KBU 4A/6A/8A SERIES REVERSE VOLTAGE - 50 to 1000Volts FORWARD CURRENT - 4 / 6 / 8 Amperes SILICON BRIDGE RECTIFIERS KBU FEATURES .15 O X23L (3.8 OX5.7L) HOLE THRU Surge overload rating -150~200 amperes peak .935(23.7) .895(22.7) Ideal for printed circuit board Reliable low cost construction utilizing 300 (7.5) molded plastic technique .700(17.8) .600(16.8) Plastic material has UL .780(19.8) .740(18.8) Mounting postition:Any Mounting torgue:5 In.Ib.Max 1.00 MIN. (25.4) .052(1.3)DIA. .048(1.2)TYP. .087(2.2) .071(1.8) .220(5.6) .180(4.6) .276(7.0) .256(6.5) Dimensions in inches and (milimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 ambient temperature unless otherwise specified. Single phase, half wave ,60Hz, resistive or inductive load. For capacitive load, derate current by 20% KBU4005 KBU401 KBU402 KBU404 KBU406 KBU408 KBU410 KBU6005 KBU601 KBU602 KBU604 KBU606 KBU608 KBU610 KBU8005 KBU801 KBU802 KBU804 KBU806 KBU808 KBU810 Maximum Recurrent Peak Reverse Voltage 50 100 200 40 600 800 1000 V Maximum RMS Voltage 35 70 140 280 420 560 700 V Maximum DC Blocking Voltage 50 100 200 40 600 800 1000 V CHARACTERISTICS Maximum Average Forward TC=100 4.0 Rectified Output Current at 6.0 8.0 UNIT A A Peak Forward Surage Current 8.3ms single 150 Half Sine-Wave Super Imposed on Rated Load KBU4 (JEDEC Method) Maximum Instantanous Forward Voltage Drop per Element at 4.0A/3.0A/4.0A 175 KBU6 1.0 200 A 1.1 mV KBU8 1.0 Maximum Reverse Leakage at rated TA=25 10 10 10 A DC Blocking Voltage Per Element 100 200 300 mA TA=100 -55 to +125 Operating and Storage Temperature Range TJ.TSTG ~ 253 ~ RATING AND CHARACTERTIC CURVES KBU4A/6A/8A SERIES FIG.2 TYPICAL INSTANTANEOUS FORWARD CHARACTERISTIC FIG.1-DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 100 INSTANTANCEOUS FORWARD CURRENT, AMPERES 8.0 AVERAGE FORWARD OUTPUTCURRENT AMPERES KBU8 7.0 HEAT SINK MOUNTING KBU6 6.0 5.0 KBU4 4.0 3.0 MOUNTED ON4*4 INCH COPPER PC BOARD.TA .51(1.27mm)LEAD LENGTH 2.0 1.0 50 0 100 40 KBU6/8 20 KBU4 10 4.0 T J=25 PULSE WIDTH=300S 1%DUTY CYCLE 1.0 0.4 0.2 150 0.1 0.6 CASE TEMPERATURE, 0.7 INSTANTANCEOUS REVERSE CURRENT, MICRAMPERES PEAK FORWARD SURGE CURRENT AMPERES 1.2 1.1 1.0 FIG.4-TYPICAL REVERSE CHARACTERISTICS 250 KBU8 KBU6 150 100 KBU4 50 0 100 10 1 0.9 10 T C=100 1.0 0.1 T A=25 0 20 40 60 80 100 120 PERCENT OF RATED PEAK REVERSE VOLTAGE NUMBER OF CYCLES AT 60HZ FIG.5-TYPICAL JUNCTION CAPACITANCE PER ELEMENT 400 T J=25 KBU6 200 KBU4 CAPACITANCE,(pF) CAPACITANCE,(pF) 250 T J=25 150 100 100 KBU8 50 50 0.1 1.0 1.3 INSTANTANEOUS FORWARD VOLTAGEVOLTS FIG.3-MAXIMUM NON-RETETITIVE PEAK FORWARD SURGE CURRENT 200 0.8 10 100 REVERSE VOLTAGE,VOLTS 10 1 5 10 50 REVERSE VOLTAGE ,VOLTS ~ 254 ~ 100 140