KBU4A THRU KBU4M SINGLE-PHASE BRIDGE RECTIFIER Reverse Voltage - 50 to 1000 Volts FEATURES Case Style KBU ♦ Plastic package has Underwriters Laboratory Flammability Classification 94V-0 ♦ This series is UL listed under Recognized under Component Index, file number E54214 ♦ High case dielectric strength of 1500 VRMS ♦ Ideal for printed circuit boards ♦ Surge overload rating of 200 Amperes peak ♦ Typical IR less than 0.1µA ♦ High temperature soldering guaranteed: 250°C/10 seconds, 0.375" (9.5mm) lead length, 5lbs (2.3kg) tension 0.935 (23.7) 0.160 (4.1) 0.140 (3.6) 0.895 (22.7) 0.185 (4.7) 0.165 (4.2) 45o 0.760 (19.3) MAX. 0.085 (2.2) 0.065 (1.7) 0.700 (17.8) 0.660 (16.8) 0.075 (1.9) R. TYP. (2 PLACES) Forward Current - 4.0 Amperes 0.455 (11.3) 0.405 (10.3) 1.0 (25.4) MIN. 0.052 (1.3) 0.048 (1.2) DIA. 0.220 (5.6) 0.180 (4.6) MECHANICAL DATA Case: Molded plastic body Terminals: Plated lead solderable per MIL-STD-750, Method 2026 Mounting Position: Any (NOTE 3) Mounting Torque: 5 in. - lb. max. Weight: 0.3 ounce, 8.0 grams 0.240 (6.09) 0.200 (5.08) 0.280 (7.1) 0.260 (6.6) 0.205 (5.2) 0.185 (4.7) Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. SYMBOLS KBU 4A KBU 4B KBU 4D KBU 4G KBU 4J KBU 4K KBU 4M UNITS Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 800 1000 Volts Maximum RMS voltage VRMS 35 70 140 280 420 560 700 Volts VDC 50 100 200 400 600 800 1000 Volts Maximum DC blocking voltage Maximum average forward rectified TC=100°C (NOTE 1) output current at TA=30°C (NOTE 2) I(AV) 4.0 4.0 Amps Peak forward surge current single sine-wave superimposed on rated load (JEDEC Method) IFSM 200.0 Amps Maximum instantaneous forward voltage drop per leg at 4.0A VF 1.0 Volts Maximum DC reverse current at rated DC blocking voltage per leg IR 5.0 1.0 µA mA RΘJA RΘJL 19.0 4.0 °C/W TJ, TSTG -50 to +150 °C TA=25°C TA=125°C Typical thermal resistance per leg (NOTE 2) (NOTE 1) Operating junction and storage temperature range NOTES: (1) Units mounted on a 2.0 x 1.6 x 0.3" thick (5 x 4 x 0.8cm.) Al. Plate (2) Units mounted on P.C.B. with 0.5 x 0.5" (12 x 12mm) copper pads and 0.375" (9.5mm) lead length (3) Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screw 4/98 RATINGS AND CHARACTERISTICS CURVES KBU4A THRU KBU4M FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT, AMPERES FIG. 1 - DERATING CURVE OUTPUT RECTIFIED CURRENT 60 HZ RESISTIVE OR INDUCTIVE LOAD 4.0 HEAT-SINK MOUNTING, TC, 2.0 x 1.6 x 3.0” 3.0 (5.0 x 4.0 x 0.8cm) AL. PLATE 2.0 TA, P.C.B. MOUNTING 0.47 x 0.47” (12 x 12mm) COPPER PADS 1.0 0 0 50 100 SINGLE SINE-WAVE (JEDEC Method) TJ=150°C 200 175 150 125 100 150 75 50 25 1 TEMPERATURE, °C 10 100 NUMBER OF CYCLES AT 60 HZ FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER LEG FIG. 4 - TYPICAL REVERSE LEAKAGE CHARACTERISTICS PER LEG 50 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES 100 TJ=25°C PULSE WIDTH=300µs 1% DUTY CYCLE 10 1 10 TJ=100°C 1 0.1 TJ=25°C 0.1 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 0.01 0 FIG. 5 - TYPICAL JUNCTION CAPACITANCE PER LEG JUNCTION CAPACITANCE, pF 150 TJ=25°C f=1.0 MHz Vsig=50mVp-p 100 75 50 25 0 0.1 1 10 REVERSE VOLTAGE, VOLTS 20 40 60 80 PERCENT OF RATED PEAK REVERSE VOLTAGE, % 100 100