KBU8A THRU KBU8M SINGLE-PHASE BRIDGE RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Current - 8.0 Amperes TURES Case Style KBU Plastic material used carries Underwriters Laboratory ascan Flammability Classification 94V-0 2.900 (6.1) mes tas aan This series is UL listed under Recognized Component Index, said crete file number E54214 i az Dy _ mee High case dietectric strength as ta ; ; of 1500 Vams ' | aden me . [aes Ideal for printed circuit boards tm | * High forward surge current capability High temperature soldering guaranteed: dss 250C/10 seconds, 0.375" (9.5mm) lead length, esecrs 5ibs. (2.3 kg) tension Lee | DIA, fame MEGHANICAL DATA gestae Case: Molded plastic body Terminals: Plated leads solderable per MIL-STD-750, @--e-- -@--0| ood Method 2026 Ae aes Mounting Position: Any (Nore 1) Dimensions in inches and (millimaters) Mounting Torque: 5 in.-ib. max. Weight: 0.3 ounce, 8.0 grams MAXIMUM RATINGS AND ELECTRICAL CHARACT ERISTICS Ratings at 25C ambient temperature uniess otherwise specified. KBU KBU | KBU KBU kev | KBU | Kau SYMBOLS| 8A 88 aD 8G Bs 8K am | UNITS Maximum repetitive peak reverse voltage VRRM 50 100 | 200 400 600 800 | 1000 | Volts Maximum RMS voltage VAMS 35 70 140 280 420 560 | 700 | Volts Maximum DC blocking voltage Voc 50 100 | 200 400 600 800 | 1000 | Volts Maximum average forward rectified Tco=100C (NOTE 1, 3) \ 8.0 Amps output current at Ta=48C (NOTE 2) (av) 6.0 P Peak forward surge current single half sine-wave superimposed on rated load (JEDEC Method) T= 150C Fem 300.0 Amps Maximum instantaneous forward voltage drop per leg at 8.0A VF 1.0 Volts Maximum DC reverse current at rated Ta=25C I 10.0 pA DC blocking voltage per teg Ta=125C a 1.0 mA Typical thermal resistance per leg (NOTE 2) ReJa 18.0 C AN (NOTE 3) Reic 3.0 Operating junction and storage temperature range Tu, TstG -50 to +150 C NOTES: (1) Recommended mounting positien is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screw {2} Units mounted in free air, no heatsink, P.C.B. at 0.375" (9.6mm) lead length with 0.5 x 0.5" (12 x 12mm) copper pads {3} Units mounted on a 3.0 x 3.0* x 0.11 thick (7.5 x 7.5 x 0.3am) Al. Piate heatsink {2 GENERAL x jos 59 ? SEMICONDUCTOR AVERAGE FORWARD CURRENT, AMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES & 2 ] 4.0 RATINGS AND CHARACTERISTICS CURVES KBUSA THRU KBUSM FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FIG. 1 - DERATING CURVE OUTPUT RECTIFIED RENT 300 FORWARD SURGE CURRENT K SINGLE SINE-WAVE 3.0 3.0 x 12THK AL, zZ (JEDEC Method) (7.5 x 0.3cm) & 250 Tn150C Lt ic 3 NY wy 200 fig ms 2 Pe e we 450 2 ~ Ta <* 2.0 (9.5mm) LEAD LENGTH = 100 0.5 x 0.5" (12 x 12mm COPPER PADS oO Pte | 60 Hz RESISTIVE OR INDUCTIVE LOAD x 50 [YY \ 9 a a 0 50 100 150 # | be socvete TEMPERATURE, C 0 L | | | 1 10 100 NUMBER OF CYCLES AT 60 Hz FIG. 4 - TYPICAL REVERSE LEAKAGE FIG, 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER LEG CHARACTERISTICS PER LEG 400 JUNCTION CAPACITANCE, pF Tss25C WIDTH=300us 1% DUTY CYCLE = o INSTANTANEOUS REVERSE CURRENT, MICROAMPERES 0.1 06 O87 O08 O09 10 1.1 12 13 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE, % FIG. 5 - TYPICAL JUNCTION CAPACITANCE PER LEG 10 100 REVERSE VOLTAGE, VOLTS (2... GENERAL 60 (7 SEMICONDUCTOR"