kbu6a thru kbu6m document number 88657 12-jul-05 vishay general semiconductor www.vishay.com 1 case style kbu ~ ~ ~ ~ single-phase bridge rectifier major ratings and characteristics i f(av) 6 a v rrm 50 v to 1000 v i fsm 200 a i r 5 a v f 1.0 v t j max. 150 c features ? ul recognition file number e54214 ? ideal for printed circuit boards ? high surge current capability ? high case dielectric strength of 1500 v rms ? solder dip 260 c, 40 seconds typical applications general purpose use in ac-to-dc bridge full wave rec- tification for monitor, tv, printer, smps, adapter, audio equipment, and home appliances applications mechanical data case: kbu epoxy meets ul-94v-0 flammability rating terminals: silver plated (e4 suffix) leads, solderable per j-std-002b and jesd22-b102d polarity: as marked on body mounting torque: 10 cm-kg (8.8 inches-lbs) max. recommended torque: 5.7 cm-kg (5 inches-lbs) maximum ratings ratings at 25 c ambient temper ature unless otherwise specified. electrical characteristics ratings at 25 c ambient temper ature unless otherwise specified. parameter symbols kbu6a kbu6b kbu6d kbu6g kbu6j kbu6k kbu6m 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 c (1)(2) rectified output current at t a = 40 c (3) i f(av) 6.0 6.0 a peak forward surge current single sine-wave superimposed on rated load i fsm 250 a operating junction and storage temperature range t j , t stg - 50 to + 150 c parameter test condition symbols kbu6a kbu6b kbu6d kbu6g kbu6j kbu6k kbu6m units maximum instantaneous forward drop per leg at 6.0 a v f 1.0 v maximum dc reverse current at rated dc blocking voltage per leg t a = 25 c t a = 125 c i r 5.0 1.0 a ma
www.vishay.com 2 document number 88657 12-jul-05 kbu6a thru kbu6m vishay general semiconductor thermal characteristics ratings at 25 c ambient temper ature unless other wise specified. notes: (1) recommended mounted position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 s crew (2) thermal resistance from junction to am bient with units in free air, p.c.b. mount ed on 0.5 x 0.5" (12 x 12 mm) copper pads, 0.375" (9.5 mm) lead length (3) thermal resistance from junction to case with units mounted on a 2.6 x 1.4 x 0.06" thick (6.5 x 3.5 x.15 cm) al. plate ratings and characteristics curves (t a = 25 c unless otherwise noted) parameter symbols kbu6a kbu6b kbu6d kbu6g kbu6j kbu6k kbu6m units typical thermal resistance per leg (2) r ja r jc 8.6 3.1 c/w figure 1. derating curve output rectified current figure 2. maximum non-repetitive peak forward surge current per leg temperature ( c) average forward current (a) 50 100 150 0 2.0 4.0 6.0 0 p.c.b. mounting, t a 0.375" x (9.5mm) lead length with 0.5 x 0.5" (12 x 12 mm) copper pad areas heatsink mounting, t c, 2.6 x 1.4 x 0.06" (6.5 x 3.5 x 1.5 cm) al. plated number of cycles at 60 h z peak forward surge current (a) 10 100 75 100 125 150 175 200 225 250 1 t j = 150 c single sine-wave 1.0 cycle figure 3. typical instantaneous fo rward characteristics per leg figure 4. typical reverse leak age characteristics per leg instantaneous forward voltage (v) instantaneous forward current (a) 0.6 0.7 100 1.0 1 0.1 0.8 0.9 1.0 1.1 1.2 1.3 t j =25c pulse width = 300 s 1% duty cycle percent of rated peak reverse voltage (%) instantaneous reverse current ( a) 0 20 40 60 80 100 0.01 0.1 1 10 50 t j = 100 c t j =25c
kbu6a thru kbu6m document number 88657 12-jul-05 vishay general semiconductor www.vishay.com 3 package outline dimensions in inches (millimeters) figure 5. typical junc tion capacitance per leg reverse voltage (v) junction capacitance, pf 1 10 100 10 100 400 t j =25c f = 1.0 mh z vsig = 50mvp-p 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) case style kbu
legal disclaimer notice vishay document number: 91000 www.vishay.com revision: 08-apr-05 1 notice specifications of the products displayed herein are subjec t to change without notice. vishay intertechnology, inc., or anyone on its behalf, assume s no responsibility or liability fo r any errors or inaccuracies. information contained herein is intended to provide a product description only. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. except as provided in vishay's terms and conditions of sale for such products, vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and /or use of vishay products including liab ility or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyrigh t, or other intellectual property right. the products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify vishay for any damages resulting from such improper use or sale.
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