SM320AL VOLTAGE 20V 3.0Amp Low Vf Schottky Barrier Rectifiers Elektronische Bauelemente RoHS Compliant Product A suffix of "-C" specifies halogen & lead-free SMA FEATURES * Low forward voltage drop * High current capability * High reliability * High surge current capability * Epitaxial construction Dimensions in C A MECHANICAL DATA * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Lead: Lead solderable per MIL-STD-202, method 208 guaranteed * Polarity: As Marked * Mounting position: Any B H D E G * Weight: 0.093 grams(Approximately) F Millimeters Dimensions in Inches A 1.25 1.65 0.049 0.065 B 3.99 4.60 0.157 0.181 C 2.50 2.90 0.098 0.114 D 1.98 2.44 0.078 0.096 E 0.051 0.203 0.002 0.008 F G 4.78 5.28 0.188 0.208 0.76 1.52 0.030 0.060 H 0.152 0.305 0.006 0.012 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature unless otherwise specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER Maximum Recurrent Peak Reverse Voltage Working Peak Reverse 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) SM320AL UNITS 20 20 20 V V V 3 100 A A Maximum Instantaneous Forward Voltage (IF=3Amps,Ta = 25 C) 0.44 V Maximum DC Reverse Current Ta=25 C 0.12 mA at Rated DC Blocking Voltage Typical Junction Capacitance (Note1) Typical Thermal Resistance RθJC (Note 2) Operating Temperature Range TJ Storage Temperature Range TSTG Ta=125 C 8 300 17 -50 ~ +150 -65 ~ +175 mA pF C/W C C NOTES: 1. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 2. Thermal Resistance Junction to Case. http://www.SeCoSGmbH.com 01-Jun-2006 Rev. B Any changing of specification will not be informed individual Page 1 of 2 SM320AL VOLTAGE 20V 3.0Amp LowVf Schottky Barrier Rectifiers Elektronische Bauelemente FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE FIG.2- TYPICAL FORWARD VOLTAGE (PER LEG) 4 10 RATED VOLTAGE R qJC = 2° C/W 3 2 0 dc SQUARE WAVE 1 70 90 80 100 110 120 130 140 150 160 180 Tc,CASE TEMPERATURE,( C) FIG.3-MAXIMUM NON-REPETITIVE FORWARD IF(AV) ,INSTANEOUS FORWAED CURRENT(AMP) I F(AV),AVERAGE POWER DISSIPATION AMP RATING AND CHARACTERISTIC CURVES (SM320AL) 3 2 1 T j=25 C P uls e Width 300us 1% Duty C ycle 0.1 SURGE CURRENT PEAK FORWARD SURGE CURRENT,(A) 250 .01 0.1 100 0.2 0.3 0.4 0.5 0.6 0.7 0.8 VF ,INSTANTANEOUS VOLTAGE(VOLTS) 75 8.3ms Single Half Tj=25 C Sine Wave 50 JEDEC method 25 FIG.5 - TYPICAL REVERSE 0 1 CHARACTERISTICS 50 10 100 NUMBER OF CYCLES AT 60Hz REVERSE LEAKAGE CURRENT, (mA) FIG.4-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,(pF) 350 300 250 200 Tj=25 C 150 100 10 Tj=75 C 1.0 .1 Tj=25 C 50 0 1 2 5 10 REVERSE VOLTAGE,(V) http://www.SeCoSGmbH.com 01-Jun-2006 Rev. B 50 100 .01 0 20 40 60 80 100 120 140 PERCENTAGE RATED PEAK REVERSE VOLTAGE Any changing of specification will not be informed individual Page 2 of 2