KBU8A ~ KBU8M Silicon Bridge Rectifier KBU PRV : 50 - 1000 Volts Io : 8.0 Amperes 0.935 (23.7) 0.895 (22.7) FEATURES : ++ * Ideal for printed circuit boards * Reliable low cost construction utilizing molded plastic technique * Plastic material has Underwriters Laboratory Flammability Classification 94V-0 * Pb / RoHS Free 0.760 (19.3) MAX. + AC 0.085 (2.2) 0.065 (1.7) 0.16 (4.1) 0.14 (3.6) AC 1.0 (25.4) MIN. 1.80 (29.9) MIN. 0.052 (1.30) 0.048 (1.20) MECHANICAL DATA : * * * * Case : Molded plastic Polarity : Polarity symbols marked on case Mounting position : Any Weight : 8.0 grams 0.085 (2.16) 0.065 (1.65) 0.280 (7.1 ) 0.260 (6.6) 0.220 (5.60) 0.180 (4.60) Dimensions in inches and ( millimeter ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 C ambient temperature unless otherwise specified. This rating are limiting values above which the serviceability of any semiconductor device may be impaired. RATING SYMBOL KBU KBU KBU KBU KBU KBU KBU 8A 8B 8D 8G 8J 8K 8M 50 100 200 400 600 800 1000 UNIT Maximum Recurrent Peak Reverse Voltage VRRM Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V Maximum Average Forward Rectified V IF(AV) 8.0 A Peak Forward Surge Current, 8.3ms Single half sine-wave Superimposed on rated load (JEDEC Method) IFSM 250 A Maximum Instantaneous Forward Voltage per leg at IF = 8 A VF 1.0 V Maximum DC Reverse Current IR 10 (Ta = 25C) at Rated DC Blocking Voltage per leg IR(H) 1000 (Ta = 100C) Thermal Resistance, Junction to Ambient, per leg (Note1) RJA 18 C/W TJ - 55 to + 150 C TSTG - 55 to + 150 C Output Current Tc=65C Operating Junction Temperature Range Storage Temperature Range A Note : (1) Device mounted on PCB with 0.375" (9.5 mm) lead length and 0.5 x 0.5" (13 x 13 mm) copper pads. Page 1 of 2 Rev. 02 : September 3, 2005 RATING AND CHARACTERISTIC CURVES ( KBU8A - KBU8M ) FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 400 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES 8.0 6.0 4.0 Single phase Half Wave 60Hz Resistive or Inductive Load .375" 9.0 mm Lead Lengths 2.0 350 300 250 8.3 ms SINGLE HALF SINE WAVE JEDEC METHOD 200 150 100 50 0 0 0 25 50 75 100 125 150 175 1 CASE TEMPERATURE, ( C) 2 4 6 10 20 40 60 100 NUMBER OF CYCLES AT 60Hz FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS PER DIODE 100 10 1.0 TJ = 25 C Pulse Width = 300 s 2 % Duty Cycle 0.1 0.6 0.7 0.8 0.9 1.0 1.1 1.2 FORWARD VOLTAGE, VOLTS Page 2 of 2 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES 100 1.3 Ta = 100 C 10 1.0 Ta = 25 C 0.1 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) Rev. 02 : September 3, 2005