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| US1A thru US1K SURFACE MOUNT ULTRAFAST RECTIFIER CHENG- YI ELECTRONIC VOLTAGE RANGE -50 TO 800 VOLTS CURRENT -1.0 Amperes SMA/DO-214AC 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 .055(1.40) .062(1.60) .098(2.50) .114(2.90) .157(4.00) .181(4.60) .006(.152) .012(.305) .078(2.00) .096(2.44) .002(.051) .008(.203) .188(4.80) .208(5.28) 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 ounces, 0.064 gram .030(0.76) .060(1.52) 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 US1A 50 35 50 US1B 100 70 100 US1D 200 140 200 1.0 US1G 400 280 400 US1J 600 420 600 US1K 800 560 800 UNITS V V V A Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current, at TL=100 C 0 VRRM VRMS VDC I(AV) Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) TA=55 C 0 IFSM VF IR 0 30.0 A Maximum Instantaneous Forward Voltage at 1.0A Maximum DC Reverse Current at Rated DC Blocking Voltage @ TA=250C @ TA=1000C 1.0 10.0 100 50.0 17.0 1.4 1.7 V A 100.0 Maximum Reverse Recovery Time (Note 1) TJ=25 C Typical Junction Capacitance (Note 2) Maximum Thermal Resistance (Note 3) Operating and Storage Temperature Range R TRR CJ JL TJ , TSTG nS pF 0 30.0 -50 to +150 C/W 0 C Notes : 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1.0 MHZ and Applied Vr=4.0 volts. 3. 8.0mm2 (.013mm thick) land areas. US1A thru US1K SURFACE MOUNT ULTRAFAST RECTIFIER CHENG- YI ELECTRONIC RATING AND CHARACTERISTICS CURVES US1A THRU US1K Fig. 1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Noninductive 10 Noninductive trr +0.5A () PULSE GENERATOR NOTE 2 (+) 25 Vdc (approx) () D.U.T. 0 -0.25 1 NONInductive 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. 2 - FORWARD CHARACTERISTICS 10 US1A Fig. 3 - FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, AMPERES 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 TYPICAL 1.0 US1G US1K IFM. Apk 1.0 0.1 TJ=250C .01 0 .2 .4 .6 .8 1.0 1.2 1.4 25 50 75 100 125 150 175 o LEAD TEMPERATURE, C Fig. 4 - TYPICAL JUNCTION CAPACITANCE 100 JUNCTION CAPACITANCE, pF Fig. 5 - PEAK FORWARD SURGE CURRENT 0 TJ=25C f=1.0MHz Vsig=50mVp-p 30 25 PEAK FORWARD SURGE CURRENT, AMPERES 10 20 15 10 5 8.3ms SINGLE HALF SINCE-WAVE JEDEC METHOD 1 0.1 1 10 100 REVERSE VOLTAGE, VOLTS 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz |
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