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 SCHOTTKY BARRIER RECTIFIERS SR302-LFR THRU SR310-LFR FEATURES z EXTREMELY LOW VF z LOW STORED CHARGE, MAJORITY CARRIER CONDUCTION z LOW POWER LOSS / HIGH EFFICIENCY z UL 94V0 FLAME RETARDANT EPOXY MOLDING COMPOUND z ROHS 1.0(25.4) MIN .052(1.3) .048(1.2) .375(9.5) .335(8.5) .220(5.6) .197(5.0) MECHANICAL DATA z CASE: TRANSFER MOLDED, DO201AD, DIMENSIONS IN INCHES AND (MILLIMETERS) z LEADS: SOLDERABLE PER MIL-STD-202,METHOD 208 z POLARITY: CATHODE INDICATED BY COLOR BAND z WEIGHT: 1.2 GRAMS 1.0(25.4) MIN 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 SYMBOL VRRM VRMS VDC 20 14 20 30 21 30 40 28 40 50 35 50 60 42 60 IO .375〞(9.5mm) LEAD LENGTH AT TA=55°C PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF SINE-WAVE SUPERIMPOSED ON RATED LOAD TYPICAL JUNCTION CAPACITANCE SR302-LF SR303-LF SR304-LF SR305-LF SR306-LF SR307-LF SR308-LF SR309-LF SR310-LF UNITS R R R R R R R R R STORAGE TEMPERATURE RANGE TSTG OPERATING TEMPERATURE RANGE TOP 80 56 80 90 63 90 100 70 100 3.0 IFSM CJ 70 49 70 A 80 250 A 200 PF ℃ - 55 TO + 150 - 55 TO + 125 V V V ℃ - 55 TO + 150 ELECTRICAL CHARACTERISTICS (AT TA =25°C UNLESS OTHERWISE NOTED) CHARACTERISTICS SYMBOL MAXIMUM FORWARD VOLTAGE AT IO DC VF MAXIMUM REVERSE CURRENT AT 25℃ IR SR302-LF SR303-LF SR304-LF SR305-LF SR306-LF SR307-LF SR308-LF SR309-LF SR310-LF UNITS R R R R R R R R R 0.50 0.74 0.85 V 2.0 mA NOTES: 1. MEASURED AT 1 MHZ AND APPLIED REVERSE VOLTAGE 0F 4.0 VOLTS 2. BOTH LEADS ATTACHED TO HEAT SINK 20x20x1t(mm) COPPER PLATE AT LEAD LENGTH 5mm SR302-LFR THRU SR310-LFR Page: 1 RATING AND CHARACTERISTIC CURVES SR302-LF THRU SR310-LF FIG. 1 - FORWARD CURRENT DERATING CURVE 4.0 FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT RESISTIVE OR INDUCTIVE LOAD 0.375” (9.5mm) LEAD LENGTH 80 TJ=TJ MAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 70 SR305-LF~SR310-LF 60 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT, AMPERES 3.0 2.0 SR302-LF~SR304-LF 1.0 50 40 30 20 10 0 1 10 NUMBER OF CYCLES AT 60HZ 0 0 10 50 100 120 100 150 CASE TEMPERATURE, ℃ FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT, AMPERES 100 FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 10 1.0 TJ=75℃ 10 SR307-LF~SR310-LF 1.0 SR305-LF~SR306-LF TJ=25℃ PULSE WIDTH=300us 2% DUTY CYCLE 0.1 0 0.1 .2 .4 .6 .8 1.0 1.2 1.4 INSTANTANEOUS FORWARD VOLTAGE VOLTS TJ=25℃ FIG. 5 - TYPICAL JUNCTION CAPACITANCE 1000 SR302-LF~SR304-LF .01 600 400 .001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) CAPACITANCE, PF INSTANTANEOUS REVERSE CURRENT, MILLIAMPERES TJ=100℃ SR302-LF~SR304-LF 200 SR305-LF~SR310-LF 100 60 40 TJ=25℃ 20 10 0.1 0.4 1.0 4 10 40 REVERSE VOLTAGE, VOLTS SR302-LFR THRU SR310-LFR Page: 2