight: 0.0655 ounces, 1.859 grams current maximum ratings(t a =25 o c unless otherwise noted) .058(1.47) .042(1.07) pan jit reserves the right to improve product design, functions and reliability without notice parameter symbol value unit maximum repetitive peak reverse voltage v rrm 45 v maximum average forward rectified current (fig.1) per device per diode i f(av) 40 20 a peak forward surge current 8.3ms single half sine-wave superimposed on rated load per diode per diode i fsm 250 a typical thermal resistance r jc 2.5 o c/w operating junction t j -55 to + 125 o c storage temperature range t stg -55 to + 150 o c parameter symbol test conditions min. typ. max. unit breakdown voltage v br i r =1ma 49 - - v instantaneous forward voltage per diode (1) v f i f =10a i f =20a t j =25 o c - - 0.44 0.51 0.48 0.53 v i f =10a i f =20a t j =125 o c - - 0.36 0.50 - 0.55 v reverse current per diode (2) i r v r =45v t j =25 o c t j =100 o c - - - - 500 100 a ma electrical characteristics(t a =25 o c unless otherwise noted) note.1.pulse test : 300 s pulse width, 1% duty cycle 2.pulse test : pulse width < 40ms
page . 2 apr 26,2010-rev.00 SB4045LCT 0.1 1 10 100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 v f , forward voltage (v) t j = 75c t j = 25c t j = 125c t j = 100c 0.01 0.1 1 10 100 20 40 60 80 100 percent of rated peak reverse voltage (%) t j = 25c t j = 100c 10 100 1000 10000 0.1 1 10 100 v r , reverse bias voltage (v) c j , junction capacitance (pf) 0 5 10 15 20 25 0 2 5 5 0 7 5 100 125 150 t c , case temperature (c) i f , average forward current (a) fig.1 typical forward characteristics per diode i f , forward current (a) fig.2 typical reverse characteristics per diode i r , leakage current (ma) fig.3 typical junction capacitance per diode fig.4 forward current derating curve per diode
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