fast recovery diode ARF435 repetitive voltage up to 2600 v mean forward current 955 a surge current 12 ka final specification ott 97 - issue : 07 symbol characteristic conditions tj [c] value unit blocking v rrm repetitive peak reverse voltage 150 2600 v v rsm non-repetitive peak reverse voltage 150 2700 v i rrm repetitive peak reverse current v=vrrm 150 50 ma conducting i f (av) mean forward current 180 sin ,50 hz, th=55c, double side cooled 955 a i f (av) mean forward current 180 square,50 hz,th=55c,double side cooled 970 a i fsm surge forward current sine wave, 10 ms 150 12 ka i2 t i2 t reapplied reverse voltage up to 50% vrsm 720 x1e3 a2s v fm forward voltage forward current = 1800 a 25 2.3 v v f(to) threshold voltage 150 1.10 v r f forward slope resistance 150 0.675 mohm switching t rr reverse recovery time i f = 500 a 4 s q rr reverse recovery charge di/dt= 80 a/s 150 360 c i rr peak reverse recovery current vr = 100 v 200 a s softness (s-factor), min 0.4 v fr peak forward recovery di/dt= 400 a/s 150 15 v mounting r th(j-h) thermal impedance junction to heatsink, double side cooled 37 c/kw t j operating junction temperature -30 / 150 c f mounting force 11.8 / 13.2 kn mass 300 g ordering information : ARF435 s 26 standard specification vrrm/100 via n. lorenzi 8 - i 16152 genova - italy tel. int. +39/(0)10 6556549 - (0)10 6556488 fax int. +39/(0)10 6442510 tx 270318 ansuse i - ansaldo ansaldo trasporti s.p.a. unita' semiconduttori
ARF435 fast recovery diode final specification ott 97 - issue : 07 dissipation characteristics square wave dc sine wave dc dc 180 120 90 60 30 0 500 1000 1500 2000 2500 3000 0 200 400 600 800 1000 1200 1400 mean forward current [a] power dissipation [w] ansaldo 180 120 90 60 30 0 500 1000 1500 2000 2500 3000 0 200 400 600 800 1000 1200 1400 mean forward current [a] power dissipation [w]
ARF435 fast recovery diode final specification ott 97 - issue : 07 switching characteristics ansaldo reverse recovery charge tj = 150 c 0 100 200 300 400 500 600 700 800 900 0 100 200 300 400 di/dt [a/s] qrr [c] 250 a 500 a 1000 a reverse recovery current tj = 150 c 0 50 100 150 200 250 300 350 400 450 500 550 600 0 100 200 300 400 di/dt [a/s] irr [a] 250 a 500 a 1000 a forward recovery voltage 0 5 10 15 20 25 30 0 200 400 600 800 1000 1200 di/dt [a/s] vfr [v] tj = 25 c tj = 150 c i f v fr v f ta ta = irr / (di/dt) tb = trr - ta softness (s factor) s = tb / ta energy dissipation during recovery er = vr (qrr - irr ta / 2 ) irr vr tb i f d i/d t
ARF435 fast recovery diode final specification ott 97 - issue : 07 distributed by forward characteristic tj = 150 c 0 500 1000 1500 2000 2500 3000 0.6 1.1 1.6 2.1 2.6 3.1 forward voltage [v] forward current [a] transient thermal impedance double side cooled 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 0.001 0.01 0.1 1 10 100 t[s] zth j-h [c/kw] surge characteristic tj = 150 c 0 2 4 6 8 10 12 1 10 100 n cycles itsm [ka] 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 ansaldo 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. ansaldo
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