mbr3045ct, mbrf3045ct & mbrb3045ct series 0.08 (2.032) 0.24 (6.096) 0.42 (10.66) 0.63 (17.02) 0.12 (3.05) 0.33 (8.38) mounting pad layout to-263ab 0.380 (9.65) 0.411 (10.45) 0.320 (8.13) 0.360 (9.14) 0.591 (15.00) 0.624 (15.85) 1 2 0.245 (6.22) min k k 0.160 (4.06) 0.190 (4.83) 0.045 (1.14) 0.055 (1.40) 0.014 (0.36) 0.021 (0.53) 0.110 (2.79) 0.140 (3.56) 0.090 (2.29) 0.110 (2.79) 0.047 (1.19) 0.055 (1.40) pin 1 pin 2 k - heatsink 0-0.01 (0-0.254) 0.027 (0.686) 0.037 (0.940) 0.105 (2.67) 0.095 (2.41) 0.205 (5.20) 0.195 (4.95) 1 3 pin 2 0.060 (1.52) 0.405 (10.27) 0.383 (9.72) 0.191 (4.85) 0.171 (4.35) 0.600 (15.5) 0.580 (14.5) 0.560 (14.22) 0.530 (13.46) 0.037 (0.94) 0.027 (0.69) 0.140 (3.56) 0.130 (3.30) 0.350 (8.89) 0.330 (8.38) 0.188 (4.77) 0.172 (4.36) 0.110 (2.80) 0.100 (2.54) 0.131 (3.39) 0.122 (3.08) 0.110 (2.80) 0.100 (2.54) 0.022 (0.55) 0.014 (0.36) dia. dia. 0.676 (17.2) 0.646 (16.4) 0.205 (5.20) 0.195 (4.95) 0.105 (2.67) 0.095 (2.41) pin 2 pin 1 pin 3 ito-220ab (MBRF3035Ct, mbrf3045ct) to-220ab (mbr3035ct, mbr3045ct) dimensions in inches and (millimeters) to-263ab (mbrb3035ct, mbrb3045ct) 123 pin 0.185 (4.70) 0.175 (4.44) 0.055 (1.39) 0.045 (1.14) 0.145 (3.68) 0.135 (3.43) 0.350 (8.89) 0.330 (8.38) 0.560 (14.22) 0.530 (13.46) 0.022 (0.56) 0.014 (0.36) 0.110 (2.79) 0.100 (2.54) 0.603 (15.32) 0.573 (14.55) case 1.148 (29.16) 1.118 (28.40) pin 2 0.154 (3.91) 0.148 (3.74) 0.113 (2.87) 0.103 (2.62) 0.160 (4.06) 0.140 (3.56) 0.410 (10.41) 0.390 (9.91) 0.635 (16.13) 0.625 (15.87) 0.415 (10.54) max. 0.370 (9.40) 0.360 (9.14) pin 1 pin 3 0.028 (0.70) 0.104 (2.65) 0.096 (2.45) 0.035 (0.90) 0.205 (5.20) 0.195 (4.95) 0.105 (2.67) 0.095 (2.41) features ?plastic package has underwriters laboratory flammability classification 94v-0 ?dual rectifier construction, positive center tap ?metal silicon junction, majority carrier conduction ?low power loss, high efficiency ?guardring for overvoltage protection ?for use in low voltage, high frequency inverters, free wheeling, and polarity protection applications mechanical data case: jedec to-220ab, ito-220ab, to-263ab molded plastic body terminals: plated leads, solderable per mil-std-750, method 2026 high temperature soldering guaranteed: 250?/10 seconds, 0.25" (6.35mm) from case (to-220ab, ito-220ab) at terminals (to-236ab) polarity: as marked mounting position: any mounting torque: 10 in-lbs maximum weight: 0.08 oz., 2.24 g www.kersemi.com 1
maximum ratings (t c = 25? unless otherwise noted) parameter symbol mbr3035ct mbr3045ct unit maximum repetitive peak reverse voltage v rrm 35 45 v working peak reverse voltage v rwm 35 45 v maximum dc blocking voltage v dc 35 45 v maximum average forward rectified current total device 30 per leg i f(av) 15 a peakrepetitive forward current per leg i frm 30 a at t c = 105? (rated v r , square wave, 20khz) peak forward surge current 8.3ms single half sine-wave superimposed i fsm 200 a on rated load (jedec method) per leg peak repetitive reverse current per leg at t p = 2 s, 1kh z i rrm 2.0 a voltage rate of change (rated v r ) dv/dt 10,000 v/ s operating junction temperature range t j 65 to +150 ? storage temperature range t stg 65 to +175 ? rms isolation voltage (mbrf type only) from terminals 4500 (1) to heatsink with t = 1 second, rh 30% v isol 3500 (2) v 1500 (3) electrical characteristics (t c = 25? unless otherwise noted) parameter symbol value unit maximum instantaneous i f = 20a, t c = 125? 0.60 forward voltage per leg at (4) :i f = 30a, t c = 25? v f 0.76 v i f = 30a, t c = 125? 0.72 maximum instantaneous reverse current t j = 25? 1.0 ma per leg at rated dc blocking voltage (4) t j = 125? i r 60 thermal characteristics (t c = 25? unless otherwise noted) parameter symbol mbr mbrf mbrb unit typical thermal resistance per leg r jc 1.5 4.5 1.5 ?/w notes: (1) clip mounting (on case), where lead does not overlap heatsink with 0.110 offset (2) clip mounting (on case), where leads do overlap heatsink (3) screw mounting with 4-40 screw, where washer diameter is 4.9 mm (0.19? (4) pulse test: 300 s pulse width, 1% duty cycle ordering information product case package code package option mbr3035ct - mbr3045ct to-220ab 45 anti-static tube, 50/tube, 2k/carton MBRF3035Ct - mbrf3045ct ito-220ab 45 anti-static tube, 50/tube, 2k/carton 31 13 reel, 800/reel, 4.8k/carton mbrb3035ct - mbrb3045ct to-263ab 45 anti-static tube, 50/tube, 2k/carton 81 anti-static 13 reel, 800/reel, 4.8k/carton mbr3045ct, mbrf3045ct & mbrb3045ct series www.kersemi.com 2
mbr3045ct, mbrf3045ct & mbrb3045ct series i f instantaneous forward current (a) 50 10 i r instantaneous reverse current (ma) fig. 4 ?typical reverse characteristics per leg 1.0 0.1 0.01 fig. 1 ?forward current derating curve 0 6 12 24 30 0 50 100 150 18 average forward current (a) peak forward surge current (a) number of cycles at 60 h z fig. 2 ?maximum non-repetitive peak forward surge current per leg 0 50 150 100 250 200 300 110 100 t j = t j max. 8.3ms single half sine-wave (jedec method) case temperature ( fig. 3 ?typical instantaneous forward characteristics per leg 1.0 10 50 0.01 0.001 0.1 t j = 125 pulse duration (sec.) t j = 25 fig. 5 ?typical junction capacitance per leg pf junction capacitance 110 100 1,000 5,000 100 0.1 reverse voltage (v) t j = 25 fig. 6 ?typical transient thermal impedance per leg 0 20 100 40 60 80 instantaneous forward voltage (v) 0 0.2 0.1 0.5 1.0 0.4 0.3 0.6 0.7 0.8 0.5 0.9 percent of rated peak reverse voltage (%) www.kersemi.com 3
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