rectifier diode AR748LT repetitive voltage up to 2600 v mean forward current 6544 a surge current 70 ka final specification mar. 17 - issue: 2 symbol characteristic conditions tj [c] value unit blocking v rrm repetitive peak reverse voltage 175 2600 v v rsm non-repetitive peak reverse voltage 175 2700 v i rrm repetitive peak reverse current v=vrrm 175 150 ma conducting i f (av) mean forward current 180 sin, 50 hz, th=55c, double side cooled 6544 a i f (av) mean forward current 180 sin, 50 hz, tc=85c, double side cooled 6335 a i fsm surge forward current sine wave, 10 ms 175 70 ka i2 t i2 t without reverse voltage 24500 x 10 3 a2s v fm forward voltage forward current = 3000 a 25 1,23 v v f(to) threshold voltage 175 0,80 v r f forward slope resistance 175 0,070 mohm switching t rr reverse recovery time s q rr reverse recovery charge 175 c i rr peak reverse recovery current a mounting r th(j-h) thermal impedance, dc junction to heatsink, double side cooled 9,5 c/kw r th(c-h) thermal impedance case to heatsink, double side cooled 2,0 c/kw t j operating junction temperature -30 / 175 c f mounting force 46.0 / 54.0 kn mass 1150 g ordering information : AR748LT s 26 standard specification vrrm/100 poseico spa via pillea 42 - 44, 16153 genova - italy tel. + 39 010 8599400 - fax + 39 010 8682006 sales office: tel. + 39 010 8599400 - sales@poseico.com
AR748LT rectifier diode final specification mar. 17 - issue: 2 dissipation characteristics square wave dc 180 120 90 60 30 40 60 80 100 120 140 160 180 200 0 2000 4000 6000 8000 10000 th [ c] i f(av) [a] dc 180 120 90 60 30 0 2000 4000 6000 8000 10000 12000 14000 0 2000 4000 6000 8000 10000 p f(av) [w] i f(av) [a]
AR748LT rectifier diode final specification mar. 17 - issue: 2 dissipation characteristics sine wave 180 120 90 60 30 40 60 80 100 120 140 160 180 200 0 1000 2000 3000 4000 5000 6000 7000 th [ c] i f(av) [a] 180 120 90 60 30 0 2000 4000 6000 8000 10000 12000 14000 0 1000 2000 3000 4000 5000 6000 7000 p f(av) [w] i f(av) [a]
AR748LT rectifier diode final specification mar. 17 - issue: 2 distributed by 0 5000 10000 15000 20000 25000 0 0,5 1 1,5 2 2,5 forward current [a] forward voltage [v] forward characteristic tj = 175 c 0 1 2 3 4 5 6 7 8 9 10 0,001 0,01 0,1 1 10 100 zth j - h [ c/kw] t[s] transient thermal impedance double side cooled 0 10 20 30 40 50 60 70 80 1 10 100 itsm [ka] n cycles surge characteristic tj = 175 c all the characteristics given in this data sheet are guaranteed only with uniform clamping force, cleaned and lubricated heatsink, surfaces with flatness < . 03 mm and roughness < 2 m . in the interest of product improvement poseico spa reserves the right to change any data given in this data sheet at any time without previous notice . if not stated otherwise the maximum value of ratings (simbols over shaded background) and characteristics is reported .
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