UF1AA thru UF1MA SURFACE MOUNT REVERSE VOLTAGE - 50 to 1000 Volts FORWARD CURRENT - 1.0 Amperes ULTRA FAST RECTIFIERS FEATURES A-SMA ● Low cost ● Diffused junction ●Ultra fast switching for high efficiency .051(1.30) .039(1.00) ● Low reverse leakage current .114(2.90) .098(2.50) ● Low forward voltage drop ● High current capability .181(4.60) .157(4.00) ● The plastic material carries UL recognition 94V-0 .012(.305) .006(.152) .103(2.62) .079(2.00) MECHANICAL DATA ●Case： Molded Plastic ●Polarity: lndicated by cathode band .060(1.52) .030(0.76) ●Weight: 0.002 ounces,0.053 grams ●Mounting position: Any .008(.203) .002(.051) .208(5.28) .188(4.80) 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 UF1AA UF1BA UF1DA UF1GA UF1JA UF1KA UF1MA UNIT Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS Voltage VRMS 35 70 140 280 420 580 700 V VDC 50 100 200 400 600 800 1000 V Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TA=55 ℃ I(AV) 1.0 A IFSM 30 A Peak Forward Surage Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load(JEDEC Method) Peak Forward Voltage at 1.0A DC 1.0 VF Maximum DC Reverse Current @TJ=25℃ at Rated DC Blocking Voltage @TJ=100℃ Maximum Reverse Recovery Time(Note 1) Tyical Junction Capacitance (Note2) Tyical Thermal Resistance (Note3) Operating Temperature Range Storage Temperature Range 1.3 1.7 5.0 IR V uA 100 TRR 50 75 nS CJ 20 10 pF RθJA 25 ℃/W TJ -50 to +125 ℃ 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 of ambient. ~ 77 ~ RATING AND CHARACTERTIC CURVES UF1AA thru UF1MA FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT FIG. 1 – FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT AMPERES 1.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.8 0.6 0.4 0.2 0 25 50 75 100 125 150 40 30 20 10 PULSE WIDTH 8.3ms SINGLE HALF-SINE-WAVE (JEDEC METHOD) 0 1 175 2 AMBIENT TEMPERATURE (℃) 10 20 50 100 NUMBER OF CYCLES AT 60Hz FIG.3 – TYPICAL JUNCTION CAPACITANCE FIG.4-TYPICAL FORWARD CHARACTERISTICS 100 10 INSTANTANEOUS FORWARD CURRENT, (A) CAPACITANCE, (pF) 5 UF1AA - UF1GA 10 UF1JA -UF1MA TJ = 25°C f = 1 MHz 1 1 4 10 100 UF1AA -UF1DA UF1GA 1.0 UF1JA -UF1MA 0.1 T J = 25°C PULSE WIDTH 300us 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE,VOLTS REVERSE VOLTAGE ,VOLTS ~ 78 ~ 1.8