document number: 94241 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 13-aug-08 1 schottky rectifier, 2 x 30 a 61ctq...pbf series 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 ? lead (pb)-free (?pbf? suffix) ? 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 35 to 45 v to-220ab anode 1 3 2 b as e common c a thode 2 common c a thode anode available pb-free rohs* compliant major ratings and characteristics symbol characteristics values units i f(av) rectangular waveform (per device) 60 a v rrm 35 to 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 61CTQ035pbf 61ctq040pbf 61ctq045pbf units maximum dc reverse voltage v r 35 40 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 * pb containing terminations are not rohs compliant, exemptions may apply
www.vishay.com for technical questi ons, contact: diodes-tech@vishay.com document number: 94241 2 revision: 13-aug-08 61ctq...pbf series 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 61CTQ035 61ctq040 61ctq045
document number: 94241 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 13-aug-08 3 61ctq...pbf series 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 capacitance 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: 94241 4 revision: 13-aug-08 61ctq...pbf series 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-repetitive 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: 94241 for technical ques tions, contact: diodes-tech@vishay.com www.vishay.com revision: 13-aug-08 5 61ctq...pbf series 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 ratings 6 - none = standard production pbf = lead (pb)-free tube standard pack quantity: 50 pieces 035 = 35 v 040 = 40 v 045 = 45 v device code 5 13 24 6 61 c t q 045 pbf links to related documents dimensions http://www.vishay.com/doc?95222 part marking information http://www.vishay.com/doc?95225
document number: 95222 for technical ques tions within your region, please cont act one of the following: www.vishay.com revision: 08-mar-11 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com 1 to-220ab outline dimensions vishay semiconductors dimensions in millimeters and inches notes (1) dimensioning and tolerancin g as per asme y14.5m-1994 (2) lead dimension and fini sh uncontrolled in l1 (3) dimension d, d1 and e do not in clude mold flash. mold flash shall not exceed 0.127 mm (0.005" ) per side. these dimensions are measured at the outermost extremes of th e plastic body (4) dimension b1, b3 and c1 apply to base metal only (5) controlling dimensions: inches (6) thermal pad contour optional within dimensions e, h1, d2 and e1 (7) dimensions e2 x h1 define a zone where stamping and singulation irregularities are allowed (8) outline conforms to jedec to- 220, except a2 (maximum) and d2 (minimum) where dimensions are derived from the actual package outline symbol millimeters inches notes symbol millimeters inches notes min. max. min. max. min. max. min. max. a 4.25 4.65 0.167 0.183 e 10.11 10.51 0.398 0.414 3, 6 a1 1.14 1.40 0.045 0.055 e1 6.86 8.89 0.270 0.350 6 a2 2.56 2.92 0.101 0.115 e2 - 0.76 - 0.030 7 b 0.69 1.01 0.027 0.040 e 2.41 2.67 0.095 0.105 b1 0.38 0.97 0.015 0.038 4 e1 4.88 5.28 0.192 0.208 b2 1.20 1.73 0.047 0.068 h1 6.09 6.48 0.240 0.255 6, 7 b3 1.14 1.73 0.045 0.068 4 l 13.52 14.02 0.532 0.552 c 0.36 0.61 0.014 0.024 l1 3.32 3.82 0.131 0.150 2 c1 0.36 0.56 0.014 0.022 4 ? p 3.54 3.73 0.139 0.147 d 14.85 15.25 0.585 0.600 3 q 2.60 3.00 0.102 0.118 d1 8.38 9.02 0.330 0.355 ? 90 to 93 90 to 93 d2 11.68 12.88 0.460 0.507 6 13 2 d d1 h1 q 13 2 c c d d 3 x b2 3 x b (b, b2) b1, b3 (h1) d2 detail b c a b l e1 lead tip e e2 ? p 0.014 a b m m 0.015 a b mm s eating plane c a2 a1 a a a lead assignments diode s 1. - anode/open 2. - cathode 3. - anode conforms to jedec outline to-220ab (6) (6) (7) (6) (7) e 2 x l1 (2) detail b s ection c - c and d - d view a - a ba s e metal plating (4) (4) c1 c (6) thermal pad (e) e1 (6)
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