Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: [email protected] Web: http://www.frontierusa.com 3A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS SK32-LFR THRU SK310-LFR FEATURES z FOR SURFACE MOUNTED APPLICATIONS z LOW PROFILE PACKAGE z BUILT-IN STRAIN RELIEF z EASY PICK AND PLACE z PLASTIC MATERIAL USED CARRIES UNDERWRITERS LABORATORY CLASSIFICATION 94 V-0 z EXTREMELY LOW VF z MAJORITY CARRIER CONDUCTION z HIGH TEMPERATURE SOLDERING: 250°C /10 SECONDS AT TERMINALS z ROHS CATHODE .012(0.3) Typ SOLDERING PAD .320(8.12) REF .189(4.8) .173(4.4) .158(4.02) MIN .276(7.0) .260(6.6) .06(1.52) MIN .185(4.69) MAX .244(6.2) .228(5.8) MECHANICAL DATA z CASE: THIN SMC, DIMENSIONS IN INCHES AND (MILLIMETERS) z TERMINALS: SOLDER PLATED z POLARITY: INDICATED BY CATHODE BAND z WEIGHT: 0.195 GRAMS .087(2.2) .071(1.8) .04(1.0) Typ 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% SK32-LF SK33-LF SK34-LF SK35-LF SK36-LF SK38-LF SK310-LF UNITS RATINGS SYMBOL R R R R R R R MAXIMUM RECURRENT PEAK REVERSE VOLTAGE VRRM 20 30 40 50 60 80 100 V MAXIMUM RMS VOLTAGE VRMS 14 21 28 35 42 56 70 V MAXIMUM DC BLOCKING VOLTAGE VDC 20 30 40 50 60 80 100 V MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT IO 3.0 A SEE FIG.1 MAXIMUM OVERLOAD SURGE IFSM 80 A 8.3ms SINGLE HALF SINE-WAVE STORAGE TEMPERATURE RANGE TSTG -55 TO + 150 ℃ OPERATING TEMPERATURE RANGE TOP -55 TO + 125 ℃ ELECTRICAL CHARACTERISTICS (AT TA =25°C UNLESS OTHERWISE NOTED) SK32-LF SK33-LF SK34-LF SK35-LF SK36-LF SK38-LF SK310-LF UNITS CHARACTERISTICS SYMBOL R R R R R R R MAXIMUM FORWARD VOLTAGE AT 3.0A AC AND 25℃ VF MAXIMUM REVERSE CURRENT AT 25℃ IR SK32-LFR THRU SK310-LFR 0.55 0.70 0.5 0.85 V mA Page: 1 RATINGS AND CHARACTERISTIC CURVE SK32-LFR THRU SK310-LFR FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 3.0 P.C.B MOUNTED ON 0.3×0.3”(8.0×8.0mm) COPPER PAD AREAS 2.25 1.5 SINGLE PHASE HALF WAVE 60HZ RESISTIVE OR INDUCTIVE LOAD 0.75 0 0 25 50 75 100 125 150 LEAD TEMPERATURE, ℃ 175 INSTANTANEOUS FORWARD CURRENT AMPERES AVERAGE FORWARD CURRENT AMPERES FIG. 1 - FORWARD CURRENT DERATING CURVE 20 10 1.0 SK32-LF~SK34-LF SK35-LF~SK310-LF 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 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG. 3A - TYPICAL REVERSE CHARACTERISTICS FIG. 3B - TYPICAL REVERSE CHARACTERISTICS 100 100 10 TJ=125℃ SK35-LF~SK310-LF INSTANTANEOUS REVERSE CURRENT, MILLIAMPERES INSTANTANEOUS REVERSE CURRENT, MILLIAMPERES SK32-LF~SK34-LF 1.0 TJ=75℃ .10 TJ=25℃ .01 10 1.0 TJ=150℃ TJ=125℃ .10 TJ=75℃ TJ=25℃ .01 .001 0 20 40 60 80 100 120 140 .001 0 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) SK32-LFR THRU SK310-LFR 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) Page: 2