SKL32B THRU SKL34B 3.0 AMPS. Surface Mount Low VF Schottky Barrier Rectifiers Voltage Range 20 to 40 Volts Current 3.0 Amperes SMB/DO-214AA Features a a a a a a For surface mounted application Metal silicon junction, majority carrier conduction Low forward voltage drop Easy pick and place High surge current capability Plastic material used carries Underwriters Laboratory Classification 94V-O a Epitaxial construction a High temperature soldering: o 260 C / 10 seconds at terminals .147(3.73) .137(3.48) .187(4.75) .167(4.25) .012(.31) .006(.15) .103(2.61) .078(1.99) Mechanical Data a a a a a .082(2.08) .076(1.93) .012(.31) .006(.15) Cases: Molded plastic Terminals: Solder plated Polarity: Indicated by cathode band Packaging: 16mm tape per EIA STD RS-481 Weight: 0.21gram .056(1.41) .035(0.90) .008(.20) .004(.10) .208(5.28) .200(5.08) Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol Type Number SKL32B SKL33B 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 (Note 1) @3.0A Maximum DC Reverse Current @ TA =25 at Rated DC Blocking Voltage @ TA=100 Maximum Thermal Resistance (Note 2) Marking Code Operating Temperature Range Storage Temperature Range VRRM VRMS VDC 20 14 20 30 21 30 SKL34B Units 40 28 40 V V V I(AV) 3.0 A IFSM 100 A 0.385 VF IR RJL RJA SL32B TJ TSTG 5.0 250 17 55 SL33B -55 to +125 -55 to + 150 0.40 mA mA /W SL34B Notes:1. Pulse Test with PW=300 usec, 1% Duty Cycle. 2. Measured on P.C. Board with 0.6 x 0.6”(16.0 x 16.0mm) Copper Pad Areas. - 904 - V RATINGS AND CHARACTERISTIC CURVES (SKL32B THRU SKL34B) FIG. 1- MAXIMUM FORWARD CURRENT DERATING CURVE FIG. 2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 100 PEAK FORWARD SURGE CURRENT.(A) AVERAGE FORWARD CURRENT.(A) 3.0 RESISTIVE OR INDUCTIVELOAD 2.0 1.0 PCB MOUNTED ON 0.4X0.4" (10X10mm)COPPER PAD AREAS 0 50 60 70 80 90 100 110 120 LEAD TEMP ERATURE.( C) 130 140 150 AT RATED TL 8.3ms Single Half Sine Wave JEDEC Method 80 60 40 20 0 160 1 10 NUMBER OF CYCLES AT 60Hz FIG. 4- TYPICAL REVERSE CHARACTERISTICS FIG. 3- TYPICAL FORWARD CHARACTERISTICS 20 50 10 10.0 INSTANTANEOUS REVERSE CURRENT.(mA) INSTANTANEOUS FORWARD CURRENT.(A) Tj=125 C SKL32B-SKL33B Tj=25 C PULSE WIDTH=300 S 1% DUTY CYCLE 1.0 0.1 SKL34B Tj=25 C TA=100 C 1.0 TA=75 C 0.1 0.01 0.001 0.01 0 .2 .4 1.0 1.2 .6 .8 FORWARD VOLTAGE.(V) 1.4 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE.(%) 1.5 FIG. 5- TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE.(pF) 1000 Tj=25 C f=1.0MHz Vsig=50mVp-p 100 10 .1 1.0 10 TA=25 C 100 REVERSE VOLTAGE.(V) - 39 - 100