3.0 Amp Schottky Barrier Rectifiers COMCHIP www.comchiptech.com SR320 Thru SR3100 Voltage: 20 - 100 Volts Current: 3.0 Amps Features DO-201AD Low forward voltage drop High current capability High reliability High surge current capability Epitaxial construction .220(5.6) .197(5.0) DIA. 1.0(25.4) MIN. .375(9.5) .285(7.2) Mechanical data Case: Molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: Axial leads, solderable per MIL-STD202, method 208 guranteed Polarity: Color band denotes cathode end Weight: 1.10 grams 1.0(25.4) MIN. .052(1.3) .048(1.2) DIA. Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characterics 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 SR320 SR330 SR340 SR350 SR360 SR380 SR3100 UNITS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 20 14 20 30 21 30 40 28 40 50 35 50 See Fig. 1 Peak Forward Surge Current, 8.3 ms single half sine-wave 80 56 80 80 0.85 0.70 0.55 3.0 30 250 Ta=100 C -65 +125 -65 -65 V V V A 20 Operating Temperature Range TJ Storage Temperature Range TSTG 100 70 100 3.0 superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 3.0A Maximum DC Reverse Current Ta=25 C at Rated DC Blocking Voltage Typical Junction Capacitance (Note1) 60 42 60 +150 +150 A V mA 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 Ambient Vertical PC Board Mounting 0.5"(12.7mm) Lead Length. MDS0305002A Page 1 3.0 Amp Schottky Barrier Rectifiers COMCHIP www.comchiptech.com Rating and Characteristic Curves (SR320 Thru SR3100) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE FIG.2-TYPICAL FORWARD SR 1.5 S 0~ 35 R3 ~S 20 10 40 0 R3 1.0 0.5 0 0 20 40 60 80 100 120 140 160 180 200 AMBIENT TEMPERATURE,( C) PEAK FORWAARD SURGE CURRENT,(A) FIG.3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT INSTANTANEOUS FORWARD CURRENT,(A) 2.0 SR SR 32 0~ 35 SR 0~ SR 38 SR 0~ 34 36 SR 0 0 31 00 50 2.5 3 SR AVERAGE FORWARD CURRENT,(A) CHARACTERISTICS 3.0 10 3.0 1.0 Tj=25 C Pulse Width 300us 1% Duty Cycle 0.1 100 .01 80 .1 .3 .5 .7 .9 1.1 1.3 1.5 FORWARD VOLTAGE,(V) 60 8.3ms Single Half Tj=25 C Sine Wave 40 JEDEC method 20 FIG.5 - TYPICAL REVERSE CHARACTERISTICS 0 1 5 50 10 100 100 NUMBER OF CYCLES AT 60Hz REVERSE LEAKAGE CURRENT, (mA) FIG.4-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,(pF) 700 600 500 400 300 200 10 Tj=125 C Tj=100 C 1.0 Tj=75 C Tj=50 C .1 Tj=25 C 100 0 .01 .05 .1 .5 1 REVERSE VOLTAGE,(V) MDS0305002A 5 10 50 100 .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) Page 2