KBU6A ~ KBU6M Silicon Bridge Rectifiers KBU PRV : 50 - 1000 Volts Io : 6.0 Amperes 0.935 (23.7) 0.895 (22.7) * * * * Ideal for printed circuit boards High surge current capability High case dielectric strength of 1500 VRMS Pb / RoHS Free 0.085 (2.2) 0.065 (1.7) + + 0.760 (19.3) MAX. FEATURES : + AC AC 0.16 (4.1) 0.14 (3.6) 1.0 (25.4) MIN. 1.80 (29.9) MIN. 0.052 (1.30) 0.048 (1.20) MECHANICAL DATA : * * * * 0.085 (2.16) 0.065 (1.65) Case : Molded plastic Polarity : Polarity symbols marked on case Mounting position : Any Weight : 8.0 grams 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. RATING SYMBOL KBU KBU KBU KBU KBU KBU KBU UNIT 6B 6D 6G 6J 6K 6M 6A 50 100 200 400 600 800 1000 V Maximum Recurrent Peak Reverse Voltage VRRM 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 Tc = 100 °C (1)(2) Ta = 40 °C (3) Peak Forward Surge Current, Single sine-wave IF(AV) 6.0 A 6.0 IFSM 250 A Maximum Instantaneous Forward Voltage per leg at I F = 6 A VF 1.0 V Maximum DC Reverse Current IR 5.0 (Ta = 25°C) μA IR(H) 1.0 (Ta = 125°C) mA RθJA 8.6 °C/W RθJC 3.1 °C/W TJ, TSTG - 50 to + 150 °C Superimposed on rated load at Rated DC Blocking Voltage per leg Thermal Resistance, Junction to Ambient, per leg Thermal Resistance, Junction to Case, per leg (2) (2) Operating Junction and Storage Temperature Range Notes : (1) Recommended mounted position is to bolt down on heatsink with silicone thermal compound for maximum heat thansfer with #6 screw (2) Thermal resistance from junction to ambient with units in free air, P.C.B. mounted on 0.5 x 0.5" (12 x 12 mm) copper pads, 0.375" (9.5 mm) lead length. (3) Thermal resistance from junction to case with units mounted on a 2.6 x 1.4 x 0.06" thick (6.5 x 3.5 x 15 cm) Al.Plate Page 1 of 2 Rev. 01 : February 15, 2006 RATING AND CHARACTERISTIC CURVES ( KBU6A - KBU6M ) FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG 250 PEAK FORWARD SURGE CURRENT, (A) AVERAGE FORWARD CURRENT, (A) 6.0 4.5 Heatsink Mounting, Tc, 2.6 x 1.4 x 0.06" (6.5 x 3.5 x 15 cm) Al.Plate 3.0 P.C.B. Mounting, Ta, 0.375" (9.5 mm) Lead Length with 0.5 x 0.5" (12 x 12 mm) Copper Pad Areas 1.5 225 200 175 150 125 TJ = 150 °C Single Sine-Wave 100 75 0 50 0 50 100 150 1 TEMPERATURE, ( °C) 2 4 6 10 20 40 60 100 NUMBER OF CYCLES AT 60Hz FIG.3 - TYPICAL INSTANTANEOUS FORWARD FIG.4 - TYPICAL REVERSE LEAKAGE CHARACTERISTICS PER LEG CHARACTERISTICS PER LEG 50 INSTANTANEOUS REVERSE CURRENT, (µA) INSTANTANEOUS FORWARD CURRENT, (A) 100 10 1.0 TJ = 25 °C Pulse width = 300 µs 1% Duty Cycle 0.1 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 INSTANTANEOUS FORWARD VOLTAGE, (V) Page 2 of 2 10 TJ = 100 °C 1.0 0.1 TJ = 25 °C 0.01 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) Rev. 01 : February 15, 2006