KBU4B ON Semiconductor

KBU4A - KBU4M KBU4A - KBU4M Features High surge current capability. Reliable construction technique. Ideal for printed circuit board. - ~ ~ + KBU Bridge Rectifiers Absolute Maximum Ratings* T = 25C unless otherwise noted A Value Symbol Parameter Units 4A 4B 4D 4G 4J 4K 4M V Maximum Repetitive Reverse Voltage 50 100 200 400 600 800 1000 V RRM V Maximum RMS Bridge Input Voltage 35 70 140 280 420 560 700 V RMS V DC Reverse Voltage (Rated V) 50 100 200 400 600 800 1000 V R R I Average Rectified Forward Current, T = 50C 4.0 A F(AV) A I Non-repetitive Peak Forward Surge Current 200 A FSM Storage Temperature Range -55 to +150 T C stg T Operating Junction Temperature -55 to +150 C J *These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. Thermal Characteristics Symbol Parameter Value Units P Power Dissipation 6.6 W D R Thermal Resistance, Junction to Ambient,* per leg 19 C/W JA R Thermal Resistance, Junction to Lead,* per leg 4.0 C/W JL *Device mounted on PCB with 0.375 (9.5 mm) lead length and 0.5 x 0.5 (13 x 13 mm) copper pads. Electrical Characteristics T = 25C unless otherwise noted A Symbol Parameter Device Units V Forward Voltage, per bridge 4.0 A 1.0 V F I R Reverse Current, total bridge rated V R 5.0 A T = 25C A 500 A T = 100C A 2001 Fairchild Semiconductor Corporation KBU4A-KBU4M, Rev. CKBU4A - KBU4M Bridge Rectifiers (continued) Typical Characteristics 5 100 4 10 3 SINGLE PHASE HALF WAVE 2 60HZ RESISTIVE OR 1 INDUCTIVE LOAD 1 .375 9.0 mm LEAD T T = = 2255 C C A J LENGTHS Pulse Width = 300 S 2% Duty Cycle 0 0.1 0 50 100 150 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 Ambient Temperature C Forward Voltage, V V F Figure 1. Forward Current Derating Curve Figure 2. Forward Voltage Characteristics 200 100 175 T = 100 C A 150 10 125 100 75 1 50 T = 25 C A 25 0 0.1 12 5 10 20 50 100 0 20 406080 100 120 140 Number of Cycles at 60Hz Percent of Rated Peak Reverse Voltage % Figure 3. Non-Repetitive Surge Current Figure 4. Reverse Current vs Reverse Voltage 2001 Fairchild Semiconductor Corporation KBU4A-KBU4M, Rev. C Average Rectified Forward Current, I A Peak Forward Surge Current, I A F FSM Reverse Current, I mA Forward Current, I A R F