LK32A THRU LK34A FRONTIER ELECTRONICS CO., LTD. 3A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS CATHODE FEATURES ! FOR SURFACE MOUNTED APPLICATIONS ! LOW PROFILE PACKAGE ! BUILT-IN STRAIN RELIEF ! EASY PICK AND PLACE ! PLASTIC MATERIAL USED CARRIES UNDERWRITERS LABORATORY CLASSIFICATION 94 V-0 ! EXTREMELY LOW VF ! MAJORITY CARRIER CONDUCTION ! HIGH TEMPERATURE SOLDERING：250℃/10 SECONDS AT TERMINALS SOLDERING PAD .012(0.3) Typ .220(5.58) REF .110(2.8) .094(2.4) .08(2.03) MIN .185(4.8) .177(4.4) .052(1.32) MIN .094(2.38) MAX .165(4.2) .150(3.8) .067(1.7) .060(1.5) MECHANICAL DATA ! CASE：TSMA ! TERMINALS：SOLDER PLATED ! POLARITY：INDICATED BY CATHODE BAND ! WEIGHT：0.10 GRAMS .04(1.0) Typ CASE-TSMA DIMENSIONS IN INCHES AND (MILLIMETERS) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS 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% RATINGS MAXIMUM RECURRENT PEAK REVERSE VOLTAGE MAXIMUM RMS VOLTAGE MAXIMUM DC BLOCKING VOLTAGE MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT SEE FIG.1 MAXIMUM OVERLOAD SURGE 8.3ms SINGLE HALF SINE-WAVE STORAGE TEMPERATURE RANGE OPERATING TEMPERATURE RANGE SYMBOL VRRM VRMS VDC LK32A 20 14 20 LK34A 40 28 40 UNITS V V V IO 3.0 A IFSM 80 A TSTG TOP -55 TO + 150 -55 TO + 125 ℃ ℃ ELECTRICAL CHARACTERISTICS (AT TA =25°C UNLESS OTHERWISE NOTED) CHARACTERISTICS SYMBOL MAXIMUM FORWARD VOLTAGE AT 3.0A AC AND 25℃ VF MAXIMUM REVERSE CURRENT AT 25℃ IR LK32A 0.38 LK34A 0.40 0.5 UNITS V mA RATINGS AND CHRACTERISTIC CURVE LK32A THRU LK34A INSTANTANEOUS FORWARD CURRENT AMPERES FIG. 1 - FORWARD CURRENT DERTING CURVE SINGLE PHASE HALF WAVE 60HZ RESISTIVE OR INDUCTIVE LOAD 1.0 P.C.B MOUNTED ON 0.3×0.3”(8.0×8.0mm) COPPER PAD AREAS 0 0 20 20 10 1.0 TJ=25℃ PULSE WIDTH=300us 1% DUTY CYCLE 0.1 .1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 40 60 80 100 120 140 160 180 200 INSTANTANEOUS FORWARD VOLTGE, VOLTS LEAD TEMPERATURE (℃ ℃) FIG. 5 - MAXIMUM NON-REPETITIVE SURGE CURRENT FIG. 3 - TYPICAL REVERSE CHRACTERISTICS 50 PEAK FORWARD SURGE CURRENT, AMPERES INSTNTANEOUS REVERSE CURRENT, MILLIAMPERES 100 TA=125℃ 10 1.0 TA=75℃ 8.3ms Single Half Sine-Wave (JEDEC Method) 40 30 20 10 .10 0 TA=25℃ 1 2 4 10 20 40 .01 NUMBER OF CYCLES AT 60HZ .001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG. 4 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPCITANCE, PF IO-AVERAGE RECTIFIED CURRENT (A) 2.0 FIG.2 - TYPICL OINSTANTANEOUS FORWARD CHARACTERISTICS 400 200 100 80 60 40 20 10 0.1 0.4 1.0 4 10 REVERSE VOLTAGE, VOLTS 40 100 100