KBU4 SERIES 4.0 AMPERE SINGLE-PHASE SILICON BRIDGE RECTIFIER VOLTAGE RANGE 50 to 1000 Volts PRV CURRENT 4.0 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 - 150 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 : Reliable low cost construction utilizing : moulded plastic technique results in an : inexpensive product. Terminals: Leads, solderable per MIL - STD - 202, : Method 208. Polarity : Polarity symbols printed on body. Weight : 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%. KBU4A KBU4B KBU4D KBU4G KBU4J KBU4K Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 Maximum Bridge Input Voltage RMS VRMS 35 70 140 280 420 Maximum DC Blocking Voltage VDC 50 100 200 400 600 Maximum Average Forward Current at TA = 65 C * / TC =100 C ** Peak Forward Surge Current, 8.3 ms single half sine - wave superimposed on rated load Maximum Forward Voltage Drop per Element at 2.0A Maximum Reverse Current at Rated DC Blocking Voltage per Element (see Fig 4) (see Fig 2) (see Fig 1) (see Fig 3) TA = 25C TC = 100C KBU4M 1000 V 560 700 V 800 1000 V IF(AV) 4.0 A IFSM 150 A VF 1.0 V 10.0 1.0 A mA IR 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 KBU4 SERIES FIG 2 : DERATING CURVE FOR RECTIFIED OUTPUT CURRENT FIG 1 : MAXIMUM NON-REPETITIVE SURGE CURRENT PER ELEMENT 4.0 AVERAGE FORWARD OUTPUT CURRENT, AMPERES 2.0 1.0 0 0 1 10 100 20 40 NUMBER OF CYCLES AT 60Hz 60 80 100 120 140 TEMPERATURE C FIG 4 : TYPICAL REVERSE CHARACTERISTICS PER ELEMENT FIG 3 : TYPICAL FORWARD CHARACTERISTICS PER ELEMENT 500 100 TJ = 125C TJ = 25C Pulse Width = 300s 100 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES CASE NT 8.3ms Single Half Sine Wave TJ =125C 50 BIE 100 3.0 AM PEAK FORWARD SURGE CURRENT, AMPERES 150 10 1 10 1.0 0.1 TJ = 25C 0.1 0.4 0.6 0.8 1.0 1.2 1.4 .01 0 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE Reformatted by Anglia 9910 INV115/9541