DATA SHEET KBU8A~KBU8K SILICON SINGLE-PHASE BRIDGE RECTIFIER VOLTAGE 50 to 800 Volts CURRENT 8.0 Amperes Recongnized File # E111753 Unit: inch (mm) KBU • Ideal for printed circuit board • Reliable low cost construction utilizing molded plastic technique .240(6.7) .220(5.6) .759(19.3)MAX • Plastic material has Underwriters Laboratory Flammability Classification 94V-O .701(17.8) .661(16.8) .933(23.7) .894(22.7) FEATURES .1.0(25.4)MIN • High temperature soldering guaranteed: 260°C/10 seconds/.375"(9.5mm) lead length at 5 lbs. (2.3kg) tension .220(5.6) .177(4.5) • Both normal and Pb free product are available : Normal : 80~95% Sn, 5~20% Pb Pb free: 98.5% Sn above .052(1.3) .047(1.2) Case: Reliable low cost construction utilizing molded plastic technique Terminals: Leads solderable per MIL-STD-202, Method 208 .090(2.3) .066(1.7) .280(7.1) .259(6.6) MECHANICALDATA .220(5.6) .181(4.6) Mounting position: Any Mounting torque: 5 in. lb. Max. Weight: 0.3 ounce, 8.0 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25°Cambient temperature unless otherwise specified. Resistive or inductive load, 60Hz. For Capacitive load derate current by 20%. PARAMETER SYMBOL KBU8A KBU8B KBU8D KBU8G KBU8J KBU8K UNITS Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 V Maximum RMS Bridge Input Voltage VRMS 35 70 140 280 420 560 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 V Maximum Average Forward TC=100 OC Rectified Output Current at TA=40 OC IAV 8.0 A I2t Rating for fusing ( t<8.3ms) I2t 166 A 2 se c Peak Forward Surge Current single sine-wave superimposed on rated load (JEDEC method) IFSM 200 A pk Maximum Forward Voltage Drop per Bridge Element at 6.0A VF 1.0 V pk IR 10 1000 uA RθJA RθJC 18.0 3.0 TJ,TSTG -55 to + 150 O Maximum Reverse Leakage Current at Rated @ TA=25 C Dc Blocking Voltage @ TA=100OC Typical Thermal Resistance per leg (Note 2) Typical Thermal Resistance per leg (Note 3) Operating Junction and Storage Temperature Range O C/W O C NOTES: 1. Recommended mounting position 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"(9.5mm) lead length with 0.5 x 0.5"(12 x 12mm)copper pads. 3. Units Mounted on a 2.0 x 1.6" x 0.3" thick (5 x 4 x 0.8cm) AL plate. STAD-JUL.21.2004 PAGE . 1 200 8.0 FORWRD SURGE CURRENT, AMPERES pk (HALF SINE-WAVE) AVERAGE FORWARD CURRENT AMPERES RATING AND CHARACTERISTIC CURVES 6.0 HEAT-SINK MOUNTING, TC (4 x 4 x 0.15)INCH COPPER PLATE 4.0 2.0 0.5"(12.7mm) LEAD LENGTH 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 50 100 160 120 80 40 0 150 1 6 2 10 20 40 60 100 O TEMPERATURE, C NO. OF CYCLES AT 60Hz Fig.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT Fig.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 100 INSTANTANEOUS FORWARD CURRENT, AMPERES INSTANTANEOUS REVERSE CURRENT,uA 10 O T A =100 C 1.0 0.1 T A =25 O C 40 20 10 4.0 2.0 0.4 0.2 0.1 0.7 0.01 0 20 40 60 80 100 120 TJ=25 OC Pulse Width = 300us 1% DULY Cycle 1.0 0.8 0.9 1.0 1.1 1.2 1.3 1.4 140 PERCENT OF PEAK REVERE VOLTAGE,% Fig.3 - TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS FORWARD VOLTAGE, VOLTS Fig.4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER ELEMENT CAPACITANCE, pF 400 100 50 O T J =25 C f = 1MHz Visg = 50m Vp-p 10 1 5 10 50 100 REVERSE VOLTAGE, VOLTS Fig.5 - TYPICAL JUNCTION CAPACITANCE STAD-JUL.21.2004 PAGE . 2