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| RL251 2.5 AMP SILICON RECTIFIERS THRU RL257 VOLTAGE RANGE 50 to 1000 Volts CURRENT FEATURES * Low forward voltage drop * High current capability * High reliability * High surge current capability 2.5 Amperes R-3 .160(4.1) .138(3.5) DIA. 1.0(25.4) MIN. MECHANICAL DATA * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Lead: Axial leads, solderable per MIL-STD-202, method 208 guranteed * Polarity: Color band denotes cathode end * Mounting position: Any * Weight: 0.54 grams .160(4.1) .138(3.5) .042(1.1) .040(1.0) DIA. 1.0(25.4) MIN. Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at Ta=75 C Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 2.5A Maximum DC Reverse Current Ta=25 C at Rated DC Blocking Voltage Ta=100 C Typical Junction Capacitance (Note 1) Typical Thermal Resistance RqJA (Note 2) Operating and Storage Temperature Range TJ, TSTG NOTES: RL251 RL252 RL253 RL254 RL255 50 35 50 100 70 100 200 140 200 400 280 400 2.5 150 1.0 5.0 50 35 35 -65 +175 600 420 600 RL256 RL257 UNITS 800 560 800 1000 700 1000 V V V A A V A A pF C/W C 1. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 2. Thermal Resistance from Junction to Ambient .375" (9.5mm) lead length. RATING AND CHARACTERISTIC CURVES (RL251 THRU RL257) FIG.1-TYPICAL FORWARD CHARACTERISTICS AVERAGE FORWARD CURRENT,(A) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE 3.0 2.5 2.0 1.5 1.0 0.5 0 0 20 40 60 80 100 120 140 160 180 200 Single Phase Half Wave 60Hz Resistive Or Inductive Load 0.375"(9.5mm) Lead Length 50 INSTANTANEOUS FORWARD CURRENT,(A) 10 3.0 1.0 Tj=25 C Pulse Width 300us 1% Duty Cycle AMBIENT TEMPERATURE,( C) 0.1 FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT,(A) 150 .01 .6 .7 .8 .9 1.0 1.1 1.2 1.3 FORWARD VOLT AGE,(V) 120 90 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method 60 30 FIG.3 - TYPICAL REVERSE CHARACTERISTICS 100 0 1 5 10 50 100 NUMBER OF CYCLES AT 60Hz 10 REVERSE LEAKAGE CURRENT, ( A) 70 Tj=100 C FIG.5-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,(pF) 60 50 40 30 20 10 0 1.0 .1 Tj=25 C .01 0 .01 .05 .1 .5 1 5 10 50 100 20 40 60 80 100 120 140 REVERSE VOLTAGE,(V) PERCENT OF RATED PEAK REVERSE VOLT AGE,(%) |
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