SK32A - SK315A 3.0 AMPS. Surface Mount Schottky Barrier Rectifiers SMA/DO-214AC Features For surface mounted application Metal to silicon rectifier, majority carrier conduction Low forward voltage drop Easy pick and place High surge current capability Plastic material used carriers Underwriters Laboratory Classification 94V-0 Epitaxial construction High temperature soldering: 260oC / 10 seconds at terminals Mechanical Data Case: Molded plastic Terminals: Pure tin plated, lead free. Polarity: Indicated by cathode band Packaging: 16mm tape per EIA STD RS-481 Weight: 0.21 gram Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol SK SK SK SK Type Number Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at TL(See Fig. 1) Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage (Note 1) @ 3.0A 32A 33A 34A 35A SK 36A SK SK SK 39A 310A 315A VRRM 20 30 40 50 60 90 100 150 V VRMS VDC 14 20 21 30 28 40 35 50 42 60 63 90 70 105 100 150 V V I(AV) 3.0 A IFSM 70 A VF 0.55 o Maximum DC Reverse Current @ TA =25 C at Rated DC Blocking Voltage @ TA =125 C Typical Thermal Resistance ( Note 2 ) Operating Temperature Range o Units 0.5 IR RθJL RθJA TJ 0.75 10 -55 to +125 5.0 28 88 0.95 V 0.1 2.0 -55 to +150 -55 to +150 Storage Temperature Range TSTG Notes: 1. Pulse Test with PW=300 usec, 1% Duty Cycle 2. Measured on P.C.Board with 0.2 x 0.2” (5 x 5mm) Copper Pad Areas. - 42 - 0.85 mA mA o C/W o C C o Version: B07 RATINGS AND CHARACTERISTIC CURVES (SK32A THRU SK315A) FIG. 1- MAXIMUM FORWARD CURRENT DERATING CURVE A-S 35 4A K3 A 15 K3 A-S 32 1.0 PCB MOUNTED ON 0.2X0.2" (5.0X5.0mm)COPPER PAD AREAS PEAK FORWARD SURGE CURRENT.(A) SK 2.0 SK AVERAGE FORWARD CURRENT.(A) RESISTIVE OR INDUCTIVELOAD 0 FIG. 2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 150 3.0 120 90 60 30 0 50 60 70 80 90 100 110 120 LEAD TEMP ERATURE.( C) 130 140 150 160 1 10 NUMBER OF CYCLES AT 60Hz 100 FIG. 4- TYPICAL REVERSE CHARACTERISTICS FIG. 3- TYPICAL FORWARD CHARACTERISTICS 20 40 34 6A SK K3 A 15 -S A32 10 A 35 SK INSTANTANEOUS REVERSE CURRENT.(mA) A 10 SK INSTANTANEOUS FORWARD CURRENT.(A) AT RATED TL 8.3ms Single Half Sine Wave JEDEC Method S A- K3 9 3 SK PULSE WIDTH=300 S 1% DUTY CYCLE 1 0.1 TJ=125 C 1 0.1 TJ=75 C 0.01 TJ=25 C 0.001 0.2 0.4 1.2 0.6 0.8 1.0 FORWARD VOLTAGE.(V) 1.4 1.5 FIG. 5- TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE.(pF) 1000 Tj=25 C f=1.0MHz Vsig=50mVp-p SK 32 SK A-S K3 35 100 A-S K3 SK 6A 39 A-S K3 10 0.1 4A 15 1 10 REVERSE VOLTAGE.(V) A 100 TRANSCIENT THERMAL IMPEDANCE, (OC/W) 0.01 0 100 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE.(%) FIG.6- TYPICAL TRANSIENT THERMAL CHARACTERISTICS 10 1 0.1 0.01 0.1 1 10 t, PULSE DURATION, (sec) Version: B07 100