KBU404G ........ KBU407G 4.0 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 4.0 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 150 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) 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 404G 400 KBU 405G 600 KBU 406G 800 KBU 407G 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 = 50 C 4.0 A IFSM Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC Method) 150 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-l) Maximum Instantaneous Forward Voltage @ = 2.0 A @ = 4.0 A Maximum DC Reverse Current @ TA = 25 C at Rated DC Blocking Voltage @ TA =125C Typical Thermal Resistance (Note1) (Note 2) 1.0 V 1.1 V 5.0 A 500 A 19 C/W 4.0 C/W Notes: 1. Units Mounted on P.C.B. with 0.5" x 0.5" (12mm x 12mm) Copper Pads and 0.375" 9.5mm) Lead Lenght. 2. Units Mounted on 2.0" x 3.0" x 0.25" Al. Plate. Mar- 09 KBU404G ........ KBU407G Rating And Characteristic Curves FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE FIG.2- TYPICAL REVERSE CHARACTERISTICS PER BRIDGE ELEMENT 100 3 2 MOUNTED ON 4x4 INCH COPPER PC BOARD 0.5" (12.7 mm) LEAD LENGTH 1 0 0 150 100 50 o AMBIENT TEMPERATURE. ( C) PEAK FORWARD SURGE CURRENT. (A) 250 TJ=125C 10 1 TJ=25C FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PER BRIDGE ELEMENT 0.1 200 0 150 40 60 80 100 120 140 FIG.4- TYPICAL JUNCTION CAPACITANCE 8.3ms Single Half Sine Wave 1000 100 50 0 4 2 6 20 10 40 60 NUMBER OF CYCLES AT 60Hz 100 20 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 1 FIG.5- TYPICAL FORWARD CHARACTERISTICS PER BRIDGE ELEMENT 100 600 500 400 300 Tj=25C 200 100 0 40 INSTANTANEOUS FORWARD CURRENT. (A) INSTANTANEOUS REVERSE CURRENT. ( A) 4 JUNCTION CAPACITANCE.(pF) AVERAGE FORWARD CURRENT. (A) 5 0.1 0.5 1 2 5 10 20 50 100 200 500 800 REVERSE VOLTAGE. (V) 20 10 4 2 1 0.4 Tj=25C 8.3ms Single Half Sine Wave 0.2 0.1 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 INSTANTANEOUS FORWARD VOLTAGE. (V) Mar - 09