document number: 94326 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 16-mar-10 1 schottky rectifier, 20 a vs-stps20l15gpbf vishay high power products features ? 125 c t j operation (v r < 5 v) ? center tap module ? optimized for or-ing applications ? 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 the schottky rectifier modu le has been optimized for ultralow forward voltage drop specifically for the or-ing of parallel power supplies. the proprietary barrier technology allows for reliable operation up to 125 c junction temperature. typical applications are in parallel switching power supplies, co nverters, reverse battery protection, and redund ant power subsystems. product summary i f(av) 20 a v r 15 v i rm 600 ma at 100 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 20 a v rrm 15 v i fsm t p = 5 s sine 700 a v f 19 apk, t j = 125 c (typical) 0.25 v t j range - 55 to 125 c voltage ratings parameter symbol test condit ions vs-stps20l15gpbf units maximum dc reverse voltage v r t j = 100 c 15 v maximum working peak reverse voltage v rwm absolute maximum ratings parameter symbol test conditions values units maximum average forward current see fig. 5 i f(av) 50 % duty cycle at t c = 85 c, rectangular waveform 20 a maximum peak one cycle non-repetitive surge current see fig. 7 i fsm 5 s sine or 3 s rect. pulse following any rated load condition and with rated v rrm applied 700 10 ms sine or 6 ms rect. pulse 330 non-repetitive avalanche energy e as t j = 25 c, i as = 2 a, l = 6 mh 10 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: 94326 2 revision: 16-mar-10 vs-stps20l15gpbf vishay high power products schottky rectifier, 20 a note (1) pulse width < 300 s, duty cycle < 2 % electrical specifications parameter symbol test co nditions typ. max. units forward voltage drop see fig. 1 v fm (1) 19 a t j = 25 c -0.41 v 40 a - 0.52 19 a t j = 125 c 0.25 0.33 40 a 0.37 0.50 reverse leakage current see fig. 2 i rm (1) t j = 25 c v r = rated v r -10 ma t j = 100 c - 600 threshold voltage v f (to) t j = t j maximum 0.182 v forward slope resistance r t 7.6 m maximum junction capacitance c t v r = 5 v dc (test signal range 100 khz to 1 mhz), 25 c - 2000 pf typical series inductance l s measured lead to lead 5 mm from package body 8 - 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 - 55 to 125 c maximum storage temperature range t stg - 55 to 150 maximum thermal resistance, junction to case r thjc dc operation see fig. 4 1.5 c/w typical thermal resistance, case to heatsink r thcs mounting surface, smooth an d greased (for to-220) 0.50 maximum thermal resistance, junction to ambient r thja dc operation (for d 2 pak) 40 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 d 2 pak stps20l15g
document number: 94326 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 16-mar-10 3 vs-stps20l15gpbf schottky rectifier, 20 a vishay high power products fig. 1 - maximum forward voltage drop characteristics fig. 2 - typical values of reverse current vs. reverse voltage fig. 3 - typical junction capacitance vs. reverse voltage fig. 4 - maximum thermal impedance z thjc characteristics 1 100 10 1000 i f - instantaneous forward current (a) v fm - forward voltage drop (v) 0.2 0.4 0.6 0.8 1.2 1.6 1.0 1.4 0 t j = 125 c t j = 75 c t j = 25 c 1 10 100 0.1 1000 i r - reverse current (ma) v r - reverse voltage (v) 6 3912 15 0 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) 10 515 20 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) 100 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: 94326 4 revision: 16-mar-10 vs-stps20l15gpbf vishay high power products schottky rectifier, 20 a fig. 5 - maximum allowable case temperature vs. average forward current fig. 6 - forward power loss characteristics fig. 7 - maximum non- repetitive surge current 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 = 80 % rated v r 70 75 85 90 95 100 allowable case temperature (c) i f ( av ) - average forward current (a) 8 4 121620 24 0 80 see note (1) s qu are w a v e (d = 0.50) 0 2 6 12 10 8 4 14 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 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: 94326 for technical questions, contact: diodestech@vishay.com www.vishay.com revision: 16-mar-10 5 vs-stps20l15gpbf schottky rectifier, 20 a vishay high power products ordering information table 2 - essential part number 3 - current rating (20 = 20 a) 4 - low voltage 5 - voltage rating (15 = 15 v) - g = d 2 pak package 6 7 - none = tube (50 pieces) trl = tape and reel (left oriented) - pbf = lead (pb)-free (for d 2 pak tube) p = lead (pb)-free (for d 2 pak trr and trl) trr = tape and reel (right oriented) 8 1 - hpp prod u ct s u ffix device code 5 1 3 24 678 vs- stps 20 l 15 g 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
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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