UF2A thru UF2K SURFACE MOUNT ULTRAFAST RECTIFIER CHENG- YI ELECTRONIC VOLTAGE RANGE -50 TO 800 VOLTS CURRENT -2.0 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 UF2A UF2B UF2D UF2G UF2J UF2K 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=90 C I(AV) 2.0 A Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) TA=55 C IFSM 50.0 A Maximum Instantaneous Forward Voltage at 2.0A 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 200 50.0 nS 100.0 pF 28 20.0 -50 to +150 0 C/W 0 C UF2A thru UF2K SURFACE MOUNT ULTRAFAST RECTIFIER CHENG- YI ELECTRONIC RATING AND CHARACTERISTICS CURVES UF2A THRU UF2K Fig. 2 - TYPICAL FORWARD CHARACTERISTICS PER ELEMENT INSTANTANEOUS FORWARD CURRENT, AMPERES 10 AVERAGE FORWARD RECTIFIED CURRENT, AMPERES Fig. 1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 2.4 2.0 SINGLE PHASE HALF W AVE 60HZ RESISTIVE OR INDUCTIVE LOAD P.C.B MOUNTED ON 0.3x0.3"(8.0x8.0mm) COPPER PAD AREAS 1.6 1.2 0.8 0.4 20 40 60 80 100 120 UF2G TJ=25 C Pulse Width=300 s 2% Duly Cycle 140 160 UF2K 1.0 0.1 0.01 0.4 0 0 UF2A 0 0.4 0.8 1.0 1.2 1.4 INSTANTANEOUS FORWARD VOLTAGE, VOLTS LEAD TEMPERATURE, oC Fig. 4 - TYPICAL REVERSE CHARACTERISTICS 10 60 INSTANTANEOUS REVERSE CURRENT MICROAMPERES PEAK FORWARD SURGE CURRENT, AMPERES Fig. 3 - MAXIMUM FORWARD SURGE CURRENT 50 8.3ms SINGLE HALF SINCE-WAVE JEDEC METHOD 40 30 20 1.0 TJ=250C 0.1 10 0.01 1 2 5 10 20 50 100 20 FIG. 5 - TYPICAL JUNCTION CAPACITANCE PER BRIDGE ELEMENT CAPACITANCE, pF (+) 25 Vdc (approx) ( ) TJ=250C f=1.0MHz Vsig=50mVp-p 10 5 1.0 10 REVERSE VOLTAGE, VOLTS 100 60 80 100 120 140 Fig. 6 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Noninductive 100 40 PERCENT OF RATED PEAK REVERSE VOLTAGE NUMBER OF CYCLES AT 60Hz trr 10 Noninductive ( ) D.U.T. 1 NONInductive +0.5A PULSE GENERATOR NOTE 2 OSCILLOSCOPE NOTE 1 NOTES:1. Rise Time=7ns max. Input Impedance=1 megohm. 22pF 2. Rise Time=10ns max. Source Impedance=50 Ohms. 0 -0.25 (+) -1.0 SET TIME BASE FOR 10ns/cm 1cm