document number: 93374 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 21-aug-08 1 schottky rectifier, 2 x 30 a 61CTQ045 vishay high power products features ? 175 c t j operation ? center tap to-220 package ? low forward voltage drop ? high frequency operation ? high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance ? 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 low reverse leakage at high temperat ure. the proprietary barrier technology allows for reliable operation up to 175 c junction temperature. typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. product summary i f(av) 2 x 30 a v r 45 v 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 (per device) 60 a v rrm 45 v i frm t c = 142 c (per leg) 60 a i fsm t p = 5 s sine 2600 v f 30 apk, t j = 125 c 0.57 v t j range - 65 to 175 c voltage ratings parameter symbol 61CTQ045 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 per leg i f(av) t c = 142 c, rated v r 30 a per device 60 peak repetitive forward current per leg i frm rated v r , square wave, 20 khz, t c = 142 c 60 maximum peak one c ycle 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 2600 10 ms sine or 6 ms rect. pulse 350 non-repetitive aval anche energy per leg e as t j = 25 c, i as = 4 a, l = 3.4 mh 27 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 4a
www.vishay.com for technical questi ons, contact: diodes-tech@vishay.com document number: 93374 2 revision: 21-aug-08 61CTQ045 vishay high power products schottky rectifier, 2 x 30 a note (1) pulse width < 300 s, duty cycle < 2 % electrical specifications parameter symbol test conditions typ. max. units maximum forward voltage drop v fm (1) 30 a t j = 25 c 0.57 0.61 v 60 a 0.72 0.76 30 a t j = 125 c 0.53 0.57 60 a 0.70 0.74 maximum instantaneous reverse current i rm t j = 25 c rated dc voltage 0.06 1 ma t j = 125 c 21 40 maximum junction capacitance c t v r = 5 v dc (test signal range 100 khz to 1 mhz) 25 c 1900 pf typical series inductance l s measured from top of terminal 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 and storage temperature range t j , t stg - 65 to 175 c maximum thermal resistance, junction to case per leg r thjc dc operation 1.2 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 non-lubricated threads 6 (5) kgf cm (lbf in) maximum 12 (10) marking device case style to-220ab 61CTQ045
document number: 93374 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 21-aug-08 3 61CTQ045 schottky rectifier, 2 x 30 a vishay high power products fig. 1 - maximum forward voltage drop characteristic s fig. 2 - typical values of reverse current vs. reverse voltage fig. 3 - typical junction c apacitance vs. reverse voltage fig. 4 - maximum thermal impedance z thjc characteristics 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 1000 t j = 175 c t j = 125 c t j = 25 c 0.1 1 10 100 0.001 0 v r - reverse voltage (v) i r - reverse current (ma) 40 50 1000 30 20 10 t j = 150 c t j = 25 c t j = 50 c t j = 100 c t j = 125 c t j = 75 c t j = 175 c 0.01 10 000 02030 v r - reverse voltage (v) c t - junction capacitance (pf) 10 1000 35 40 45 100 25 15 5 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 0.001 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 0.01
www.vishay.com for technical questi ons, contact: diodes-tech@vishay.com document number: 93374 4 revision: 21-aug-08 61CTQ045 vishay high power products schottky rectifier, 2 x 30 a fig. 5 - maximum allowable case temperature vs. average forward current fig. 6 - forward powe r loss characteristics fig. 7 - maximum non-repetit ive 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 = 80 % rated v r 030 i f(av) - average forward current (a) allowable case temperature (c) 120 160 140 20 15 10 5 see note (1) 25 180 100 square wave (d = 0.50) 80 % rated v r applied 35 40 45 dc 0 025 20 average power loss (w) i f(av) - average forward current (a) 5 101520 d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 30 10 15 5 35 40 45 25 30 dc rms limit 100 1000 t p - square wave pulse duration (s) i fsm - non-repetitive surge current (a) 100 10 000 10 10 000 1000 at any rated load condition and with rated v rrm applied following surge
document number: 93374 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 21-aug-08 5 61CTQ045 schottky rectifier, 2 x 30 a vishay high power products ordering information table 1 - current rating (60 = 60 a) 2 - circuit configuration: c = common cathode 3 - package: t = to-220 4 - schottky ?q? series 5 - voltage rating (045 = 45 v) 6 - none = standard production pbf = lead (pb)-free tube standard pack quantity: 50 pieces device code 5 13 24 6 61 c t q 045 - 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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