kbu8a, kbu8b, kbu8d, kbu8g, kbu8j, kbu8k, kbu8m www.vishay.com vishay general semiconductor revision: 14-may-14 1 document number: 88658 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 single-phase bridge rectifier 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 275 c max. 10 s, per jesd 22-b106 ? material categorization: fo r definitions of compliance please see www.vishay.com/doc?99912 typical applications general purpose use in ac/dc bridge full wave rectification for monitor, tv, printer, smps, adapter, audio equipment, and home appliances applications. mechanical data case: kbu molding compound meets ul 94 v-0 flammability rating base p/n-e4 - rohs-co mpliant, commercial grade terminals: silver plated leads, solderable per j-std-002 and jesd22-b102 polarity: as marked on body mounting torque: 10 cm-kg (8.8 inches-lbs) max. recommended torque: 5.7 cm-kg (5 inches-lbs) notes (1) recommended mounting position is to bolt down on heatsi nk with silicone therma l compound for maximum he at transfer with #6 scre w (2) units mounted in free air, no heatsink, pcb at 0.375" (9.5 mm) lead length with 0.5" x 0.5" (12 mm x 12 mm) copper pads (3) units mounted on a 3.0" x 3.0" x 0.11" thick (7.5 cm x 7.5 cm x 0.3 cm) aluminum plate heatsink primary characteristics package kbu i f(av) 8 a v rrm 50 v, 100 v, 200 v, 400 v, 600 v, 800 v, 1000 v i fsm 300 a i r 10 a v f at i f = 8 a 1.0 v t j max. 150 c diode variations in-line case style kbu ~ ~ ~ ~ e4 maximum ratings (t a = 25 c unless otherwise noted) parameter symbol kbu8a kbu8b kb u8d kbu8g kbu8j kbu8k kbu8m unit 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 rectified output current at t c = 100 c (1)(3) i f(av) 8.0 a t a = 40 c (2) 6.0 peak forward surge current single sine-wave superimposed on rated load i fsm 300 a operating junction and storage temperature range t j , t stg - 50 to + 150 c electrical characteristics (t a = 25 c unless otherwise noted) parameter test conditions symbol kbu8a k bu8b kbu8d kbu8g kbu8j kbu8k kbu8m unit maximum instantaneous forward drop per diode i f = 8.0 a v f 1.0 v maximum dc reverse current at rated dc blocking voltage per diode t a = 25 c i r 10 a t a = 125 c 1.0 ma
kbu8a, kbu8b, kbu8d, kbu8g, kbu8j, kbu8k, kbu8m www.vishay.com vishay general semiconductor revision: 14-may-14 2 document number: 88658 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 notes (1) units mounted in free air, no heatsink, pcb at 0.375" (9.5 mm) lead length with 0.5" x 0.5" (12 mm x 12 mm) copper pads (2) units mounted on a 3.0" x 3.0" x 0.11" thick (7.5 cm x 7.5 cm x 0.3 cm) aluminum plate heatsink ? ratings and characteristics curves (t a = 25 c unless otherwise noted) fig. 1 - derating curve output rectified current fig. 2 - maximum non-repetiti ve peak forward surge current fig. 3 - typical instantaneous forward characteristics per diode fig. 4 - typical reverse leakage characteristics per diode thermal characteristics (t a = 25 c unless otherwise noted) parameter symbol kbu8a kbu8b kbu8d kbu8g kbu8j kbu8k kbu8m unit typical thermal resistance r ? ja (1) 18 c/w r ? jc (2) 3.0 ordering information (example) preferred p/n unit weight (g ) preferred package code ba se quantity delivery mode kbu8j-e4/51 8.0 51 250 anti-static pvc tray 0 50 100 150 0 2 4 6 8 heatsink mo u nting, t c , 3.0 x 3.0 x 12" thk. al. plate (7.5 x 0.3 cm) pcb mo u nting, t a 0.375" (9.5 mm) lead length 0.5 x 0.5" (12 x 12 mm) copper pads 60 hz resisti v e or ind u cti v e load temperat u re (c) a v erage for w ard c u rrent (a) 1 10 100 0 50 100 150 200 250 300 t j = 150 c single sine-wa v e n u mber of cycles at 60 hz peak for w ard s u rge c u rrent (a) 1.0 cycle 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 0.1 1 10 100 t j = 25 c p u lse width = 300 s 1 % d u ty cycle instantaneo u s for w ard voltage (v) instantaneo u s for w ard c u rrent (a) 0 20 40 60 80 100 0.01 0.1 1 10 100 t j = 100 c t j = 25 c percent of rated peak re v erse voltage (%) instantaneo u s re v erse c u rrent (a)
kbu8a, kbu8b, kbu8d, kbu8g, kbu8j, kbu8k, kbu8m www.vishay.com vishay general semiconductor revision: 14-may-14 3 document number: 88658 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 fig. 5 - typical junction capacitance per diode ? package outline dimensions in inches (millimeters) 1 10 100 10 100 1000 re v erse voltage (v) j u nction capacitance (pf) t j = 25 c f = 1.0 mhz v sig = 50 mv p-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 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
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