KBU4A thru KBU4M Vishay Semiconductors formerly General Semiconductor Single-Phase Bridge Rectifier Case Style KBU Features 0.935 (23.7) 0.160 (4.1) 0.140 (3.6) 0.895 (22.7) * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * This series is UL listed under the Recognized Component Index, file number E54214 * High case dielectric strength of 1500 VRMS * Ideal for printed circuit boards * Surge overload rating of 200A peak * Typical IR less than 0.1A * High temperature soldering guaranteed: 250C/10 seconds, 0.375 (9.5mm) lead length, 5lbs. (2.3kg) tension 0.185 (4.7) 0.165 (4.2) o 45 0.760 (19.3) MAX. 0.085 (2.2) 0.700 (17.8) 0.065 (1.7) 0.660 (16.8) 0.075 (1.9) R. TYP. (2 PLACES) 0.455 (11.3) 0.405 (10.3) 1.0 (25.4) MIN. Mechanical Data 0.052 (1.3) 0.048 (1.2) DIA. Case: Molded plastic body Terminals: Plated leads solderable per MIL-STD-750, Method 2026 Mounting Position: Any (NOTE 3) Weight: 0.3 oz., 8.0 g Packaging codes/options: 1/250 EA. per Bulk Tray Stack 0.220 (5.6) 0.180 (4.6) Dimensions in inches and (millimeters) Reverse Voltage 50 and 1000 V Forward Current 4.0 A 0.240 (6.09) 0.200 (5.08) 0.280 (7.1) 0.260 (6.6) 0.205 (5.2) 0.185 (4.7) Maximum Ratings & Thermal Characteristics Ratings at 25C 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 V Maximum RMS voltage VRMS 35 70 140 280 420 560 700 V VDC 50 100 200 400 600 800 1000 V Maximum DC blocking voltage Maximum average forward rectified output current at (1) TC=100C TA=30C (2) Peak forward surge current single sine-wave superimposed on rated load (JEDEC Method) Typical thermal resistance per leg (2) (1) IF(AV) 4.0 4.0 A IFSM 200 A RJA RJL 19 4.0 C/W -50 to +150 C Operating junction and storage temperature range TJ, TSTG Electrical Characteristics Ratings at 25C ambient temperature unless otherwise specified. Maximum instantaneous forward drop per leg at 4.0 A VF 1.0 V Maximum DC reverse current at rated TA= 25C DC blocking voltage per leg TA=125C IR 5.0 1.0 A mA 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 Document Number 88656 08-Jul-02 www.vishay.com 1 KBU4A thru KBU4M Vishay Semiconductors formerly General Semiconductor Ratings and Characteristic Curves (TA = 25C unless otherwise noted) Fig. 1 - Derating Curve Output Rectified Current 200 60 HZ Resistive or Inductive Load Peak Forward Surge Current (A) Average Forward Current (A) 4 Fig. 2 - Maximum Non-Repetitive Peak Forward Surge Current Per Leg 3 Heatsink Mounting, TC, 2.0 x 1.6 x 3.0" (5.0 x 4.0 x 0.8cm) Al. Plate 2 1 TA, P.C.B. Mounting 0.47" x 0.47" (12 x 12mm) Copper Pads 150 125 100 75 50 25 0 50 0 150 100 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 (A) 1.0 TJ = 25C Pulse Width = 300s 1% Duty Cycle 1 0.1 0.6 100 10 1 Temperature (C) 100 Instantaneous Forward Current (A) TJ = 150C Single Sine-Wave (JEDEC Method) 175 0.7 0.9 0.8 1.0 1.1 1.3 1.2 Instantaneous Forward Voltage (V) 10 TJ = 100C 1 0.1 TJ = 25C 0.01 0 20 40 60 80 100 Percent of Rated Peak Reverse Voltage (%) Fig. 5 - Typical Junction Capacitance Per Leg Junction Capacitance, pF 150 TJ = 25C f = 1.0MHZ Vsig = 50mVp-p 100 75 50 25 0 0.1 1 10 100 Reverse Voltage (V) www.vishay.com 2 Document Number 88656 08-Jul-02