US1A

Reverse Voltage - 50 to 1000 Volts SURFACE MOUNT ULTRA FAST RECTIFIER US1A THRU US1M Forward Current - 1.0 Ampere FEATURES ● ● ● ● ● ● ● The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 For surface mounted applications Ultra fast switching for high efficiency SMA(DO-214AC) Low reverse leakage Built-in strain relief,ideal for automated placement High forward surge current capability High temperature soldering guaranteed: 250 C/10 seconds at terminals .062(1.60) .055(1.40) .114(2.90) .098(2.50) .181(4.60) .157(4.00) .012(.305) .006(.152) .103(2.62) .079(2.00) .060(1.52) .030(0.76) .008(.203) .002(.051) MECHANICAL DATA Case: JEDEC DO-214AC molded plastic body Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.003 ounce, 0.093 grams 0.004 ounce, 0.111 grams SMA(H) .208(5.28) .188(4.80) D imensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%. Characteristic Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at TL=90 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 1.0A Maximum DC reverse current TA=25 C at rated DC blocking voltage TA=100 C Maximum reverse recovery time (NOTE 1) Typical junction capacitance (NOTE 2) Typical thermal resistance (NOTE 3) Operating junction and storage temperature range SYMBOLS US1A US1B US1D US1G US1J US1K US1M UNITS V V V A A VRRM VRMS VDC I(AV) IFSM VF IR trr CJ R JA TJ,TSTG 50 35 50 100 70 100 200 140 200 400 280 400 1.0 30.0 600 420 600 800 560 800 1000 700 1000 1.0 1.3 5.0 100.0 50 15.0 50.0 -65 to +150 1.7 V µA 75 ns pF C/W C Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A 2.Measured at 1MHz and applied reverse voltage of 4.0V D.C. 3.P.C.B. mounted with 0.2x0.2”(5.0x5.0mm) copper pad areas US1A THRU US1M RATINGS AND CHARACTERISTIC CURVES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES FIG. 1- FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT, AMPERES 1.0 FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 30 0.8 25 0.6 20 0.4 Single Phase Half Wave 60Hz Resistive or inductive Load 15 0.2 10 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 0 0 25 50 75 100 125 150 175 5.0 1 10 100 AMBIENT TEMPERATURE, C NUMBER OF CYCLES AT 60 Hz FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 TJ=25 C PULSE WIDTH=300 ms 1%DUTY CYCLE FIG. 4-TYPICAL REVERSE CHARACTERISTICS 1,000 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT,AMPERES 10 100 TJ=100 C 10 1 0.1 US1A-US1D US1G US1J-US1M 0.2 0.6 1.0 1.4 1.8 2.0 1 TJ=25 C 0.1 0.01 0.01 INSTANTANEOUS FORWARD VOLEAGE, VOLTS 0 20 40 60 80 100 PERCENT OF PEAK REVERSE VOLTAGE,% FIG. 5-TYPICAL JUNCTION CAPACITANCE TRANSIENT THERMAL IMPEDANCE, C/W 200 100 TJ=25 C 100 FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE JUNCTION CAPACITANCE, pF 10 10 1 0.1 1 0.01 0.1 1 10 100 0.1 1.0 10 100 REVERSE VOLTAGE,VOLTS t,PULSE DURATION,sec.