document number: 94312 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 16-mar-10 1 schottky rectifier, 7.5 a vs-mbrb735pbf, vs-mbrb745pbf vishay high power products features ? 150 c t j operation ? high frequency operation ? low forward voltage drop ? high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance ? guard ring for enhanced ruggedness and long term reliability ? meets msl level 1, per j-std-020, lf maximum peak of 260 c ? halogen-free according to iec 61249-2-21 definition ? compliant to rohs directive 2002/95/ec ? aec-q101 qualified description the vs-mbrb7... schottky rectifier series has been optimized for low reverse leak age at high temperature. 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) 7.5 a v r 35 v/45 v i rm 15 ma at 125 c d 2 pak anode 1 3 ba s e cathode 2 n/c major ratings and characteristics symbol characteristics values units i f(av) rectangular waveform 7.5 a v rrm 35/45 v i fsm t p = 5 s sine 690 a v f 7.5 apk, t j = 125 c 0.57 v t j range - 65 to 150 c voltage ratings parameter symbol vs-mbrb735pbf vs-mbrb745pbf 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 i f(av) t c = 131 c, rated v r 7.5 a 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 690 surge applied at rated load condit ion halfwave sing le phase 60 hz 150 non-repetitive avalanche energy e as t j = 25 c, i as = 2 a, l = 3.5 mh 7 mj repetitive avalanche current i ar current decaying linear ly 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 questions, contact: diodestech@vishay.com document number: 94312 2 revision: 16-mar-10 vs-mbrb735pbf, vs-mbrb745pbf vishay high power products schottky rectifier, 7.5 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) 15 a t j = 25 c 0.84 v 7.5 a t j = 125 c 0.57 15 a 0.72 maximum instantaneous reverse current i rm (1) t j = 25 c rated dc voltage 0.1 ma t j = 125 c 15 maximum junction capacitance c t v r = 5 v dc (test signal range 100 khz to 1 mhz), 25 c 400 pf typical series inductance l s measured from top of term inal 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 r thjc dc operation 3.0 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 6 (5) kgf cm (lbf in) maximum 12 (10) marking device case style d 2 pak mbrb735 mbrb745
document number: 94312 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 16-mar-10 3 vs-mbrb735pbf, vs-mbrb745pbf schottky rectifier, 7.5 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) 1 100 10 i f - instantaneous forward current (a) v fm - forward voltage drop (v) 0.2 0.4 0.8 1.2 1.6 2.0 0.6 1.0 1.4 1.8 0 t j = 150 c t j = 125 c t j = 25 c 0.0001 0.001 1 10 100 0.1 0.01 i r - reverse current (ma) v r - reverse voltage (v) 10 51520 40 45 25 30 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 100 1000 10 20 30 40 50 0 t j = 25 c v r - reverse voltage (v) c t - junction capacitance (pf) 0.001 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 p u lse (thermal resistance) d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 p dm t 1 t 2 n otes: 1. d u ty factor d = t 1 /t 2 2. peak t j = p dm x z thjc + t c
www.vishay.com for technical questions, contact: diodestech@vishay.com document number: 94312 4 revision: 16-mar-10 vs-mbrb735pbf, vs-mbrb745pbf vishay high power products schottky rectifier, 7.5 a fig. 5 - maximum allowable case temperature vs. average forward current fig. 6 - forward power loss characteristics fig. 7 - maximum non-repeti tive 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 120 130 140 150 allowable case temperature (c) i f ( av ) - average forward current (a) 6 28 410 12 0 dc see note (1) s qu are w a v e (d = 0.50) rated v r applied 0 1 3 6 5 4 2 7 average power loss (w) i f(av) - average forward current (a) 4 268 12 10 0 dc rms limit d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 100 1000 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 w ith rated v rrm applied follo w ing s u rge
document number: 94312 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 16-mar-10 5 vs-mbrb735pbf, vs-mbrb745pbf schottky rectifier, 7.5 a vishay high power products ordering information table 2 - essential part number 3 4 - current rating (7 = 7.5 a) 5 - 7 - voltage ratings pbf = lead (pb)-free 6 - 35 = 35 v 45 = 45 v none = tube (50 pieces) trl = tape and reel (left oriented - for d 2 pak only) - b = surface mount none = to-220 trr = tape and reel (right oriented - for d 2 pak only) 1 - hpp prod u ct s u ffix device code 5 13 24 67 vs- mbr b 7 45 trl pbf links to related documents dimensions www.vishay.com/doc?95046 part marking information www.vishay.com/doc?95054 packaging information www.vishay.com/doc?95032 spice model www.vishay.com/doc?95298
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.
|
