document number: 93446 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 21-aug-08 1 schottky rectifier, 2 x 15 a mbr25..ct series vishay high power products features ? 150 c t j operation ? center tap to-220 package ? low forward voltage drop ? high frequency operation ? high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance ? guard ring for enhanced ruggedness and long term reliability ? designed and qualified for industrial level description this center tap schottky rectifier has been optimized for low reverse leakage at high temperat ure. the proprietary barrier technology allows for reliable operation up to 150 c junction temperature. typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. product summary i f(av) 2 x 15 a v r 35/45 v i rm 40 ma at 125 c to-220ab anode 1 3 2 b as e common c a thode 2 common c a thode anode major ratings and characteristics symbol characteristics values units i f(av) rectangular waveform (per device) 30 a v rrm 35/45 v i frm t c = 130 c (per leg) 30 a i fsm t p = 5 s sine 1060 v f 30 apk, t j = 125 c 0.73 v t j range - 65 to 150 c voltage ratings parameter symbol mbr2535ct MBR2545CT units maximum dc reverse voltage v r 35 45 v maximum working peak reverse voltage v rwm absolute maximum ratings parameter symbol test conditions values units maximum average forward current per leg i f(av) t c = 130 c, rated v r 15 a per device 30 peak repetitive forward current per leg i frm rated v r , square wave, 20 khz, t c = 130 c 30 non-repetitive peak surge current i fsm 5 s sine or 3 s rect. pulse following any rated load condition and with rated v rrm applied 1060 surge applied at rated load conditions halfwave, single phase, 60 hz 150 non-repetitive aval anche energy per leg e as t j = 25 c, i as = 2 a, l = 8 mh 16 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 2a
www.vishay.com for technical questi ons, contact: diodes-tech@vishay.com document number: 93446 2 revision: 21-aug-08 mbr25..ct series vishay high power products schottky rectifier, 2 x 15 a note (1) pulse width < 300 s, duty cycle < 2 % electrical specifications parameter symbol test conditions values units maximum forward voltage drop v fm (1) 30 a t j = 25 c 0.82 v t j = 125 c 0.73 maximum instantaneous reverse current i rm (1) t j = 25 c rated dc voltage 0.2 ma t j = 125 c 40 threshold voltage v f(to) t j = t j maximum 0.355 v forward slope resistance r t 12.3 m maximum junction capacitance c t v r = 5 v dc (test signal range 100 khz to 1 mhz) 25 c 700 pf typical series inductance l s measured from top of terminal to mounting plane 8.0 nh maximum voltage rate of change dv/dt rated v r 10 000 v/s thermal - mechanical specifications parameter symbol test conditions values units maximum junction temperature range t j - 65 to 150 c maximum storage temperature range t stg - 65 to 175 maximum thermal resistance, junction to case per leg r thjc dc operation 1.5 c/w typical thermal resistance, case to heatsink r thcs mounting surface, smooth and greased 0.50 approximate weight 2g 0.07 oz. mounting torque minimum non-lubricated threads 6 (5) kgf cm (lbf in) maximum 12 (10) marking device case style to-220ab mbr2535ct MBR2545CT
document number: 93446 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 21-aug-08 3 mbr25..ct series schottky rectifier, 2 x 15 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 capacitance vs. reverse voltage (per leg) fig. 4 - maximum thermal impedance z thjc characteristics (per leg) 1 10 0. 8 1.4 v fm - forward voltage drop (v) i f - in s tantaneou s forward current (a) 100 0.4 0.2 0.6 1.0 1.2 t j = 150 c t j = 125 c t j = 25 c 0.1 1 10 100 0.0001 0 v r - reverse voltage (v) i r - reverse current (ma) 45 40 30 20 10 0.01 0.001 5152535 t j = 150 c t j = 50 c t j = 100 c t j = 125 c t j = 75 c t j = 25 c 1000 040 v r - reverse voltage (v) c t - junction capacitance (pf) 20 100 50 30 10 t j = 25 c 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 t 1 - rectangular pulse duration (s) z thjc - thermal impedance (c/w) single pulse (thermal resistance) 1 d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 notes: 1. duty factor d = t 1 /t 2 2. peak t j = p dm x z thjc + t c p dm t 1 t 2 0.01 10
www.vishay.com for technical questi ons, contact: diodes-tech@vishay.com document number: 93446 4 revision: 21-aug-08 mbr25..ct series vishay high power products schottky rectifier, 2 x 15 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) 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 = rated v r 012 i f(av) - average forward current (a) allowable case temperature (c) 120 4 see note (1) 8 150 square wave (d = 0.50) rated v r applied 16 24 100 140 dc 20 110 130 0 015 4 average power loss (w) i f(av) - average forward current (a) 5 2 25 14 6 8 rms limit dc d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 20 10 10 12 100 1000 t p - s quare wave pul s e duration ( s ) i f s m - non-repetitive s urge current (a) 100 10 000 10 1000 at a ny r a ted lo a d condition a nd with r a ted v rrm a pplied following su rge
document number: 93446 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 21-aug-08 5 mbr25..ct series schottky rectifier, 2 x 15 a vishay high power products ordering information table 35 = 35 v 45 = 45 v 1 - schottky mbr series 2 - current rating (25 = 25 a) 3 - voltage ratings 4 - ct = essential part number 5 - none = standard production pbf = lead (pb)-free device code 5 13 24 mbr 25 45 ct - links to related documents dimensions http://www.vishay.com/doc?95222 part marking information http://www.vishay.com/doc?95225
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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