kbu4a thru kbu4m vishay semiconductors formerly general semiconductor document number 88656 www.vishay.com 08-jul-02 1 single-phase bridge rectifier reverse voltage 50 and 1000 v forward current 4.0 a 0.160 (4.1) 0.065 (1.7) 0.185 (4.7) 0.895 (22.7) 0.935 (23.7) 0.140 (3.6) 0.165 (4.2) 0.085 (2.2) 0.240 (6.09) 0.200 (5.08) 0.220 (5.6) 0.180 (4.6) 0.075 (1.9) r. typ. (2 places) 45 o 0.205 (5.2) 0.185 (4.7) 0.052 (1.3) 0.048 (1.2) 0.280 (7.1) 0.260 (6.6) dia. 0.760 (19.3) max. 0.700 (17.8) 0.660 (16.8) 1.0 (25.4) min. 0.455 (11.3) 0.405 (10.3) maximum ratings & thermal characteristics ratings at 25? ambient temperature unless otherwise specified. kbu kbu kbu kbu kbu kbu kbu symbols 4a 4b 4d 4g 4j 4k 4m units maximum repetitive peak reverse voltage v rrm 50 100 200 400 600 800 1000 v maximum rms voltage v rms 35 70 140 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 400 600 800 1000 v maximum average forward t c =100? (1) 4.0 rectified output current at t a =30? (2) i f(av) 4.0 a peak forward surge current single sine-wave superimposed on rated load i fsm 200 a (jedec method) typical thermal resistance per leg (2) r ja 19 (1) r jl 4.0 ?/w operating junction and storage temperature range t j, t stg -50 to +150 ? electrical characteristics ratings at 25? ambient temperature unless otherwise specified. maximum instantaneous forward drop per leg at 4.0 a v f 1.0 v maximum dc reverse current at rated t a = 25? 5.0 a dc blocking voltage per leg t a =125? i r 1.0 ma notes: (1) units mounted on a 2.0 x 1.6 x 0.3" thick (5 x 4 x 0.8cm.) al. plate (2) units mounted on p.c.b. with 0.5 x 0.5" (12 x 12mm) copper pads and 0.375" (9.5mm) lead length (3) recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screw dimensions in inches and (millimeters) features ?plastic package has underwriters laboratory flammability classification 94v-0 ?this series is ul listed under the recognized component index, file number e54214 ?high case dielectric strength of 1500 v rms ?ideal for printed circuit boards ?surge overload rating of 200a peak ?typical i r less than 0.1 a ?high temperature soldering guaranteed: 250?/10 seconds, 0.375 (9.5mm) lead length, 5lbs. (2.3kg) tension mechanical data case: molded plastic body terminals: plated leads solderable per mil-std-750, method 2026 mounting position: any (note 3) weight: 0.3 oz., 8.0 g packaging codes/options: 1/250 ea. per bulk tray stack case style kbu
kbu4a thru kbu4m vishay semiconductors formerly general semiconductor www.vishay.com document number 88656 2 08-jul-02 ratings and characteristic curves (t a = 25? unless otherwise noted) temperature ( c) fig. 1 ?derating curve output rectified current average forward current (a) fig. 3 ?typical instantaneous forward characteristics per leg instantaneous forward voltage (v) instantaneous forward current (a) percent of rated peak reverse voltage (%) instantaneous reverse current ( a) fig. 4 ?typical reverse leakage characteristics per leg number of cycles at 60 h z fig. 2 ?maximum non-repetitive peak forward surge current per leg peak forward surge current (a) reverse voltage (v) junction capacitance, pf fig. 5 ?typical junction capacitance per leg 0.6 0.7 100 1.0 1 0.1 0.8 0.9 1.0 1.1 1.2 1.3 0 50 100 150 0 1 2 3 4 1 10 100 25 50 75 100 125 150 175 200 0 20 40 60 80 100 0.01 0.1 1 10 50 0.1 1 10 100 0 25 50 75 100 150 t j = 100 c t j = 25 c t a , p.c.b. mounting 0.47" x 0.47" (12 x 12mm) copper pads heatsink mounting, t c, 2.0 x 1.6 x 3.0" (5.0 x 4.0 x 0.8cm) al. plate t j = 150 c single sine-wave (jedec method) t j = 25 c pulse width = 300 s 1% duty cycle t j = 25 c f = 1.0mh z vsig = 50mvp-p 60 h z resistive or inductive load
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