SRAS2020 - SRAS20150 20.0 AMPS. Surface Mount Schottky Barrier Rectifiers D2PAK Features For surface mounted application Ideal for automated pick & place Low power loss, high efficiency High current capability, low VF High reliability Epitaxial construction Guard-ring for transient protection Mechanical Data 2 Cases: D PAK molded plastic Epoxy: UL 94V-0 rate flame retardant Terminals: Pure tin plated, Lead solderable per MIL-STD-202, Method 208 guaranteed Polarity: As marked High temperature soldering guaranteed: o 260 C/10 seconds at terminals Weight: 1.70 grams Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics o Rating 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% Symbol SRAS SRAS SRAS Type Number 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 @ 20A @ 40A Maximum D.C. Reverse Current @ Tj=25 oC at Rated DC Blocking Voltage @ Tj=125 oC Typical Junction Capacitance (Note 2) VRRM VRMS VDC 2020 2030 2040 20 14 20 30 21 30 40 28 40 SRAS SRAS SRAS SRAS SRAS 2050 2060 2090 20100 20150 50 35 50 60 42 60 90 63 90 Units 100 150 70 105 100 150 V V V I(AV) 20 A IFSM 330 A VF 0.57 0.73 0.70 0.85 0.5 IR 15 pF 10 1400 1.5 -65 to +150 -65 to +150 Typical Thermal Resistance (Note 1) RθJC Operating Junction Temperature Range TJ Storage Temperature Range TSTG Notes: 1. Mounted on Heatsink Size of 2” x 3” x 0.25” Al-Plate 2. Measured at 1MHz and Applied Reverse Voltage of 4.0V D.C. - 68 - 0.92 1.02 1.02 1.12 V mA mA 0.1 5.0 pF C/W o C o C o Version: C07 RATINGS AND CHARACTERISTIC CURVES (SRAS2020 THRU SRAS20150) FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PER BRIDGE ELEMENT FIG.1- FORWARD CURRENT DERATING CURVE 400 PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 20.0 16.0 12.0 8.0 4.0 0 0 50 100 300 200 100 80 60 40 20 150 1 1.5 2 2.5 3 o CASE TEMPERATURE. ( C) FIG.3- TYPICAL FORWARD CHARACTERISTICS PER LEG -2 04 00 06 90 S2 0 -2 50 01 -2 AS 20 SR AS 20 15 SR 0 10 40 60 80 100 FIG.4- TYPICAL REVERSE CHARACTERISTICS PER LEG 0 INSTANTANEOUS REVERSE CURRENT. (mA) 20 10 0 SR 20 AS SR A INSTANTANEOUS FORWARD CURRENT. (A) 100 4 5 6 7 8 9 10 15 20 25 30 NUMBER OF CYCLES AT 60Hz 1.0 0 25 C Tj=1 1.0 0 .10 75 C Tj= .01 0 25 C Tj= 0 Tj=25 C PULSE WIDTH-300 S 1% DUTY CYCLE 0.1 .2 .3 .4 .5 .6 .7 .8 .9 .001 1.0 INSTANTANEOUS FORWARD VOLTAGE. (V) FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG TRANSIENT THERMAL IMPEDANCE. ( OC/W) JUNCTION CAPACITANCE.(pF) 0 Tj=25C f=1.0MHz Vsig=50mVp-p 1,000 100 1 10 REVERSE VOLTAGE. (V) 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 5,000 0.1 0 100 100 FIG.6- TYPICAL TRANSIENT THERMAL IMPEDANCE PER LEG 10.0 1 0.1 0.01 0.1 1 10 T, PULSE DURATION. (sec) Version: C07 100