US1A THRU US1K SURFACE MOUNT ULTRAFAST RECTIFIER VOLTAGE - 50 to 800 Volts CURRENT - 1.0 Ampere FEATURES l l l l l l l l SMA/DO-214AC 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: 260 ¢J /10 seconds at terminals MECHANICAL DATA Case: JEDEC DO-214AC molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Indicated by cathode band Standard packaging: 12mm tape (EIA-481) Weight: 0.002 ounce, 0.064 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ¢J ambient temperature unless otherwise specified. Resistive or inductive load. For capacitive load, derate current by 20%. Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current, at TL=100 ¢J Peak Forward Surge Current 8.3ms single half sinewave superimposed on rated load(JEDEC method) TA=55 ¢J Maximum Instantaneous Forward Voltage at 1.0A Maximum DC Reverse Current TA=25 ¢J At Rated DC Blocking Voltage TA=100 ¢J Maximum Reverse Recovery Time (Note 1) TJ=25 ¢J Typical Junction capacitance (Note 2) Maximum Thermal Resistance (Note 3) Operating and Storage Temperature Range SYMBOLS US1A US1B US1D US1G US1J US1K VRRM VRMS VDC I(AV) 50 35 50 100 70 100 200 140 200 400 280 400 600 420 600 800 560 800 IFSM VF IR TRR CJ R £KJL TJ,TSTG NOTES: 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, Irr=0.25A 2. Measured at 1 MHz and Applied reverse voltage of 4.0 volts 3. 8.0mm2 (.013mm thick) land areas UNITS Volts Volts Volts 1.0 Amps 30.0 Amps 1.0 1.4 1.7 Volts £g A 100.0 nS PF ¢J /W ¢J 10.0 100 50.0 17 30 -50 to +150 RATING AND CHARACTERISTIC CURVES US1A THRU US1K trr +0.5A 0 -0.25 -1.0 NOTE:1.Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF 2.Rise Time = 10ns max. 1cm SET TIME BASE FOR 50 ns/cm Source Impedance = 50 Ohms Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 10 AVERAGE FORWARD CURRENT, AMPERES TJ = 25 ¢J TYPICAL US1A IFM, Apk 1.0 US1G 0.1 US1K 2.0 1.0 .01 0 .2 .4 .6 SINGLE PHASE HALF WAVE RESISTIVE OR INDUCTIVE P.C.B MOUNTED ON 0.315×0.315"(8.0×8.0mm) PAD AREAS 25 .8 1.0 1.2 50 75 100 125 150 175 1.4 LEAD TEMPERATURE, ¢J JUNCTION CAPACITANCE, pF 100 TJ = 25 ¢J f = 1.0MHz Vsig = 50m Vp-p 10 1 0.1 1 10 100 REVERSE VOLTAGE, VOLTS Fig. 4-TYPICAL JUNCTION CAPACITANCE Fig. 3-FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT, AMPERES Fig. 2-FORWARD CHARACTERISTICS 30 25 8.3ms SINGLE HALF SINE WAVE JEDEC METHOD 20 15 10 5 1 2 5 10 20 50 NUMBER OF CYCLES AT 60Hz Fig. 5-PEAK FORWARD SURGE CURRENT 100