RL251 thru RL257 CHENG- YI PLASTIC SILICON RECTIFIER ELECTRONIC VOLTAGE RANGE 50 TO 1000 Volts CURRENT 2.5 Amperes MIN 3A FEATURE .042 .040 1.0(25.4) MIN. Low forward voltage High current capability Low leakage current High surge capability Low cost (1.07) (1.01) DIA. .160(4.1) MAX. .160(4.1) MAX. DIA. MECHANICAL DATA Case:Mold plastic use UL 94V-0 recognized flame retardant epoxy Terminals:Axial leads, solderable per MIL-STD-202, method 208 Polarity:Color band denotes cathode Mounting Position:Any 1.0(25.4) MIN. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 250C ambient temperature unless otherwise specified. Signle phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. RL251 RL252 RL253 RL254 RL255 RL256 RL257 UNITS Maximum Recurrent Peak Reverse Voltage 50 100 200 400 600 800 1000 V Maximum RMS Voltage 35 70 140 280 420 560 700 V Maximum DC Blocking Voltage 50 100 200 400 600 800 1000 V Maximum Average Forward Rectified Current, .375", (9.5mm) Lead Length at TA =60 C 2.5 A Peak Forward Surge Current 8.3 ms single half sine-wave 150 A Maximum Forward Voltage at 6.0A Peak 1.2 V Maximum Reverse Current, TA =25 C at Rated DC Blocking Voltage 5.0 Maximum Full Load Reverse Current, Full Cycle Average, .5", (12.5mm) Lead Length TA =105 C 500 A Typical Junction Capacitance (Note 1) 35 pF 0 0 0 Storage Temperature Range TA -65 to +175 0 Operating Tempeature Range TA -65 to +170 0 Notes : 1. Measurd at 1MHz and applied reverse voltage of 4.0 Volts * JEDEC Registered Value. C C RL251 thru RL257 CHENG- YI PLASTIC SILICON RECTIFIER ELECTRONIC RATING AND CHARACTERISTICS CURVES RL251 THRU RL257 Fig. 1 - TYPICAL FORWARD CHARACTERISTICS PEAK FORWARD SURGE CURRENT AMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES Fig. 2 - PEAK FORWARD SURGE CURRENT 10 1.0 0 TJ = 25 C 0.1 250 200 0 TJ=25C 150 100 50 .4 .6 .8 1.0 1.2 1.4 10 1 0 .01 1.6 100 NUMBER OF CYCLES AT 60Hz INSTANTANEOUS FORWARD VOLTAGE, VOLTS Fig. 3 - FORWARD CURRENT DERATING CURVE Fig. 4 - TYPICAL JUNCTION CAPACITANCE 100 2.5 2.0 CAPACITANCE-pF AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 3.0 1.5 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INOUCTIVE LOAD .375" LEAD LENGTH 1.0 0.5 0 TJ=25C 10 0 25 50 75 100 125 150 AMBIENT TEMPERATURE, 0C 175 1 1 10 REVERSE VOLTAGE. VOLTS 100