TH09/2479 TH97/2478 www.eicsemi.com US1A - US1M IATF 0113686 SGS TH07/1033 SURFACE MOUNT ULTRA FAST RECTIFIERS PRV : 50 ~ 1000 Volts Io : 1.0 Ampere SMA 2.3 2.1 1.5 1.1 High surge current capability High reliability Low reverse current Low forward voltage drop Fast switching for high efficiency Pb / RoHS Free 4.6 4.2 * * * * * * 5.65 5.35 FEATURES : 0.2 0.27 0.13 2.5 2.1 2.9 2.5 MECHANICAL DATA : * Case : SMA Molded plastic * Epoxy : UL94V-O rate flame retardant * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.060 gram (Approximately) 2.1 1.7 Dimensions in millimeters MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 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%. RATING SYMBOL US1A US1B US1D US1G US1J US1K US1M UNIT Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V VR 50 100 200 400 600 800 1000 Maximum Continuous Reverse Voltage Maximum Average Forward Current Maximum non-repetitive peak forward current 8.3ms Single half sine wave, Maximum Instantaneous Forward Voltage at I F = 1.0 A Maximum DC Reverse Current Ta = 25 C at Rated DC Blocking Voltage Ta = 100 C Maximum Reverse Recovery Time Typical Junction Capacitance (1) (2) V IF(AV) 1.0 A IFSM 30 A VF 1.1 1.7 IR 10 IR(H) 50 V mA mA Trr 50 75 ns CJ 15 10 pF Junction Temperature Range TJ - 65 to + 175 °C Storage Temperature Range TSTG - 65 to + 175 °C Notes : (1) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A. (2) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC Page 1 of 2 Rev. 07 : February 25, 2013 TH09/2479 TH97/2478 www.eicsemi.com IATF 0113686 SGS TH07/1033 RATING AND CHARACTERISTIC CURVES ( US1A - US1M ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 W Trr 10 W + 0.5 A 0 D.U.T. + PULSE GENERATOR ( NOTE 2 ) 50 Vdc (approx) 1W - 0.25 A - 1.0 A OSCILLOSCOPE ( NOTE 1 ) SET TIME BASE FOR 25-35 ns/cm 1 cm NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 30 1.0 PEAK FORWARD SURGE CURRENT, (A) AVERAGE FORWARD OUTPUT CURRENT, (A) FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 0.8 0.6 0.4 0.2 0 Ta = 50 °C 24 18 12 6 8.3 ms SINGLE HALF SINE WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 25 50 75 100 125 150 175 1 2 LEAD TEMPERATURE, ( °C) FIG.4 - TYPICAL FORWARD CHARACTERISTICS 10 20 40 60 100 10 10 REVERSE CURRENT, (µA) FORWARD CURRENT, (A) 6 FIG.5 - TYPICAL REVERSE CHARACTERISTICS 100 US1A - US1G US1J - US1M 1.0 0.1 TJ = 100 °C 1.0 0.1 TJ = 25 °C 0.01 0 TJ = 25 °C 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) Pulse Width = 300 ms 1% Duty Cycle 0.01 4 NUMBER OF CYCLES AT 60Hz 3.3 FORWARD VOLTAGE, (V) Page 2 of 2 Rev. 07 : February 25, 2013