US3A-US3M 3.0A Surface Mount Ultra-Fast Rectifier Features · Plastic package has underwrites laboratory flammability Classification 94V-0 · Glass passivated chip junction · Built-in strain relief, · Fast switching speed for high efficiency SMC B · High temperature soldering guaranteed: A 250 C/10 seconds C Mechanical Data D J · Case: JEDED DO-214AB transfer molded plastic · Terminals: Solder plated, solderable per H G E Dim Min Max A 5.59 6.22 B 6.60 7.11 C 2.75 3.18 D 0.15 0.31 E 7.75 8.13 G 0.10 0.20 H 0.76 1.52 J 2.00 2.62 All Dimensions in mm MIL-STD-750, method 2026 · Polarity: Color band denotes cathode end · Weight: 0.007 ounce, 0.25 gram Maximum Ratings @ TA = 25°C unless otherwise specified • • Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load derate current by 20%. SYMBOLS US3A Maximum Repetitive Peak Reverse Voltage VRRM 50 Maximum RMS Voltage VRMS 35 Maximum DC Blocking Voltage VDC 50 Maximum Average Forward Rectified Current At TL=105 (NOTE 1) Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum Instantaneous Forward Voltage at 3.0A Maximum DC Reverse Current at rated DC Blocking Voltage at TA = 25 TA = 125 US3B 100 70 100 US3D 200 140 200 US3G 400 280 400 US3J 600 420 600 US3K 800 560 800 US3M 1000 700 1000 UNIT Volts Volts Volts I(AV) 3.0 Amps IFSM 100 Amps VF 1.0 1.3 10 200 IR 1.7 Volts A Maximum Reverse Recovery Time Test conditions IF =0.5A, IR =1.0A, IRR =0.25A trr 50 100 nS Typical Junction Capacitance (Measured at 1.0MHz and applied reverse voltage of 4.0V) CJ 80 50 pF Typical Thermal Resistance (Note 1) Operating Junction Temperature Storage Temperature Range RθJA RθJL TJ TSTG 55 17 (-55 to +150) (-55 to +150) Notes: 1. Thermal resistance from Junction to ambient and from junction to lead mounted on P.C.B. with 0.3×0.3″(8.0 × 8.0mm) copper pad areas. 1of2 /W FIG.1-TYPICAL FORWARD CURRENT FIG.2-MAXIMUM NON-REPETITIVE PEAK DERATING CURVE FORWARD SURGE CURRENT PEAK FORWARD SURGE 2.0 1.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375″(9.5mm) Lead Length 150 CURRENT, (A) AVERAGE FORWARD CURRENT, (A) 3.0 8.3ms Single Half Sine-Wave (JEDEC Method) Tj = Tjmax 100 50 1 Cycle 0 0 25 100 75 50 125 175 150 0 1 2 AMBIENT TEMPERATURE, (° C) 4 6 8 10 40 20 60 100 NUMBER OF CYCLES AT 60 Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, (μA) V 0V 80 0V -1 60 00 0V V 00 0 -4 30 5 0/ 1 00 / 20 10 (A) INSTANTANEOUS FORWARD CURRENT, 100 1.0 0.1 TJ=25° C Pulse Width=300us 1% Duty Cycle 100 10 TJ =100° C 1.0 TJ =25℃ 0.1 0 20 40 60 80 100 120 140 0.01 0.4 0.6 0.8 1.2 1.0 1.4 1.6 1.8 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) INSTANTANEOUS FORWARD VOLTAGE,(V) FIG.5-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,(pF) 1000 F1G.6-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC Trr 50Ω 10Ω NONINDUCTIVE NONINDUCTIVE US 100 (-) 3A U S1 TJ =25° C f=1MHz Vsig=50mVp-p -US 3 J -U 3G 1.0 D.U.T. (+) 25 Vdc (approx.) (-) S 3M 1Ω NON INDUCTIVE PULSE GENERATIOR (NOTE 2) 0 -0.25A (+) OSCILLOSCOPE (NOTE 1) -1.0A 1cm 10 0.1 +0.5A 10 REVERSE VOLTAGE,(V) 100 NOTES : 1.Rise Time=7ns max. Input Impedance= 1 megohm. 22pF 2.Rise time=10ns max. Source Impedance= 50 ohms 2of2 SET TIME BASE FOR 50/100ns/cm