MICR UALITY SEMICONDUCTOR, INC. 30 Amp Fast Recovery Epoxy Bridge Rectifiers 30 Amps DC Forward Current at Tc = 60C 150 Amps Peak One Half Cycle Surge Current Externally Exposed Copper Mounting Pad For Low Thermal Resistance 2200 Volts Minimum Circuit-to-Case Insulation LTR. INCHES MILLIMETERS A .162-.168 Dia. 4,11-4,27 Dia. B -345-.355 Dia. 8,76~-9,02 Dia. Cc 23-.27 Typ. 5,84-6.86 Typ. ) D .138-.158 Typ. 3,51-4,01 Typ. E .38~-.42 Typ. 9,65-10,67 Typ. : 3} F .245-.255 Typ. 6,22-6,48 Typ. o G .85-.89 Sq. 21,59-22,61 Sq. H .76-.78 Sq. 19,30-19,81 Sq. | .030-.034 Typ. .76-,86 Typ. tof J 09-11 2,20-2,79 Typ. 2 K 138-42 9,65-10,67 ks ae - L .29-.30 7,37-7,62 i M .75 Max. 19,05 Max. | (S)fs) f fwoone N .89-1.04 Typ. 22,61-26,42 Typ. Ip oa a ELS) ted Se Ld a MAXIMUM RATINGS (Ai T, = 25C (unless otherwise specified) RATINGS SYMBOL VK048xX VK148X VK248X VK448X VK648X UNITS DC Blocking Voltage Vr Working Peak Reverse Voltage Vawm 50 100 200 400 600 Volts Peak Repetitive Reverse Voltage Varm RMS Reverse Voltage Vavems) 35 70 140 280 420 Volts Peak Surge Current, ve Cycle at 60 Hz,(Non-Rep) and Ts = 60C (Fig.2) Irs 150 Amps Peak Surge Current, 1 sec. at 60 Hz and Tg = 60C (Fig. 2) bran 65 Amps Avg. Forward Current at T; = 60C (Fig. 1) lo 30 Amps Avg. Forward Current at T, = 40C (No Heat Sink) lo 4 Amps Junction Operating and Storage Temperature Range Ty, Tste 50 to +135 C ELECTRICAL CHARACTERISTICS (At T, = 25C unless otherwise specified) CHARACTERISTICS SYMBOL | vKo4sx | vki4ex | vK24ex | vk4a4sx | VK648Xx UNITS Maximum Reverse Recovery Time l- = 1 Amp, la = 2 Amp, Ina = 0.5 Amp te 200 nsec Maximum Instantaneous Forward Voltage Vy, 18 Volts/ Drop (per diode) at 30 Amps (Fig. 3) m , Leg Maximum Reverse Current at \ 50 A Rated Vay at T, = 40C (Fig.4) aM : My Maximum Reverse Current at Rated Vay at T) = 135C (Fig. 4) tra 5.0 ma Insulation Strength From Circuit to Case (min.) 2200 Voits DC Maximum Thermal Resistance, Junction to Case Rosc 4.0 C/W Recognized Under Components Program of Underwriters Laboratories, Inc. 29 DC FORWARD CURRENT, Ip, (AMPS) 30 25 20 15} CASE TEMP. IS MEASURED FROM A POINT MIDWAY BETWEEN THE OUTEA 10} EDGE AND THE MOUNTING HOLE EDGE. Reuce 1.0C/W. 5 0 DC FORWARD CURRENT VS CASE TEMPERATURE \ ON THE MOUNTING PAD 0 20 40 60 80 100 120 140 160 180 CASE TEMPERATURE, Tg, (C) PEAK SURGE CURRENT (PER LEG) VS NUMBER OF CYCLE AT 60Hz and Ty, = 60C g 8 PEAK SURGE CURRENT {NON-REP), lesn, (AMPS) = o 10 NUMBER OF CYCLES AT 60Hz g 8 0.1 GO 02 04 06 08 1.0 1.2 14 16 18 20 22 24 TYPICAL INSTANTANEOUS FORWARD VOLTAGE DROP Ven, (VOLTS) FIGURE 1 FIGURE 2 TYPICAL INSTANTANEOUS FORWARD VOLTAGE REVERSE CURRENT VS JUNCTION 3000 DROP (PEA LEG} VS DC FORWARD CURRENT TEMPERATURE AT OC BLOCKING VOLTAGE 500 a a = z = 100 = 2 ~ : = . = 10 3 e > < og 2 ww & a 5 10 a a 8 r 25 50 75 100 JUNCTION TEMPERATURE T 125 150 FIGURE 3 FIGURE 4 100 CAPACITIVE LOAO GERATING CURVE 1. Standard parts have terminals bent up at approximately 90 angle 30 we] - . from mounting plane. To order terminals parallel ta mounting plane LL] (see front page photo), change the second digit of the part number 80 from 4 to 3 Example: Change VK248X to VK238X. 2. Also available with center-tap common cathode, common anode a 0 Waveform measured at and doubler circuits as shown below. 3 V4 either AC terminal w 60) 1 44 2 / | 2 50 Anplied vottage S Conduction Current S COMMON . COMMON - OOUBLER 2 = 40 mS CATHODE ANOOE 2 tome! le = 30 7 $ + le c 4 ac ac ac ac 3 20 i Add suffin CA Add puttin O" Add suffin "C" ; C= 180 Conduction Angle (Resistive Load) 10 Bart no. t@ Bart no. 10 part no. 19 | c's Decreased Conduction Angle | | 0 1 _| | i a 20 40 60 80 100 120 140 160 1 c' FORWARD CONDUCTION ANGLE ( OEGREES) FIGURE 5 FIGURE 6 30