RL251 THRU RL257 SILICON RECTIFIER VOLTAGE RANGE 50 to 1000 Volts CURRENT 2.5 Amperes FEATURES * Low cost * Low leakage * Low forward voltage drop * High current capability MECHANICAL DATA * Case: Molded plastic ( ) * Epoxy: Device has UL flammability classification 94V-O .042 1.1 DIA. ( ) ( ) .040 1.0 1.0 25.4 * Lead: MIL-STD-202E method 208C guaranteed MIN. * Mounting position: Any * Weight: 0.54 gram .160 (4.1) ( ) .138 3.5 ( ) .160 4.1 DIA. ( ) .138 3.5 ( ) 1.0 25.4 MIN. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS o Ratings at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) o MAXIMUM RATINGS (At TA = 25 C unless otherwise noted) RATINGS SYMBOL RL251 RL252 RL253 RL254 RL255 RL256 RL257 UNITS Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 Volts Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 Volts Maximum DC Blocking Voltage VDC Volts 50 100 200 400 600 800 1000 Maximum Average Forward Rectified Current IO 2.5 Amps o at TA = 75 C Peak Forward Surge Current, 8.3 ms single half sine-wave IFSM 150 Amps superimposed on rated load (JEDEC method) 2 2 Typical Current Squarad Time I t A /Sec 93.37 Typical Junction Capacitance (Note) CJ 35 pF 0 Typical Thermal Resistance R Q JA 35 C/W 0 Operating and Storage Temperature Range TJ, TSTG -55 to + 150 C o ELECTRICAL CHARACTERISTICS (At TA = 25 C unless otherwise noted) SYMBOL RL251 RL252 RL253 RL254 RL255 RL256 RL257 UNITS CHARACTERISTICS Maximum Instantaneous Forward Voltage at 2.5A DC VF 1.0 Volts o Maximum DC Reverse Current TA = 25 C 1.0 uAmps o at Rated DC Blocking Voltage TA = 100 C 50 IR Maximum Full Load Reverse Current Average, Full Cycle 30 uAmps o .375 (9.5mm) lead length at TL = 75 C NOTES : Measured at 1 MHZ and applied reverse voltage of 4.0 volts 2016-09 REV:A( ) RATING AND CHARACTERISTIC CURVES RL251 THRU RL257 FIG. 1 - TYPICAL FORWARD CURRENT FIG. 2 - TYPICAL INSTANTANEOUS FORWARD DERATING CURVE CHARACTERISTICS 2.5 20 10 2.0 4 2 1.0 1.5 .4 1.0 .2 T = 25 J .1 Pulse Width=300uS Single Phase Half Wave 1% Duty Cycle .5 60Hz Inductive or .04 Resistive Load .02 0 .01 0 25 50 75 100 125 150 175 .6 .8 1.0 1.2 1.4 1.5 AMBIENT TEMPERATURE, ( ) INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG. 4 - TYPICAL REVERSE CHARACTERISTICS 150 50 120 T = 100 J 10 90 1.0 cycle 60 1.0 30 .4 T = 25 J 5 .1 1 2 4 6 810 20 40 6080100 0 20 40 60 80 100 120 140 NUMBER OF CYCLES AT 60Hz PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG. 5 - TYPICAL JUNCTION CAPACITANCE 200 100 60 40 20 10 T = 25 J 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE, ( V ) RECTRON K PEAFORRWAD RSUGE AVERAGE FORWARD CURNRE T, (A) CURER NT, (A) ( ) JAUNCTION CAPCICTAEN , pF INSTAANTONSEUE VSR EER CURRENT, (uA) ITNS ANTANEOUFS ORWDAR CTURREN , (A)