document number: 94213 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 15-mar-10 1 schottky rectifier, 2 x 20 a vs-40ctq045spbf, vs-40ctq045-1pbf vishay high power products features ? 150 c t j operation ? center tap configuration ? very low forward voltage drop ? high frequency operation ? high purity, high temperature epoxy encapsulation for enhanced mechanical strength and mois ture 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 this center tap schottky rect ifier has been optimized for very low forward voltage drop, with moderate leakage. the proprietary barrier technology allows for reliable operation up to 150 c junction tempera ture. typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. product summary i f(av) 2 x 20 a v r 45 v v s -40ctq045 s p b f d 2 pak to-262 v s -40ctq045-1p b f ba s e common cathode a node anode common cathode 1 3 2 2 ba s e common cathode anode anode common cathode 1 3 2 2 major ratings and characteristics symbol characteristics values units i f(av) rectangular waveform 40 a v rrm 45 v i fsm t p = 5 s sine 1240 a v f 20 apk, t j = 125 c (per leg) 0.48 v t j range - 55 to 150 c voltage ratings parameter symbol vs-40ctq045spbf vs-40ctq045-1pbf 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 = 116 c, rectangular waveform 20 a per device 40 maximum peak one cycle 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 1240 10 ms sine or 6 ms rect. pulse 350 non-repetitive avalanche energy per leg e as t j = 25 c, i as = 3 a, l = 4.40 mh 20 mj repetitive avalanche current per leg 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 3a
www.vishay.com for technical questions, contact: diodestech@vishay.com document number: 94213 2 revision: 15-mar-10 vs-40ctq045spbf, vs-40ctq045-1pbf vishay high power products schottky rectifier, 2 x 20 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) 20 a t j = 25 c 0.53 v 40 a 0.68 20 a t j = 125 c 0.48 40 a 0.67 maximum reverse leakage current per leg see fig. 2 i rm (1) t j = 25 c v r = rated v r 3 ma t j = 125 c 115 threshold voltage v f(to) t j = t j maximum 0.27 v forward slope resistance r t 8.72 m maximum junction ca pacitance per leg c t v r = 5 v dc (test signal range 100 khz to 1 mhz), 25 c 2800 pf typical series inductance per leg l s measured lead to lead 5 mm from package body 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 and storage temperature range t j , t stg - 55 to 150 c maximum thermal resistance, junction to case per leg r thjc dc operation 2.0 c/w maximum thermal resistance, junction to case per package 1.0 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 40ctq045s case style to-262 40ctq045-1
document number: 94213 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 15-mar-10 3 vs-40ctq045spbf, vs-40ctq045-1pbf schottky rectifier, 2 x 20 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 1000 i f - instantaneous forward current (a) v fm - forward voltage drop (v) 0.2 0.4 0.6 0.8 1.0 1.4 1.2 1.8 0 1.6 t j = 150 c t j = 125 c t j = 25 c 0.001 1 10 100 0.1 0.01 1000 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 10 000 c t - junction capacitance (pf) v r - reverse voltage (v) 20 10 30 40 50 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 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 100
www.vishay.com for technical questions, contact: diodestech@vishay.com document number: 94213 4 revision: 15-mar-10 vs-40ctq045spbf, vs-40ctq045-1pbf vishay high power products schottky rectifier, 2 x 20 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-repeti tive surge current (per leg) 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 = 10 v 100 105 110 115 120 125 130 135 140 150 145 allowable case temperature (c) i f(av) - average forward current (a) 10 5152030 025 dc see note (1) s qu are w a v e (d = 0.50) 80 % rated v r applied 0 2 4 6 8 10 12 14 16 18 average power loss (w) i f(av) - average forward current (a) 10 51520 30 25 0 dc rms limit d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 100 1000 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 w ith rated v rrm applied follo w ing s u rge c u rrent monitor high-speed s w itch d.u.t. r g = 25 + free w heel diode v d = 25 v l irfp460 40hfl40s02
document number: 94213 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 15-mar-10 5 vs-40ctq045spbf, vs-40ctq045-1pbf schottky rectifier, 2 x 20 a vishay high power products ordering information table 2 - current rating (40 a) 3 - circuit configuration: c = common cathode 4 - t = to-220 5 - schottky ?q? series 6 - voltage rating (045 = 45 v) 7 - s = d 2 pak -1 = to-262 8 - none = tube (50 pieces) trl = tape and reel (left oriented - for d 2 pak only) trr = tape and reel (right oriented - for d 2 pak only) - pbf = lead (pb)-free 9 1 - hpp prod u ct s u ffix device code 5 1 3 24 6789 vs- 40 c t q 045 s trl pbf links to related documents dimensions www.vishay.com/doc?95014 part marking information www.vishay.com/doc?95008 packaging information www.vishay.com/doc?95032
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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