document number: 94265 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 06-jun-08 1 schottky rectifier, 8 a 8tq...pbf series vishay high power products features ? 175 c t j operation ? 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 ? lead (pb)-free (?pbf? suffix) ? designed and qualified for industrial level description the 8tq...pbf schottky rectif ier series has been optimized for low reverse leakage at high temperature. 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) 8 a v r 60 to 100 v to-220ac anode 1 3 c a thode b as e c a thode 2 available pb-free rohs* compliant major ratings and characteristics symbol characteristics values units i f(av) rectangular waveform 8 a v rrm range 60 to 100 v i fsm t p = 5 s sine 850 a v f 8 apk, t j = 125 c 0.58 v t j range - 55 to 175 c voltage ratings parameter symbol 8tq060pbf 8TQ080PBF 8tq100pbf units maximum dc reverse voltage v r 60 80 100 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 = 157 c, rectangular waveform 8 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 850 a 10 ms sine or 6 ms rect. pulse 2 3 0 non-repetitive avalanche energy e as t j = 25 c, i as = 0.50 a, l = 60 mh 7.50 mj repetitive avalanche current i ar current decaying linearly to zero in 1 s frequency limited by t j maximum v a = 1.5 x v r typical 0.50 a * pb containing terminations are not rohs compliant, exemptions may apply
www.vishay.com for technical questi ons, contact: diodes-tech@vishay.com document number: 94265 2 revision: 06-jun-08 8tq...pbf series vishay high power products schottky rectifier, 8 a note (1) pulse width < 3 00 s, duty cycle < 2 % electrical specifications parameter symbol test conditions values units maximum forward voltage drop see fig. 1 v fm (1) 8 a t j = 25 c 0.72 v 16 a 0.88 8 a t j = 125 c 0.58 16 a 0.69 maximum reverse leakage current see fig. 2 i rm (1) t j = 25 c v r = rated v r 0.55 ma t j = 125 c 7 maximum junction capacitance c t v r = 5 v dc (test signal range 100 khz to 1 mhz) 25 c 500 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 and storage temperature range t j , t stg - 55 to 175 c maximum thermal resistance, junction to case r thjc dc operation see fig. 4 2.0 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-220ac 8tq060 8tq080 8tq100
document number: 94265 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 06-jun-08 3 8tq...pbf series schottky rectifier, 8 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 capacitance vs. reverse voltage fig. 4 - maximum thermal impedance z thjc characteristics v fm - forward voltage drop (v) i f - instantaneous forward current (a) 1.4 0.2 0.4 0.6 0.8 1.0 1.2 1.6 1 10 100 t j = 25 c t j = 175 c t j = 125 c 1000 0.1 1.8 2.0 2.2 0 v r - reverse voltage (v) i r - reverse current (ma) 0.0001 0.001 0.01 0.1 1 0 20406080100 10 100 t j = 150 c t j = 100 c t j = 175 c t j = 125 c t j = 25 c t j = 75 c t j = 50 c 1000 v r - reverse voltage (v) c t - junction capacitance (pf) 0 100 10 110 30 40 20 50 60 70 80 90 100 t j = 25 c t 1 - rectangular pulse duration (s) z thjc - thermal impedance (c/w) 0.1 1 10 0.0001 0.001 0.01 0.1 1 single pulse (thermal resistance) d = 0.75 d = 0.33 d = 0.25 d = 0.20 d = 0.50
www.vishay.com for technical questi ons, contact: diodes-tech@vishay.com document number: 94265 4 revision: 06-jun-08 8tq...pbf series vishay high power products schottky rectifier, 8 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 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 = 80 % rated v r i f(av) - average forward current (a) allowable ca s e temperature (c) 140 145 150 155 160 165 1 8 0 012 2 4 6 8 10 s ee note (1) dc squa re w a ve (d = 0.50) 8 0 % r a ted v r a pplied 170 175 i f(av) - average forward current (a) average power lo ss (w) 024 12 0 1 2 3 4 7 6 8 d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 rm s limit dc 5 6 10 t p - s quare wave pul s e duration ( s ) i f s m - non-repetitive s urge current (a) 10 100 1000 10 000 100 1000 at a ny r a ted lo a d condition a nd with r a ted v rrm a pplied following su rge current monitor high-speed switch d.u.t. r g = 25 + freewheel diode v d = 25 v l irfp460 40hfl40s02
document number: 94265 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 06-jun-08 5 8tq...pbf series schottky rectifier, 8 a vishay high power products ordering information table 1 - current rating (8 = 8 a) 2 - package: t = to-220 3 - schottky "q" series 4 - voltage ratings 5 - none = standard production pbf = lead (pb)-free tube standard pack quantity: 50 pieces 060 = 60 v 080 = 80 v 100 = 100 v device code 5 13 24 8 t q 100 pbf links to related documents dimensions http://www.vishay.com/doc?95221 part marking information http://www.vishay.com/doc?95224
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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