document number: 94204 for technical ques tions, contact: ind-modules@vishay.com www.vishay.com revision: 29-apr-08 1 schottky rectifier, 400 a 400CNQ045PBF vishay high power products features ? 150 c t j operation ? center tap module ? very low forward voltage drop ? high frequency operation ? guard ring for enhanced ruggedness and long term reliability ? lead (pb)-free ? designed and qualified for industrial level description the 400cnq... center tap, high current, schottky rectifier module series has been optimized for very low forward voltage drop, with moderate le akage. the proprietary barrier technology allows for reliable operation up to 150 c junction temperature. typical applications are in switching power supplies, converters, freewheeling diodes, welding, and reverse battery protection. product summary i f(av) 400 a v r 45 v b as e common c a thode l u g termin a l a node 1 l u g termin a l a node 2 to-244 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 (per leg) 0.52 v t j range - 55 to 150 c voltage ratings parameter symbol 400CNQ045PBF units maximum dc reverse voltage v r 45 v maximum working peak reverse voltage v rwm absolute maximum ratings parameter symbol test conditions values units maximum average forward current see fig. 5 per leg i f(av) 50 % duty cycle at t c = 114 c, rectangular waveform 200 a per device 400 maximum peak one c ycle non-repetitive surge current per leg see fig. 7 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 aval anche energy per leg e as t j = 25 c, i as = 19 a, l = 1 mh 180 mj repetitive avalanche current per leg 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
www.vishay.com for technical questi ons, contact: ind-modules@vishay.com document number: 94204 2 revision: 29-apr-08 400CNQ045PBF vishay high power products schottky rectifier, 400 a note (1) pulse width < 300 s, duty cycle < 2 % electrical specifications parameter symbol test conditions values units maximum forward voltage drop per leg see fig. 1 v fm (1) 200 a t j = 25 c 0.57 v 400 a 0.73 200 a t j = 125 c 0.52 400 a 0.7 maximum reverse leakage current per leg see fig. 2 i rm (1) t j = 25 c v r = rated v r 20 ma t j = 125 c 1.2 a threshold voltage v f(to) t j = t j maximum 0.32 v forward slope resistance r t 0.81 m maximum junction capacitance per leg c t v r = 5 v dc (test signal range 100 khz to 1 mhz) 25 c 10 300 pf typical series inductance per leg l s from top of terminal hole to mounting plane 5.0 nh maximum voltage rate of change dv/dt rated v r 10 000 v/s thermal - mechanical specifications parameter symbol min. typ. max. units maximum junction and storage temperature range t j , t stg - 55 - 150 c thermal resistance, junction to case per leg r thjc - - 0.19 c/w thermal resistance, junction to case per module - - 0.095 thermal resistance, case to heatsink r thcs -0.10- weight -68- g -2.4-oz. mounting torque 35.4 (4) 53.1 (6) lbf ? in (n ? m) mounting torque center hole 30 (3.4) 40 (4.6) terminal torque 30 (3.4) - 44.2 (5) vertical pull - - 80 lbf ? in 2" lever pull - - 35
document number: 94204 for technical ques tions, contact: ind-modules@vishay.com www.vishay.com revision: 29-apr-08 3 400CNQ045PBF schottky rectifier, 400 a vishay high power products fig. 1 - maximum forward voltage drop characteristics (per leg) fig. 2 - typical values of reverse current vs. reverse voltage (per leg) fig. 3 - typical junction capaci tance vs. reverse voltage (per leg) fig. 4 - maximum thermal impedance z thjc characteristics (per leg) 1 100 10 1000 i f - instantaneous forward current (a) v fm - forward voltage drop (v) 0.2 0.4 0.6 0.8 1.0 1.2 0 t j = 25 c t j = 125 c t j = 150 c 0.01 10 100 1000 1 0.1 10 000 i r - reverse current (ma) v r - reverse voltage (v) 10 5 15202530 45 40 35 0 t j = 150 c t j = 125 c t j = 100 c t j = 75 c t j = 50 c t j = 25 c 1000 10 000 c t - junction capacitance (pf) v r - reverse voltage (v) 10 20 30 50 40 0 t j = 25 c 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 t 1 - rectangular pulse duration (s) z thjc - thermal impedance (c/w) 10 single pulse (thermal resistance) p dm t 1 t 2 notes: 1. duty factor d = t 1 /t 2 2. peak t j = p dm x z thjc + t c d = 0.75 d = 0.20 d = 0.50 d = 0.33 d = 0.25
www.vishay.com for technical questi ons, contact: ind-modules@vishay.com document number: 94204 4 revision: 29-apr-08 400CNQ045PBF vishay high power products schottky rectifier, 400 a fig. 5 - maximum allowable case temperature vs. average forward current (per leg) fig. 6 - forward power loss characteristics (per leg) fig. 7 - maximum non-repetit ive surge current (per leg) fig. 8 - unclamped inductive 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 80 90 100 110 120 130 140 160 150 allowable case temperature (c) i f(av) - average forward current (a) 100 50 150 200 250 300 0 dc square wave (d = 0.50) 80 % rated v r applied see note (1) 0 20 40 60 100 120 160 80 140 180 200 average power loss (w) i f(av) - average forward current (a) 200 50 100 150 250 300 0 dc rms limit d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 1000 100 000 10 000 i fsm - non-repetitive surge current (a) t p - square wave pulse duration (s) 100 1000 10 000 10 at any rated load condition and with rated v rrm applied following surge current monitor high-speed switch d.u.t. r g = 25 + freewheel diode v d = 25 v l irfp460 40hfl40s02
document number: 94204 for technical ques tions, contact: ind-modules@vishay.com www.vishay.com revision: 29-apr-08 5 400CNQ045PBF schottky rectifier, 400 a vishay high power products ordering information table 1 - average current rating (x 10) 2 - product silicon identification 3 - c = circuit configuration 4 - n = not isolated 5 - q = schottky rectifier diode 6 - voltage rating (045 = 45 v) 7 - lead (pb)-free device code 5 13 24 67 40 0 c n q 045 pbf links to related documents dimensions http://www.vishay.com/doc?95021
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of vishay. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners.
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