document number: 94634 for tec hnical questions, contact: indmodules@vishay.com www.vishay.com revision: 09-mar-11 1 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 add-a-pak generation vii power modules schottky rectifier, 400 a vskcs400/045 vishay semiconductors mechanical description the add-a-pak generation vii, new generation of add-a-pak module, combines the excellent thermal performances obtained by the usage of exposed direct bonded copper substrate, with advanced compact simple package solution and simplif ied internal structure with minimized number of interfaces. features ? 150 c t j operation ? low forward voltage drop ? high frequency operation ? low thermal resistance ? ul approved file e78996 ? compliant to rohs directive 2002/95/ec ? designed and qualified for industrial level benefits ? excellent thermal performances obtained by the usage of exposed direct bonded copper substrate ? high surge capability ? easy mounting on heatsink electrical description the vskcs400/045 schottky re ctifier common cathode has been optimized for low reverse leakage at high temperature. the proprietary barrier technology allows for reliable operation up to 150 c junction temperature. typical applications are in high current switching power supplies, plating power supplie s, ups systems, converters, freewheeling diodes, weldin g, and reverse battery protection. product summary i f(av) 400 a add-a-pak major ratings and characteristics symbol characteristics values units i f(av) rectangular waveform 400 a v rrm 45 v i fsm t p = 5 s sine 29 000 a v f 200 apk, t j = 125 c 0.73 v t j range - 55 to 150 c voltage ratings parameter symbol vskcs400/045 units maximum dc reverse voltage v r 45 v maximum working peak reverse voltage v rwm
www.vishay.com for technical questions, contact: indmodules@vishay.com document number: 94634 2 revision: 09-mar-11 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 vskcs400/045 vishay semiconductors add-a-pak generation vii power modules schottky rectifier, 400 a absolute maximum ratings parameter symbol test conditions values units maximum average forward current per module i f(av) 50 % duty cycle at t c = 91 c, rectangular waveform 400 a per leg 200 maximum peak one cycle non-repetitive surge current i fsm 5 s sine or 3 s rect. pulse following any rated load condition and with rated v rrm applied 29 000 10 ms sine or 6 ms rect. pulse 3400 non-repetitive avalanche energy e as t j = 25 c, i as = 19 a, l = 1 mh 180 mj repetitive avalanche current i ar current decaying linearly to zero in 1 s frequency limited by t j maximum v a = 1.5 x v r typical 40 a electrical specifications parameter symbol test conditions values units maximum forward voltage drop v fm 200 a t j = 25 c 0.67 v 400 a 0.92 200 a t j = 125 c 0.73 400 a 1.14 maximum reverse leakage current i rm t j = 25 c v r = rated v r 20 ma t j = 125 c 1.2 a maximum junction capacitance c t v r = 5 v dc (test signal range 100 khz to 1 mhz), 25 c 10 300 pf typical series inductance l s measured lead to lead 5 mm from package body 5.0 nh maximum voltage rate of change dv/dt rated v r 10 000 v/s maximum rms insulation voltage v ins 50 hz 3000 (1 min) 3600 (1 s) v thermal - mechanical specifications parameter symbol test conditions values units maximum junction and storage temperature range t j , t stg - 55 to 150 c maximum thermal resistance, junction to case per leg r thjc dc operation 0.26 c/w typical thermal resistance, case to heatsink per module r thcs 0.1 approximate weight 75 g 2.7 oz. mounting torque 10 % to heatsink a mounting compound is re commended and the torque should be rechecked after a period of 3 h to allow for the spread of the compound. 4 nm busbar 3 case style jedec to-240aa compatible
document number: 94634 for tec hnical questions, contact: indmodules@vishay.com www.vishay.com revision: 09-mar-11 3 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 vskcs400/045 add-a-pak generation vii power modules schottky rectifier, 400 a vishay semiconductors fig. 1 - maximum forward voltage drop characteristics fig. 2 - typical values of reverse current vs. reverse voltage fig. 3 - typical junction capacitance vs. reverse voltage fig. 4 - maximum thermal impedance z thjc characteristics forward voltage drop - v fm (v) instantaneous forward current - i f (a) 0.0 0.3 0.6 0.9 1.2 1.5 1 10 100 1000 tj = 25c tj = 125c tj = 150c reverse current - i r (ma) reverse voltage - v r (v) 0 1020304050 0.1 1 10 100 1000 10000 25c 75c 100c 50c 125c 150c reverse voltage - v r (v) junction capacitance - c t (pf) 1000 10000 0 1020304050 t = 2 5 c j t 1 , rectangular pulse duration (seconds) thermal impedance z thjc (c/w) 1e-05 1e-04 1e-03 1e-02 1e-01 1e+00 1e+01 1e+02 0.001 0.01 0.1 1 single pulse (thermal resistance) d = 0.2 d = 0.25 d = 0.33 d = 0.5 d = 0.75
www.vishay.com for technical questions, contact: indmodules@vishay.com document number: 94634 4 revision: 09-mar-11 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 vskcs400/045 vishay semiconductors add-a-pak generation vii power modules schottky rectifier, 400 a fig. 5 - maximum allowable case temperature vs. average forward current fig. 6 - forward power loss characteristics fig. 7 - maximum non- repetitive surge current fig. 8 - unclamped in ductive test circuit note (1) formula used: t c = t j - (pd + pd rev ) x r thjc ; pd = forward power loss = i f(av) x v fm at (i f(av) /d) (see fig. 6); pd rev = inverse power loss = v r1 x i r (1 - d); i r at v r1 = 80 % rated v r average forward current - i f (av) (a) allowable case temperature (c) 0 100 200 300 400 500 0 20 40 60 80 100 120 140 160 dc square wave (d=0.50) 80% rated vr applied see note (1) average forward current - i f (av) (a) average power loss- (watts) 0 50 100 150 200 250 300 0 50 100 150 200 250 180 120 90 60 30 dc rms limit square wave pulse duration - t p (microsec) non-repetitive surge current - i fsm (a) 1000 10000 100000 10 100 1000 10000 at any rated load condition and with rated v applied fo l l o w i n g su r g e rrm current monitor high-speed switch d.u.t. r g = 25 + freewheel diode v d = 25 v l irfp460 40hfl40s02
document number: 94634 for tec hnical questions, contact: indmodules@vishay.com www.vishay.com revision: 09-mar-11 5 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 vskcs400/045 add-a-pak generation vii power modules schottky rectifier, 400 a vishay semiconductors ordering information table circuit configuration links to related documents dimensions www.vishay.com/doc?95369 1 - vishay semiconductors product 2 - circuit configuration: 3 - s = schottky diode 4 - average rating (x 10) 5 - product silicon identification 6 - voltage rating (045 = 45 v) kc = add-a-pak - 2 diodes/common cathode device code 5 1 3 2 4 6 vs kc s 40 0 / 045 (1) + (3) - (2) -
document number: 95369 for tec hnical questions, contact: indmodules@vishay.com www.vishay.com revision: 11-nov-08 1 add-a-pak generation vii - diode outline dimensions vishay semiconductors dimensions in millimeters (inches) 35 ref. 30 0.5 (1.18 0.020) 29 0.5 (1 0.020) viti m5 x 0.8 screws m5 x 0.8 18 (0.7) ref. 6.7 0.3 (0.26 0.012) 24 0.5 (1 0.020) 1 2 3 4 5 7 6 80 0.3 (3.15 0.012) 92 0.75 (3.6 0.030) 20 0.5 (0.79 0.020) 20 0.5 (0.79 0.020) 15 0.5 (0.59 0.020) 22.6 0.2 (0.89 0.008) 6.3 0.2 (0.248 0.008)
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