?????? yangzhou yangjie electronic technology co., ltd. www.21yangjie.com s-a053 rev.1.4,28 - apr - 14 item symbol unit test condition ? max ?? peak forward voltage v fm v i fm =20.0a 0.55 ? peak reverse current i r rm 1 m a v rm =v rrm t a =25 0. 5 irrm 2 t = 10 0 5 0 ( ) thermal resistance(typical) rj-c rj-l rj-a /w ??g ????1mm ????9mm 2.2 2.0 4 5 ? note meets the requirements of iec 61215 ed. 2 bypass diode thermal test. 20SQ045 ? schottky diodes features ?? outline dimensions and mark ? high surge forward current capability ?? low power loss, high efficiency i f av 20.0a v rrm 45v ? applications ?? photovoltaic solar cell protection schottky rectifier ??? limiting values absolute maximum rating item symbol unit conditions 20SQ045 ??? repetitive peak reverse voltage v rrm v 45 ? average rectified output current i o a 60h z ?? t a =25 60h z sine wave, r- load, t a =25 20 ???? surge(non-repetitive)forward current i fsm a 60h z ??? t a =25 60h z sine wave, 1 cycle, t a =25 350 ???? ??? current squared time i 2 t a 2 s 1ms t 8.3ms t j =25 511 ? storage temperature t stg -55 ~ +150 junction temperature t j ????? ? 1h ?? 1 in dc forward mode-forward operations without reverse bias, t 1 h (fig. 1) -55 ~ +200 t a =25 electrical characteristics ta=25 unless otherwise specified r-6 dimensions in inches and (millimeters) 1.0(25.4) min .360(9.1) .340(8.6) dia .052(1.3) .048(1.2) dia .360(9.1) .340(8.6) 1.0(25.4) min
?????? yangzhou yangjie electronic technology co., ltd. www.21yangjie.com s-a053 rev.1.4,28 - apr - 14 20SQ045 ?? characteristics(typical) 1 0 ifsm(a) ?2? 2 5 10 20 50 100 fig2:surge forward current capadility number of cycles at 60hz 60 120 180 240 8.3ms single half since-wave jedec method 360 300 0 0 io(a) tc( ) ? 1 50 100 200 2.0 fig1: if av --tc derating 150 in dc 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 0.40.60.81.0 vf(v) if(a) ?3? fig3:instantaneous forward voltage 0.1 10 1.0 ta=25 100 00.2 020406080100 0.01 0.1 1.0 10 100 v rm (%) i rrm (ma) tj=100 tj=25 fig4:instantaneous reverse characteristics ?4
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