document number: 93342 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 22-aug-08 1 schottky rectifier, 2 x 20 a 40L15CT vishay high power products features ? 125 c t j operation (v r < 5 v) ? center tap configuration ? very low forward voltage drop ? high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance ? high frequency operation ? 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 very low forward voltage drop, with moderate leakage. the proprietary barrier technology allows for reliable operation up to 125 c junction temperature. 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 15 v i rm 600 ma at 100 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 40 a v rrm 15 v i fsm t p = 5 s sine 700 a v f 19 apk, t j = 125 c (per leg) 0.25 v t j range - 55 to 125 c voltage ratings parameter symbol 40L15CT units maximum dc reverse voltage v r 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 per leg i f(av) 50 % duty cycle at t c = 85 c, rectangular waveform 20 a per device 40 maximum peak one c ycle 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 700 10 ms sine or 6 ms rect. pulse 330 non-repetitive aval anche energy per leg e as t j = 25 c, i as = 2 a, l = 6 mh 10 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: 93342 2 revision: 22-aug-08 40L15CT 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 typ. max. units forward voltage drop per leg 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 per leg 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 per leg c t v r = 5 v dc (test signal range 100 khz to 1 mhz) 25 c - 2000 pf typical series inductance per leg 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 and storage temperature range t j , t stg - 55 to 125 c 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 6 (5) kgf cm (lbf in) maximum 12 (10) marking device case style to-220ab 40L15CT
document number: 93342 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 22-aug-08 3 40L15CT 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 capacit ance vs. reverse voltage (per leg) fig. 4 - maximum thermal impedance z thjc characteristics (per leg) 1 10 0.8 1.2 v fm - forward voltage drop (v) i f - instantaneous forward current (a) 100 0.4 0 0.2 0.6 1.0 1.4 1.6 1000 t j = 125 c t j = 75 c t j = 25 c 0.1 1 10 100 0 v r - reverse voltage (v) i r - reverse current (ma) 69 15 1000 3 12 t j = 50 c t j = 100 c t j = 75 c t j = 25 c 10 000 01520 100 v r - reverse voltage (v) c t - junction capacitance (pf) 5 1000 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 = 0.20 100 0.01 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 10
www.vishay.com for technical questi ons, contact: diodes-tech@vishay.com document number: 93342 4 revision: 22-aug-08 40L15CT 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-repetit ive surge current (per leg) fig. 8 - unclamped inductive 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 70 024 i f(av) - average forward current (a) allowable case temperature (c) 80 95 90 100 75 85 16 12 8 4 square wave (d = 0.50) see note (1) 20 0 025 14 average power loss (w) i f(av) - average forward current (a) 5101520 2 6 10 d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 dc 30 4 8 12 rms limit 100 1000 t p - square wave pulse duration (s) i fsm - non-repetitive surge current (a) 100 10 000 10 1000 at any rated load condition and with rated v rrm applied following surge current monitor high-speed switch d.u.t. r g = 25 + freewheel diode v d = 25 v l irfp460 40hfl40s02
document number: 93342 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 22-aug-08 5 40L15CT schottky rectifier, 2 x 20 a vishay high power products ordering information table 1 - current rating (40 = 40 a) 2 - schottky ?l? series 3 - voltage rating (15 = 15 v) 4 - c = common cathode 5 - package: t = to-220 6 - none = standard production pbf = lead (pb)-free tube standard pack quantity: 50 pieces device code 5 13 24 6 40 l 15 c t - 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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