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 RJA 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 = 25C f = 1 MHz 1 1 4 10 100 UF1AA -UF1DA UF1GA 1.0 UF1JA -UF1MA 0.1 T J = 25C 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