KBU804G ........ KBU807G 8.0 Amp. Glass Passivated Bridge Rectifiers Dimensions in mm. .160(4.1) .140(3.6) .70(17.8) .66(16.8) .0760 (19.3) MAX .935(23.7) .895(22.7) 45 .185(4.7) .165(4.2) .280(7.1) .260(6.6) .085(2.2) .065(1.7) Current 8.0 A Voltage 400 V to 1000 V KBU Glass passivated chip junction Ideal for printed circuit board Reliable low cost construction High temperature soldering guaranteed: 260 C / 10 seconds / 9.5mm, lead lengths. Surge overload rating to 200 amperes peak .455(11.3) .405(10.3) .165(4.2) .150(3.8) 1.0 (25.4) MIN .260(6.8) .180(4.5) High case dielectric strength MECHANICAL DATA Case: Molded plastic body. .220(5.6) .180(4.6) Mounting position: Any .052(1.3) .048(1.2) Mounting torque: 5 in. Ibs. Max. Plastic material has Underwriters Laboratory Flammability Classification 94V-0 Maximum Ratings and Electrical Characteristics at 25 C KBU 804G 400 KBU 805G 600 KBU 806G 800 KBU 807G 1000 VRRM Maximum Recurrent Peak Reverse Voltage (V) VRMS Maximum RMS Voltage (V) 280 420 560 700 VDC Maximum DC Blocking Voltage (V) 400 600 800 1000 IF(AV) Maximum Average Forward Rectified Current @ TA = 65 C 8.0 A IFSM Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC Method) 200 A Tj Operating Temperature Range -55 to +150 C Tstg Storage Temperature Range -55 to +150 C Electrical Characteristics at Tamb = 25 C VF IR Rth (j-a) Rth (j-c) Notes: Maximum Instantaneous Forward Voltage @ = 4.0 A @ = 8.0 A Maximum DC Reverse Current @ TA = 25 C at Rated DC Blocking Voltage @ TA =125C Typical Thermal Resistance (Note1) 1.0 V 1.1 V 5.0 A 500 A 18 C/W 3.0 C/W 1. Units case mounted on 4.0" x 6.0" x 0.25" Al. Plate heat sink. May- 09 KBU804G ........ KBU807G Rating And Characteristic Curves FIG.1- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PER BRIDGE ELEMENT 10 250 AVERAGE FORWARD CURRENT. (A) PEAK FORWARD SURGE CURRENT. (A) 300 Tj=25 0C 8.3ms Single Half Sine Wave 200 150 100 50 0 1 2 5 10 20 50 FIG.2- MAXIMUM FORWARD CURRENT DERATING CURVE 8 6 4 2 MOUNTED ON 4X4 INCH COPPER PC BOARD 0.5"(12.7mm) LEAD LENGTH 0 100 0 50 150 100 o AMBIENT TEMPERATURE. ( C) NUMBER OF CYCLES AT 60Hz FIG.3- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER BRIDGE ELEMENT FIG.4- TYPICAL REVERSE CHARACTERISTICS PER BRIDGE ELEMENT 100 100 INSTANTANEOUS REVERSE CURRENT. ( A) INSTANTANEOUS FORWARD CURRENT. (A) 40 20 10 4.0 2.0 1.0 0.4 TJ=125 0C 10 1 0.2 0.1 .6 TJ=25 0C .7 .8 .9 1.0 1.1 1.2 INSTANTANEOUS FORWARD VOLTAGE. (V) 1.3 0.1 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) May - 09