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 20A DUAL SCHOTTKY BARRIER RECTIFIERS SRF20-03CT THRU SRF20-10CT CASE : ITO-220AB( SRF20-XX) , FULLY INSULATED PACKAGE B O J C K B C D E F G H I J K L M O D 1 2 3 F H E M I PIN 1 G PIN 3 PIN 2 CASE MILLIMETERS MIN MAX 10.27 9.72 6.30 6.90 14.50 15.50 13.00 13.80 4.1 2.41 2.67 1.52 0.9 4.8 3.1 2.5 2.9 0.8 Ø 3.4 L 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 MECHANICAL DATA z CASE: TRANSFER MOLDED z LEADS: SOLDERABLE PER MIL-STD-202,METHOD 208 z POLARITY: AS MARKED z WEIGHT 2.05 GRAMS 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 SYMBOL SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 UNITS -03CT -035CT -04CT -045CT -05CT -06CT -08CT -09CT -10CT MAXIMUM RECURRENT PEAK REVERSE VOLTAGE MAXIMUM RMS VOLTAGE MAXIMUM DC BLOCKING VOLTAGE MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT SEE FIG.1 PER LEG PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF SINE-WAVE SUPERIMPOSED ON RATED LOAD PER LEG VRRM VRMS VDC 30 21 30 35 24 35 40 28 40 IFSM 150 A STORAGE TEMPERATURE RANGE TSTG - 55 TO + 150 ℃ OPERATING TEMPERATURE RANGE TOP - 55 TO + 125 ℃ IO 45 31 45 50 35 50 20 10 60 42 60 80 56 80 90 63 90 100 70 100 V V V A ELECTRICAL CHARACTERISTICS (AT TA =25°C UNLESS OTHERWISE NOTED) CHARACTERISTICS SYMBOL SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 UNITS -03CT -035CT -04CT -045CT -05CT -06CT -08CT -09CT -10CT MAXIMUM FORWARD VOLTAGE AT 10A PER LEG VF 0.60 0.80 0.85 V MAXIMUM REVERSE CURRENT AT 25℃PER LEG (NOTE 1) IR 5.0 mA MAXIMUM REVERSE CURRENT AT 100℃PER LEG (NOTE 1) IR 50.0 mA THERMAL CHARACTERISTICS (T C =25℃UNLESS OTHERWISE NOTED ) PARAMETER SYMBOL SRF20 UNITS TYPICAL THERMAL RESISTANCE JUNCTION TO CASE PER LEG Rθjc 4.0 ℃/W NOTES︰ 1. PULSE TEST: 300µS PULSE WIDTH, 1% DUTY CYCLE SRF20-03CT THRU SRF20-10C Page: 1 RATINGS AND CHARACTERISTIC CURVES SRF20-03CT THRU SRF20-10CT FIG. 2 - PEAK FORWARD SURGE CURRENT 20 16 12 8.0 4.0 0 0 25 50 75 100 125 150 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD RECTIFIED CURRENT AMPERES FIG. 1 - FORWARD DERATING CURVE 300 250 200 150 100 50 0 1 CASE TEMPERATURE (℃) 10 100 NUMBER OF CYCLES AT 60HZ FIG. 3 - TYPICAL REVERSE CHARACTERISTICS FIG. 4 - TYPICAL FORWARD CHARACTERISTIC PER LEG 10 INSTANTANEOUS FORWARD CURRENT AMPERES INSTANTANEOUS REVERSE CURRENT (mA) 100 TJ=125℃ 1.0 0.1 TJ=75℃ 10 SRF20-03CT~20-045CT SRF20-05CT~20-10CT 1 .01 0.1 TJ=25℃ SRF20-03CT~20-045CT .001 SRF20-05CT~20-10CT 0 20 40 60 80 100 120 0 0 .2 0 .6 1 .0 1 .4 1 .8 2 .0 FORWARD VOLTAGE (VOLTS) 140 PERCENT OF RATED VOLTAGE PEAK REVERSE VOLTAGE SRF20-03CT THRU SRF20-10C Page: 2