KBU8 SERIES 8.0 AMPERE SINGLE-PHASE SILICON BRIDGE RECTIFIER VOLTAGE RANGE 50 to 1000 Volts PRV CURRENT 8.0 Amperes 4.1 3.5 2.2 1.7 FEATURES 19.3 max Plastic package has Underwriters Laboratory flammability classification 94V-0 Low leakage. Surge overload rating - 250 amperes peak. Ideal for printed circuit boards. Exceeds environmental standards of MIL - STD - 19500. ~ ~ 11.3 10.3 + 19.0 min O 1.3 5.6 4.6 MECHANICAL DATA Case : : : Terminals: : Polarity : Weight : Reliable low cost construction utilizing moulded plastic technique results in inexpensive product. Leads, solderable per MIL - STD - 202, Method 208. Polarity symbols printed on body. 0.3 ounce, 8.0 grams. 7.1 6.6 5.2 4.7 23.7 22.7 Dimensions in millimetres MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. KBU8A KBU8B KBU8D KBU8G KBU8J KBU8K KBU8M Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V Maximum Bridge Input Voltage RMS VRMS 35 70 140 280 420 560 700 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V Maximum Average Forward Current at TA = 65 C * / Tc =100 C ** (see Fig 2) IF(AV) 8.0 A Peak Forward Surge Current, 8.3 ms single half sine - wave superimposed on rated load (see Fig 1) Maximum Forward Voltage Drop (see Fig 3) per Element at 4.0A Maximum Reverse Current at Rated DC TA = 25C Blocking Voltage per Element (see Fig 4) TC = 100C IFSM 250 A VF 1.0 V IR 10.0 1.0 A mA Operating Temperature Range TJ - 55 to + 125 C Storage Temperature Range TSTG - 55 to + 150 C Notes * Unit mounted on metal heatsink. ** Unit mounted on P.C. board. Reformatted by Anglia 9910 RATING AND CHARACTERISTIC CURVES KBU8 SERIES FIG 1 : MAXIMUM NON-REPETITIVE SURGE CURRENT PER ELEMENT FIG 2 : DERATING CURVE FOR RECTIFIED OUTPUT CURRENT 8.0 AVERAGE FORWARD OUTPUT CURRENT, AMPERES 8.3ms Single Half Sine Wave TJ =125C 50 NT 100 BIE 150 6.0 4.0 2.0 0 0 1 10 20 100 40 60 80 100 120 140 TEMPERATURE C NUMBER OF CYCLES AT 60Hz FIG 3 : TYPICAL FORWARD CHARACTERISTICS PER ELEMENT FIG 4 : TYPICAL REVERSE CHARACTERISTICS PER ELEMENT 100 500 TJ = 125C TJ = 25C Pulse Width = 300s 100 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES CASE 200 AM PEAK FORWARD SURGE CURRENT, AMPERES 250 10 1 10 1.0 0.1 TJ = 25C 0.1 0.4 0.6 0.8 1.0 1.2 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 1.4 .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE Reformatted by Anglia 9910