document number: 94228 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 15-mar-10 1 schottky rectifier, 2 x 20 a vs-47ctq020spbf, vs-47ctq020-1pbf vishay high power products features ? 150 c t j operation ? center tap configuration ? optimized for 3.3 v application ? ultralow forward voltage drop ? high frequency operation ? guard ring for enhanced ruggedness and long term reliability ? high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance ? 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 rectifier module has been optimized for ultralow forward voltage drop specifically for 3.3 v output power suppli es. the proprietary barrier technology allows for reliable operation up to 150 c junction temperature. typica l applications are parallel switching power supplies, co nverters, reverse battery protection, and redund ant power subsystems. product summary i f(av) 2 x 20 a v r 20 v i rm 310 ma at 125 c vs-47ctq020spbf d 2 pak to-262 vs-47ctq020-1pbf base common cathode anode anode common cathode 1 3 2 2 base 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 20 v i fsm t p = 5 s sine 1000 a v f 20 apk, t j = 125 c 0.34 v t j - 55 to 150 c voltage ratings parameter symbol test conditions vs-47ctq020spbf vs-47ctq020-1pbf units maximum dc reverse voltage v r 125 c 20 v 150 c 10 absolute maximum ratings parameter symbol test conditions values units maximum average forward current per leg i f(av) 50 % duty cycle at t c = 135 c, rectan gular waveform 20 a per device 40 maximum peak one cycle non-repetitive surge current per leg i fsm 5 s sine or 3 s rect. pulse following any rated load condition and with rated v rrm applied 1000 10 ms sine or 6 ms rect. pulse 250 non-repetitive avalanche energy per leg e as t j = 25 c, i as = 3 a, l = 3 mh 18 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: 94228 2 revision: 15-mar-10 vs-47ctq020spbf, vs-47ctq020-1pbf 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 v fm (1) 20 a t j = 25 c 0.45 v 40 a 0.51 20 a t j = 125 c 0.34 40 a 0.44 20 a t j = 150 c 0.31 40 a 0.42 maximum reverse leakage current per leg i rm (1) t j = 125 c v r = 5 v 60 ma v r = 3.3 v 45 t j = 150 c v r = 10 v 306 t j = 25 c v r = rated v r 3 t j = 125 c 310 threshold voltage v f(to) t j = t j maximum 0.188 v forward slope resistance r t 5.9 m maximum junction ca pacitance per leg c t v r = 5 v dc (test signal range 100 khz to 1 mhz), 25 c 3000 pf typical series inductance per leg l s measured lead to lead 5 mm from package body 5.5 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 1.5 c/w maximum thermal resistance, junction to case per package 0.75 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 47ctq020s case style to-262 47ctq020-1
document number: 94228 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 15-mar-10 3 vs-47ctq020spbf, vs-47ctq020-1pbf 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 1.2 1.4 0 t j = 150 c t j = 125 c t j = 25 c 0.01 10 100 1 0.1 1000 i r - reverse current (ma) v r - reverse voltage (v) 4 8 16 12 20 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) 4 26 8 10 14 16 1 8 20 22 12 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) 10 100 d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 single p u lse (thermal resistance) 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: 94228 4 revision: 15-mar-10 vs-47ctq020spbf, vs-47ctq020-1pbf 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 90 100 110 120 130 140 160 150 allowable c ase temperature ( c ) i f ( av ) - average forward current (a) 10 51520 25 30 0 dc see note (1) s qu are w a v e (d = 0.50) 10 v applied 0 2 4 6 8 10 12 average power loss (w) i f(av) - average forward current (a) 10 5152030 25 0 dc rms limit d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 100 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 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: 94228 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 15-mar-10 5 vs-47ctq020spbf, vs-47ctq020-1pbf 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 (020 = 20 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- 47 c t q 020 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.
|
