KBU8M

BL GALAXY ELECTRICAL SILICON BRIDGE RECTIFIERS FEATURES R ating to 1000V PRV Surge overload rating to 2 5 0 Amperes peak Ideal for printed circuit board R eliable low cost construction utilizing molded .760(19.3)Max .700(17.8) .660(16.8) .160(4.1) .140(3.6) KBU8A - - - KBU8M VOLTAGE RANGE: 50 --- 1000 V CURRENT: 8.0A KBU .933(23.7) .894(22.7) .185(4.7) .165(4.2) .280(7.1) .260(6.6) 45 0 .085(2.2) .065(1.7) + + _ ~ .075(1.9)R.TYP. (2 PLACES) plastic technique results in inexpensive product L ead solderable per MIL-STD-202 method 208 1.0(25.4)Min ~ + .455(11.3) .405(10.3) .260(6.6) .180(4.5) .205(5.2) .185(4.7) .052(1.3) .048(1.2) .220(5.6) .180(4.6) Dimensions in inches and (mm) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS R atings at 25 a mbient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. KBU 8A Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard output current @TA=50 KBU 8B 100 70 100 KBU 8D 200 140 2 00 KBU 8G 400 280 400 8.0 KBU 8J 600 420 600 KBU 8K 800 560 800 KBU 8M 1000 700 1000 UNITS V V V A V RRM V RMS V DC IF(AV) 50 35 50 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load Maximum instantaneous forw ard voltage @ 4.0 A Maximum reverse current at rated DC blocking voltage @TA =25 @TA=100 IFSM 2 5 0.0 A VF IR TJ TSTG 1.0 10.0 1.0 - 55 ---- + 125 - 55 ---- + 150 V μA mA Operating junction temperature range Storage temperature range www.galaxycn.com Document Number 0287024 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES FIG.1 -- TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD OUTPUT CURRENT, AMPERES KBU8A - - - KBU8M FIG.2 -- MAXIMUM FORWARD SURGE CURRENT 8 PEAK FORWARD SURGE CURRENT, AMPERES 250 225 200 175 150 125 100 75 1 2 5 10 20 50 100 8.3ms Single Half Sine Wave TJ =125 6 4 2 MOUNTES ON 4:4 INCH CPUFER PC BOARD 0.5"(12.7mm) Lead length 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE, FIG.3 -- TYPICAL FORWARD CHARACTERISTIC NUMBER OF CYCLES AT 60HZ FIG.4 -- TYPICAL REVERSE CHARACTERISTIC INSTANTANEOUS REVERSE CURRENT, MICRO AMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES 100 40 20 10 4.0 2.0 1.0 0.4 0.2 0.1 10 TJ=100 1 　 TJ=25 Pulse Width =300µS .1 TJ=25 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 .01 0 20 40 60 80 100 120 140 INSTANTANEOUS FORWARD VOLTAGE, VOLTS PERCENT OF RATED PEAK REVERSE VOLTAGE FIG.5 -- TYPICAL JUNCTION CAPACITANCE PER ELEMENT 400 CAPACITANCE, pF 100 50 　TJ=25 10 1 10 100 REVERSE VOLTAGE, VOLTS www.galaxycn.com Document Number 0287024 BLGALAXY ELECTRICAL 2.