UF3A thru UF3M SURFACE MOUNT REVERSE VOLTAGE - 50 to 1000 Volts FORWARD CURRENT - 3.0 Amperes GLASS ULTRA FAST RECTIFIERS FEATURES SMC ● Low cost ● Diffused junction ● Ultra fast switching for high efficiency ● Low reverse leakage current .128(3.25) .108(2.75) ● Low forward voltage drop .245(6.22) .220(5.59) ● High current capability ● The plastic material carries UL recognition 94V-0 .280(7.11) .260(6.60) .012(.305) .006(.152) .103(2.62) .079(2.00) MECHANICAL DATA ●Case： Molded Plastic .060(1.52) .030(0.76) ●Polarity:Color band denotes cathode .008(.203) .002(.051) .320(8.13) .305(7.75) ●Weight: 0.007 ounces,0.21 grams ●Mounting position: Any Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25℃ ambient temperature unless otherwise specified. Single phase, half wave ,60Hz, resistive or inductive load. For capacitive load, derate current by 20% CHARACTERISTICS SYMBOL UF3A UF3B UF3D UF3G UF3J UF3K UF3M 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 VDC 50 100 200 400 600 800 1000 V Maximum DC Blocking Voltage Maximum Average Forward @TA =55 ℃ Rectified Current I(AV) 3.0 A IFSM 150 A Peak Forward Surage Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load(JEDEC Method) Peak Forward Voltage at 3.0A DC(Note1) Maximum DC Reverse Current @TJ=25℃ at Rated DC Blocking Voltage @TJ=100℃ Maximum Reverse Recovery Time(Note 1) Typical Junction Capacitance (Note2) Typical Thermal Resistance (Note3) Operating Temperature Range Storage Temperature Range 1.3 1.0 VF 1.7 5.0 IR V uA 100 TRR 50 75 nS CJ 50 30 pF RθJA 20 ℃/W TJ -50 to +150 ℃ TSTG -50 to +150 ℃ NOTES: 1.Measured with IF=0.5A，IR=1A ，IRR=0.25A 2.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC 3.Thermal resistance junction to ambient ~ 89 ~ RATING AND CHARACTERTIC CURVES UF3A thru UF3M FIG. 1 – FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT (AMPERES） AVERAGE FORWARD CURRENT AMPERES 3.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 2.5 2.0 1.5 1.0 0.5 0 25 50 75 100 125 150 FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT 200 150 100 50 SINGLE HALF-SINE-WAVE (JEDEC METHOD) 0 175 1 2 10 20 50 100 NUMBER OF CYCLES AT 60Hz AMBIENT TEMPERATURE (℃) FIG.4-TYPICAL FORWARD CHARACTERISTICS FIG.3 – TYPICAL JUNCTION CAPACITANCE 100 INSTANTANEOUS FORWARD CURRENT (AMPERES) 1000 100 CAPACITANCE (pF) 5 UF3A -UF3G UF3J -UF3M 10 Tj = 25°C f = 1 MHz UF 10 3G UF3A -UF3D UF3J -UF3M 1.0 TJ = 25°C PULSE WIDTH 300us 0.1 1 0.1 1.0 10 0 100 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) REVERSE VOLTAGE (VOLTS) ~ 90 ~ 1.8