SRAS2035 THRU SRAS2045 20.0 AMPS. Schottky Barrier Rectifiers Voltage Range 35 to 45 Volts Current 20.0 Amperes D2PAK Features For surface mounted application Low forward voltage drop High current capability High reliability High surge current capability Mechanical Data Cases: D2PAK molded plastic Epoxy: UL 94V-0 rate flame retardant Terminals: Lead solderable per MIL-STD-202, Method 208 guaranteed Polarity: As marked High temperature soldering guaranteed: 260OC/10 seconds at terminals Weight: 1.70 grams " Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol SRAS2035 SRAS2040 SRAS2045 Type Number Maximum Recurrent Peak Reverse Voltage VRRM 35 40 45 Maximum RMS Voltage VRMS 25 28 32 Maximum DC Blocking Voltage VDC 35 40 45 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 @ 20.0A @ 40.0A Maximum D.C. Reverse Current @ Tj=25℃ at Rated DC Blocking Voltage @ Tj=125℃ Typical Thermal Resistance (Note 1) Typical Junction Capacitance (Note 2) Operating Junction Temperature Range Units V V V I(AV) 20.0 A IFSM 350 A VF 0.57 0.73 2.7 105 V IR RθJC pF TJ 1.5 900 -65 to +150 TSTG -65 to +150 Notes: 1. Thermal Resistance from Junction to Case Per Leg, 2. Measured at 1MHz and Applied Reverse Voltage of 5.0V D.C. Storage Temperature Range - 186 - mA mA ℃/W pF ℃ ℃ RATINGS AND CHARACTERISTIC CURVES (SRAS2035 THRU SRAS2045) FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PER BRIDGE ELEMENT FIG.1- FORWARD CURRENT DERATING CURVE 400 16.0 12.0 8.0 4.0 0 300 PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 20.0 0 50 100 200 100 80 60 40 20 150 1 1.5 2 2.5 3 o CASE TEMPERATURE. ( C) FIG.3- TYPICAL REVERSE CHARACTERISTICS PER LEG INSTANTANEOUS FORWARD CURRENT. (A) 0 00 C .10 0 Tj= .01 75 C 5C 2 Tj= 20 25 30 40 60 80 100 100 0 10 1.0 0 Tj=25 C PULSE WIDTH-300 S 1% DUTY CYCLE .001 0 20 40 60 80 100 120 0.1 140 .2 .3 .4 .5 .6 .7 .8 .9 INSTANTANEOUS FORWARD VOLTAGE. (V) PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG 5,000 Tj=25 0C f=1.0MHz Vsig=50mVp-p JUNCTION CAPACITANCE.(pF) INSTANTANEOUS REVERSE CURRENT. (mA) Tj=1 15 FIG.4- TYPICAL FORWARD CHARACTERISTICS PER LEG 10 1.0 4 5 6 7 8 9 10 NUMBER OF CYCLES AT 60Hz 1,000 100 0.1 1 10 REVERSE VOLTAGE. (V) - 187 - 100