US1MF

US1AF THRU US1MF 1.0 AMP SURFACE MOUNT FAST RECOVERY RECTIFIERS VOLTAGE RANGE 50 to 1000 Volts CURRENT 1.0 Ampere FEATURES * Ideal for surface mount applications * Easy pick and place * Built-in strain relief * Fast switching speed SMAF .146(3.7) .130(3.3) .063(1.6) .051(1.3) MECHANICAL DATA .193(4.9) .173(4.4) * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Metallurgically bonded construction * Polarity: Color band denotes cathode end * Mounting position: Any .008(0.20) .005(0.12) .047(1.20) .035(0.90) .106(2.7) .094(2.4) .047(1.2) .031(0.8) Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER US1AF US1BF US1DF US1GF US1JF US1KF US1MF UNITS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 50 35 50 100 70 100 200 140 200 400 280 400 .375"(9.5mm) Lead Length at Ta=55 C Peak Forward Surge Current, 8.3 ms single half sine-wave Maximum DC Reverse Current 30 1.3 1.0 Ta=25 C at Rated DC Blocking Voltage Ta=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ, TSTG 800 560 800 1.7 5.0 100 75 50 -50 15 +150 1000 700 1000 V V V A 1.0 superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 1.0A 600 420 600 A V A A nS pF C NOTES: 1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C. REV 1.0 2015 JAN PAGE:1/2 RATING AND CHARACTERISTIC CURVES (US1AF THRU US1MF) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE FIG.1-TYPICAL FORWARD CHARACTERISTICS AVERAGE FORWARD CURRENT,(A) AF -U US S1DF 1J 1G FF US 1M F 1.0 US 1 .1 US 1.2 1.0 0.8 0.6 Single Phase Half Wave 60Hz 0.4 Resistive Or Inductive Load 0.375"(9.5mm) Lead Length 0.2 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( C) Tj=25 C Pulse Width 300us 1% Duty Cycle .01 .6 .8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE,(V) FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 50W NONINDUCTIVE 10W NONINDUCTIVE ( ) (+) D.U.T. 25Vdc (approx.) PEAK FORWARD SURGE CURRENT,(A) .001 .4 FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PULSE GENERATOR (NOTE 2) ( ) 30 24 18 Sine Wave JEDEC method 6 1 5 (+) 1W NONINDUCTIVE 8.3ms Single Half Tj=25 C 12 0 50 10 100 NUMBER OF CYCLES AT 60Hz OSCILLISCOPE (NOTE 1) NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms. FIG.5-TYPICAL JUNCTION CAPACITANCE 70 trr JUNCTION CAPACITANCE,(pF) INSTANTANEOUS FORWARD CURRENT,(A) 10 | | | | | | | | +0.5A 0 -0.25A -1.0A 60 50 40 US1A 30 F-US 1G US1JF F 20 -US1 MF 10 1cm SET TIME BASE FOR 50 / 10ns / cm 0 .01 .05 .1 .5 1 5 10 50 100 REVERSE VOLTAGE,(V) REV 1.0 2015 JAN PAGE:2/2