KBU8A thru KBU8M VISHAY Vishay Semiconductors Single-Phase Bridge Rectifier Major Ratings and Characteristics IF(AV) 8A VRRM 50 V to 1000 V IFSM 300 A IR 10 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 KBU8A KBU8B KBU8D KBU8G KBU8J KBU8K KBU8M Units Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS voltage VRMS 35 70 140 280 420 560 700 V VDC 50 100 200 400 600 800 1000 Maximum DC blocking voltage V IF(AV) 8.0 6.0 A Peak forward surge current single sine-wave superimposed on rated load IFSM 300 A Operating junction and storage temperature range TJ, TSTG - 50 to + 150 C Maximum average forward TC = 100 C rectified output current at (1)(3) TA = 40 C (2) Electrical Characteristics Ratings at 25 C ambient temperature unless otherwise specified. Parameter Test condition Symbols KBU8A KBU8B KBU8D KBU8G KBU8J KBU8K KBU8M Units Maximum instantaneous forward drop per leg at 8.0 A VF 1.0 V Maximum DC reverse current at rated DC blocking voltage per leg TA = 25 C TA = 125 C IR 10 1.0 A mA Document Number 88658 23-Nov-04 www.vishay.com 1 KBU8A thru KBU8M VISHAY Vishay Semiconductors Thermal Characteristics Ratings at 25 C ambient temperature unless otherwise specified. Parameter Symbols Typical thermal resistance per leg KBU8A KBU8B KBU8D KBU8G RJA RJC KBU8J KBU8K KBU8M Units C/W 18(2) 3.0(3) Notes: (1) Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screw (2) Units mounted in free air, no heatsink, P.C.B. at 0.375" (9.5 mm) lead length with 0.5 x 0.5" (12 x 12 mm) copper pads (3) Units mounted on a 3.0 x 3.0" x 0.11" thick (7.5 x 7.5 x 0.3 cm) Al. Plate heatsink Ratings and Characteristics Curves (TA = 25 C unless otherwise noted) 100 Heatsink Mounting, TC, 3.0 x 3.0 x 12" Thk Al. Plate (7.5 x 0.3 cm) Instantaneous Forward Current (A) Average Forward Current (A) 8.0 6.0 4.0 2.0 P.C.B. Mounting, TA 0.375" x (9.5 mm) Lead Length 0.5 x 0.5" (12 x 12 mm) Copper Pads 60 HZ Resistive or Inductive Load 0 0 100 50 10 TJ = 25 C Pulse Width = 300 s 1% Duty Cycle 1 0.1 0.6 150 Temperature ( C) 0.8 0.9 1.0 1.1 1.2 1.3 Instantaneous Forward Voltage (V) Figure 1. Derating Curve Output Rectified Current Figure 3. Typical Instantaneous Forward Characteristics Per Leg 50 300 TJ = 150 C Single Sine-Wave Instantaneous Reverse Current (A) Peak Forward Surge Current (A) 0.7 250 200 150 100 50 10 TJ = 100 C 1 0.1 TJ = 25 C 1.0 Cycle 0 1 10 100 Number of Cycles at 60 HZ Figure 2. Maximum Non-Repetitive Peak Forward Surge Current www.vishay.com 2 0.01 0 20 40 60 80 100 Percent of Rated Peak Reverse Voltage (%) Figure 4. Typical Reverse Leakage Characteristics Per Leg Document Number 88658 23-Nov-04 KBU8A thru KBU8M VISHAY Vishay Semiconductors Junction Capacitance, pF 400 TJ = 25 C f = 1.0 MHZ Vsig = 50mVp-p 100 10 100 10 1 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 88658 23-Nov-04 0.280 (7.1) 0.260 (6.6) www.vishay.com 3