BYX 75 thru BYX 81 applications requiring: T= 175 To = 145 C Case Configuration MEDIUM-CURRENT SILICON RECTIFIERS .. compact, highly efficient silicon rectifiers for medium-current @ High-Current Surge Capacity 400 Amperes Peak Performance at elevated Temperatures - 12 Amperes e @ Low Forward Voltage Drop 1.0 Voit at 12.0 Amperes @ Compact, molded Package for optimum Efficiency in a small @ Reverse Polarity Units available LOW COST STUD MOUNTED SILICON RECTIFIERS 12 AMPERES 50-1000 VOLTS DIFFUSED JUNCTION MAXIMUM RATINGS Rating Symbol BYX |] BYX | BYX | BYX | BYX | BYX | BYX 75, 76 77 78 73 80 81 Unit Peak Repetitive Reverse Voltage Working Peak Reverse , Voltage Pas DC Blocking Voltage Ve Virus 50] 100 } 200 } 400 } 600 } 800 | 1000 Volts Non-Repetitive Peak Reverse Voltage {one half-wave, Vesm single phase, 50 cycle Peak) 60} 120 | 240 | 480 | 720 | 1000 | 1200 Volts RMS Reverse Voltage Vegas) 35 70 | 140 | 280 | 420 | 560} 700 Volts Average Rectified Forward Current (single phase, resistive load, 50 cps, lo T. -- 145 C) see Figure 4 12.9 Amp Peak Repetitive Forward Current (T = 175 C)} beta see Figure 2 __----~--- 60 Amp Non-Repetitive Peak Surge Current (super- imposed on Rated Current at Rated Voltage, ho T. 175 C) see Figure 2 ~_ 400 (for '/2 cycle) > Amp Maximum Junction Operating and Storage Temperature Range Ti, Tory ~_---- 65 to + 175 -_-___ ELECTRICAL CHARACTERISTICS Characteristics and Conditions Symbol Max Unit Maximum instantaneous forward voitage drop (i; 100 Amp, Ti = 25 C) VE 1.25 Volts Maximum forward voltage drop (i, 12 Amp, T; Volts Maximum reverse current {rated DC voltage) Tw 25 6 Ti. 100 C 1.0 THERMAL CHARACTERISTICS | Maximum steady state DC thermal resistance, 8 jc : 2.0% C/Watt MECHANICAL CHARACTERISTICS Void free, Transfer Molded and Tin Plated Copper Stud All external surfaces are corrosion-resistant and the terminal Cathode to Case (reverse polarity units are available upon request and are designated by an R suffix ie. BYX 75 R)} Case; Finish: hook is readily solderable Polarity: Mounting Positions: Any Stud Torque: 15 in-lbs max, Maximum Terminal Temperature for soldering purposes : 350C for 10 seconds at 3 Kg tension. 6 175 6.35 Max 20.32 Max al es BR a | of 10--32 UNF-2A Alt Dimensions in MittimetersBYX 75 thru BYX 81 ig, INSTANTANEOUS FORWARD CURRENT (AMP) 700 500 300 200 aw S oo & ow a nN a oom o> fo 2 o Nv a 05 0.3 0.2 0.6 FIGURE 1 FORWARD VOLTAGE FIGURE 2 ~ MAXIMUM SURGE CAPABILITY Q So 5 VRRM MAY BE APPLIED BETWEEN EACH CYCLE OF SURGE. THE Ty NOTED IS Ty PRIOR TO SURGE Ty = 25C S So No WV Perey ive 2 S S MAXIMUM 4 Per, We TYPICAL 100 80 ESM, PEAK HALF WAVE CURRENT {AMP) nm S 3S 60 1.0 2.0 5.0 10 20 50 160 NUMBER OF CYCLES AT 50 Hz FIGURE 3 FORWARD VOLTAGE TEMPERATURE COEFFICIENT TYP! RANGE COEFFICIENT (mV/2C} 08 10006120 74 (1.6 18 #20 22 24 26 0.2 05 61.0 2.0 5.0 10 20 50 100 = 200 ve INSTANTANEOUS FORWARD VOLTAGE (Volts) te INSTANTANEOUS CURRENT (AMP) FIGURE 4 MAX. CURRENT RATING AVERAGE FORWARD CURRENT I-(Av} AMP 125 130 135 140 145 150 155 160 165 170 175 Tc MAXIMUM CASE TEMPERATURE (C) 6-176