US1A THRU US1M 1.0 Amps. Surface Mount Ultrafast Rectifiers Voltage Range 50 to 1000 Volts Current 1.0 Amperes SMA/DO-214AC Features Glass passivated junction chip For surface mounted application Low profile package Built-in strain relief Ideal for automated placement Easy pick and place Ultrafast recovery time for high efficiency Low forward voltage, low power loss High temperature soldering guaranteed: O 260 C/10 seconds on terminals Plastic material used carries Underwriters Laboratory Classification 94V-O .062(1.58) .050(1.27) .111(2.83) .090(2.29) .187(4.75) .160(4.06) .091(2.30) .078(1.99) .012(.31) .006(.15) Mechanical Data Cases: Molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Indicated by cathode band Weight: 0.064 gram .008(.20) .004(.10) .056(1.41) .035(0.90) .210(5.33) .195(4.95) Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @ TL=110℃ Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 1.0A Maximum DC Reverse Current @ TA =25℃ at Rated DC Blocking Voltage @ TA=100℃ Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance ( Note 2 ) Maximum Thermal Resistance (Note 3) Operating Temperature Range Symbol US1A US1B US1D US1G US1J US1K US1M Units VRRM VRMS VDC 50 35 50 100 70 100 200 140 200 400 280 400 600 420 00 800 560 800 1000 700 1000 V V V I(AV) 1.0 A IFSM 30 A VF 1.0 1.7 V 75 10 uA uA nS pF 10 50 IR Trr Cj RθJA RθJL TJ TSTG 50 15 Storage Temperature Range Notes: 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1 MHz and Applied VR=4.0 Volts 3. P.C.B. Mounted on 0.2 x 0.2” (5.0 x 5.0mm) Copper Pad Area. - 368 - 75 27 -55 to +150 -55 to + 150 ℃/W ℃ ℃ RATINGS AND CHARACTERISTIC CURVES (US1A THRU US1M) FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 50 PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 1.2 1.0 RESISTIVE OR INDUCTIVE LOAD 0.5 P.C.B. MOUNTED ON 0.2 X 0.2" (5.0X5.0mm) COPPER PAD AREAS TL=90 0C 8.3ms Single Half Sine Wave JEDEC Method 40 30 20 10 0 0 0 20 40 60 80 100 120 140 160 1 180 10 FIG.4- TYPICAL REVERSE CHARACTERISTICS FIG.3- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 100 10 INSTANTANEOUS FORWARD CURRENT. (A) 100 NUMBER OF CYCLES AT 60Hz o LEAD TEMPERATURE. ( C) INSTANTANEOUS REVERSE CURRENT. (mA) US1A - US1G 1 US1J - US1M 0.1 0.01 Pulse Width=300 s 1% Duty Cycle 0.001 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 10 Tj=100 0C 1 Tj=25 0C 0.1 0.01 0 FORWARD VOLTAGE. (V) TRANSIENT THERMAL IMPEDANCE, ( OC/W) JUNCTION CAPACITANCE.(pF) 100 Tj=25 0C f=1.0MHz Vsig=50mVp-p US1J - US1M 10 1 0.1 1 10 40 60 80 100 FIG.6- TYPICAL TRANSIENT THERMAL IMPEDANCE FIG.5- TYPICAL JUNCTION CAPACITANCE US1A - US1G 20 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 100 100 10 1 0.1 0.01 0.1 1 T, PULSE DURATION, sec. REVERSE VOLTAGE. (V) - 369 - 10 100