UF1A thru UF1K SURFACE MOUNT ULTRAFAST RECTIFIER CHENG- YI ELECTRONIC VOLTAGE RANGE -50 TO 800 VOLTS CURRENT -1.0 Amperes SMB/DO-214AA FEATURES For surface mounted applications Low profile package Built-in strain relief Easy pick and place Ultrafast recovery times for high efficiency Plastic package has Underwriters Laboratory Flammability Classification 94V-O Glass passivated junction High temperature soldering 260oC/10 seconds at terminals .075(1.91) .083(2.11) .130(3.30) .155(3.94) .160(4.06) .185(4.70) .006(.152) .012(.305) .083(2.13) .096(2.44) MECHANICAL DATA .002(.051) .008(.203) .030(0.76) .050(1.27) Case: JEDEC DO-214AA molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Indicated by cathode band Standard Packaging: 12mm tape (EIA-481) Weight: 0.003 ounces, 0.093 gram .200(5.08) .220(5.59) Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 250C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, reistive or inductive load. For capacitive load, derate current by 20%. SYMBOLS UF1A UF1B UF1D UF1G UF1J UF1K UNITS Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 V Maximum RMS Voltage VRMS 35 70 140 280 420 560 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 V Maximum Average Forward Rectified Current, at TL=100 C I(AV) 1.0 A Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) TA=55 C IFSM 30.0 A Maximum Instantaneous Forward Voltage at 1.0A VF Maximum DC Reverse Current at Rated DC Blocking Voltage IR 0 0 @ TA=250C @ TA=1000C Maximum Reverse Recovery Time (Note 1) TJ=25 C TRR Typical Junction Capacitance (Note 2) CJ 0 Maximum Thermal Resistance (Note 3) R Operating and Storage Temperature Range TJ , TSTG JL Notes : 1. Reverse Recovery Test Conditions: IF=0.5A, I R=1.0A, I RR=0.25A 2. Measured at 1.0 MHZ and Applied Vr=4.0 volts. 3. 8.0mm2 (.013mm thick) land areas. 1.0 1.4 V 1.7 10.0 A 100 50.0 nS 100 pF 17.0 30.0 -50 to +150 0 C/W 0 C UF1A thru UF1K SURFACE MOUNT ULTRAFAST RECTIFIER CHENG- YI ELECTRONIC RATING AND CHARACTERISTICS CURVES UF1A THRU UF1K Fig. 1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Noninductive 10 Noninductive trr +0.5A (+) 25 Vdc (approx) ( ) ( ) D.U.T. PULSE GENERATOR NOTE 2 1 NONInductive 0 -0.25 (+) OSCILLOSCOPE NOTE 1 NOTES:1. Rise Time=7ns max. Input Impedance=1 megohm. 22pF 2. Rise Time=10ns max. Source Impedance=50 Ohms. -1.0 SET TIME BASE FOR 10ns/cm 1cm Fig. 3 - TYPICAL JUNCTION CAPACITANCE Fig. 2 - FORWARD CHARACTERISTICS 100 JUNCTION CAPACITANCE, pF 10 US1A US1G US1K TYPICAL IFM, Apk 1.0 0 TJ=25 C 0.1 0 TJ=25 C f=1.0MHz Vsig=50mVp-p 10 1 0.1 1 10 100 REVERSE VOLTAGE, VOLTS .01 0 .2 .4 .6 .8 1.0 1.2 1.4 Fig. 5 - PEAK FORWARD SURGE CURRENT 30 25 2.0 SINGLE PHASE HALF W AVE 60HZ RESISTIVE OR INDUCTIVE LOAD P.C.B MOUNTED ON 0.315x0.315"(8.0x8.0mm) COPPER PAD AREAS 1.0 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT, AMPERES Fig. 4 - FORWARD CURRENT DERATING CURVE 8.3ms SINGLE HALF SINCE-WAVE JEDEC METHOD 20 15 10 5 25 50 75 100 125 150 175 LEAD TEMPERATURE, oC 1 2 5 10 20 NUMBER OF CYCLES AT 60Hz 50 100