KBU4A thru KBU4M Vishay Semiconductors Single-Phase Bridge Rectifier Major Ratings and Characteristics IF(AV) 4A VRRM 50 V to 1000 V IFSM 200 A IR 5 A VF 1.0 V Tj max. 150 C Case Style KBU ~ ~ ~ ~ Features Mechanical Data * * * * * Case: KBU Epoxy meets UL-94V-0 Flammability rating Terminals: Silver plated (E4 Suffix) leads, solderable per J-STD-002B and MIL-STD-750, Method 2026 Polarity: As marked on body Mounting Torque: 10 cm-kg (8.8 inches-lbs) max. Recommended Torque: 5.7 cm-kg (5 inches-lbs) UL Recognition file number E54214 Ideal for printed circuit boards High surge current capability High case dielectric strength of 1500 VRMS Meets MSL level 1, per J-STD-020C Typical Applications General purpose use in ac-to-dc bridge full wave rectification for Monitor, TV, Printer, SMPS, Adapter, Audio equipment, and Home Appliances applications Maximum Ratings Ratings at 25 C ambient temperature unless otherwise specified. Parameter Symbols Maximum repetitive peak reverse voltage VRRM Maximum RMS voltage VRMS VDC Maximum DC blocking voltage KBU4A KBU4B KBU4D KBU4G 50 KBU4J 400 600 KBU4K KBU4M 800 1000 Units 100 200 V 35 70 140 280 420 560 700 V 50 100 200 400 600 800 1000 V IF(AV) 4.0 4.0 A Peak forward surge current single sine-wave superimposed on rated load IFSM 200 A Operating junction and storage temperature range TJ, TSTG - 50 to + 150 C Maximum average forward rectified output current at TC = 100 C(1) (2) TA = 30 C Electrical Characteristics Ratings at 25 C ambient temperature unless otherwise specified. Parameter Test condition Symbols KBU4A KBU4B KBU4D KBU4G KBU4J KBU4K KBU4M Units Maximum instantaneous forward drop per leg at 4.0 A VF 1.0 V Maximum DC reverse current at rated DC blocking voltage per leg TA = 25 C TA = 125 C IR 5.0 1.0 A mA Document Number 88656 23-Nov-04 www.vishay.com 1 KBU4A thru KBU4M Vishay Semiconductors Thermal Characteristics Ratings at 25 C ambient temperature unless otherwise specified. Parameter Symbols KBU4A KBU4B KBU4D KBU4G RJA RJL Typical thermal resistance per leg KBU4J KBU4K KBU4M Units C/W 19(2) 4.0(1) Notes: (1) Units mounted on a 2.0 x 1.6 x 0.3" thick (5 x 4 x 0.8 cm.) Al. Plate (2) Units mounted on P.C.B. with 0.5 x 0.5" (12 x 12 mm) copper pads and 0.375" (9.5 mm) lead length (3) Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screw Ratings and Characteristics Curves (TA = 25 C unless otherwise noted) 60 HZ Resistive or Inductive Load 3 Heatsink Mounting, TC, 2.0 x 1.6 x 3.0" (5.0 x 4.0 x 0.8 cm) Al. Plate 2 1 TA, P.C.B. Mounting 0.47" x 0.47" (12 x 12 mm) Copper Pads 100 Instantaneous Forward Current (A) Average Forward Current (A) 4 1.0 TJ = 25 C Pulse Width = 300 s 1% Duty Cycle 1 0.1 0.6 0 0 50 100 150 Figure 1. Derating Curve Output Rectified Current 0.9 1.0 1.1 1.2 1.3 50 TJ = 150 C Single Sine-Wave 175 150 125 100 75 50 25 1 10 100 Number of Cycles at 60 HZ Figure 2. Maximum Non-Repetitive Peak Forward Surge Current Per Leg www.vishay.com Instantaneous Reverse Current ( A) Peak Forward Surge Current (A) 0.8 Figure 3. Typical Forward Characteristics Per Leg 200 2 0.7 Instantaneous Forward Voltage (V) Temperature (C) 10 TJ = 100 C 1 0.1 TJ = 25 C 0.01 0 20 40 60 80 100 Percent of Rated Peak Reverse Voltage (%) Figure 4. Typical Reverse Leakage Characteristics Per Leg Document Number 88656 23-Nov-04 KBU4A thru KBU4M Vishay Semiconductors Junction Capacitance, pF 150 TJ = 25 C f = 1.0 MHZ Vsig = 50mVp-p 100 75 50 25 0 0.1 1 100 10 Reverse Voltage (V) Figure 5. Typical Junction Capacitance Per Leg Package outline dimensions in inches (millimeters) Case Style KBU 0.160 (4.1) 0.140 (3.6) 0.760 (19.3) MAX. 0.700 (17.8) 0.660 (16.8) 1.0 (25.4) MIN. 0.935 (23.7) 0.895 (22.7) 0.185 (4.7) 0.165 (4.2) 45o 0.085 (2.2) 0.065 (1.7) 0.075 (1.9) R. TYP. (2 PLACES) 0.455 (11.3) 0.405 (10.3) 0.052 (1.3) 0.048 (1.2) DIA. 0.220 (5.6) 0.180 (4.6) 0.240 (6.09) 0.200 (5.08) 0.205 (5.2) 0.185 (4.7) Document Number 88656 23-Nov-04 0.280 (7.1) 0.260 (6.6) www.vishay.com 3