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| SR2020 THRU SR2060 20.0 AMPS. Schottky Barrier Rectifiers Voltage Range 20 to 60 Volts Current 20.0 Amperes Features Low forward voltage drop High current capability High reliability High surge current capability TO-220 Mechanical Data Cases: TO-220 molded plastic Epoxy: UL 94V-O rate flame retardant Terminals: Lead solderable per MIL-STD-202, Method 208 guaranteed Polarity: As marked High temperature soldering guaranteed: 260OC/10 seconds .25",(6.35mm) from case. Weight: 2.24 grams Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol Type Number SR SR Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current See Fig. 1 Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 10.0A Maximum D.C. Reverse Current @ Tc=25 at Rated DC Blocking Voltage @ Tc=100 Typical Thermal Resistance (Note 1) Typical Junction Capacitance (Note 2) Operating Junction Temperature Range Storage Temperature Range VRRM VRMS VDC I(AV) IFSM VF IR RJC Cj TJ 2020 20 14 20 2030 30 21 30 SR 2040 40 28 40 20.0 250 SR 2050 50 35 50 SR 2060 60 42 60 Units V V V A A 0.55 1.0 50 1.0 0.70 V mA mA /W pF TSTG Notes: 1. Thermal Resistance from Junction to Case Per Leg, with Heatsink size (4"x6"x0.25") Al-Plate. 2. Measured at 1MHz and Applied Reverse Voltage of 4.0V D.C. 430 360 -65 to +125 -65 to +150 -65 to +150 - 180 - RATINGS AND CHARACTERISTIC CURVES (SR2020 THRU SR2060) FIG.1- FORWARD CURRENT DERATING CURVE 20.0 300 FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG 8.3ms SINGLE HALF SINE WAVE PER LEG. (JEDGE METHOD) Tj=Tj max. AVERAGE FORWARD CURRENT. (A) PEAK FORWARD SURGE CURRENT. (A) 150 16.0 250 200 SR2 SR2 050 12.0 020 -40 -60 150 100 50 25 8.0 4.0 0 0 50 100 o 1 2 5 10 20 50 100 CASE TEMPERATURE. ( C) NUMBER OF CYCLES AT 60Hz 10 FIG.3- TYPICAL REVERSE CHARACTERISTICS PER LEG 100 FIG.4- TYPICAL FORWARD CHARACTERISTICS PER LEG Tj=100 0C INSTANTANEOUS REVERSE CURRENT. (mA) 1.0 INSTANTANEOUS FORWARD CURRENT. (A) 1.0 .01 Tj=25 0C SR 20 50 -2 06 .10 SR 20 Tj=75 0C 20 -2 04 0 10 0 Tj=25 C PULSE WIDTH-300 S 1% DUTY CYCLE .001 0 20 40 60 80 100 120 140 0.1 .2 .3 .4 .5 .6 .7 .8 .9 0 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) INSTANTANEOUS FORWARD VOLTAGE. (V) FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG 4000 JUNCTION CAPACITANCE.(pF) 2000 Tj=25 0C f=1.0MHz Vsig=50mVp-p SR2020-40 1000 800 600 400 SR2050-60 200 100 0.1 0.4 1.0 4 10 40 80100 REVERSE VOLTAGE. (V) - 181 - |
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