US2A Thru US2M Surface Mount Ultra Fast Rectifiers REVERSE VOLTAGE 50 TO 1000 VOLTS FORWARD CURRENT 2.0 AMPERE Features: * For Surface Mount Application * Glass Passivated Chip * Low Reverse Leakage Current * Low Forward Voltage Drop And High Current Capability * Ultra Fast Switching For High Efficiency * Plastic Meterial Has UL Flammability Classification 94V-0 Mechanical Data SMB(DO-214AA) * Case : Molded Plastic * Terminals: Solder Plated Terminal-Solderable per MIL-STD-202, Method 208 * Polarity :Indicated by cathode band * Weight : 0.003 Ounce ,0.093 grams SMB Outline Dimension Unit:mm SMB Dim A B C D E G H J WEITRON http://www.weitron.com.tw Min Max 3.30 3.94 4.06 1.96 0.15 4.80 2.21 0.31 5.00 0.10 5.59 0.20 0.76 1.52 2.00 2.62 US2A Thru US2M Maximum Ratings and Electrical Characteristics Rating 25 C Ambient Temperature Unless Otherwise Specified. Single Phase Half Wave, 60Hz , Resistive or Inductive Load. For Capacitive Load, Derate Current by 20%. Characteristics Symbol US2A US2B US2D US2G US2J US2K US2M Unit Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 Maximum Average Forward Rectified Current @T T =75 C V IF(AV) 2.0 A IFSM 50 A Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) Maximum Instantaneous At 2.0A DC Maximum DC Reverse Current @T A =25 C At Rated DC Blocking Voltage @T A =100 C VF 1.0 1.30 1.70 5.0 IR uA 350 50 V ns Maximun Reverse Recocery Time(Note1) Trr Typical Junction Capacitance (Note 2) CJ 25 PF R JT 25 C/W TJ -55 to+150 C TSTG -55 to+150 C Typical Thermal Resistance (Note 3) Operating Temperature Range Storage Temperature Range NOTES:1.Reverse Recovery Test Conditions: I F=0.5A, I R=1.0A, I RR =0.25A. 2.Measured at 1.0MHz applied reverse voltage of 4.0V DC. 3.Unit Mounted on PC board with 5.0 mm2(0.03mm thick) land areas. WEITRON http://www.weitron.com.tw 100 US2A thru US2M 2.0 1.6 1.2 0.8 0.4 0 25 50 75 100 T T , TERMINAL 125 150 175 10 I F , INST ANT ANEOUS FOR WARD CURRENT (A) I O , AV ERAGE FOR WARD CURRENT (A) 0.75 US2A - US2D US2J - US2M 1.0 0.1 0.01 0 0.4 0.8 1.2 1.6 2.0 V F , INSTANTANEOUS FORWARD V OLTAGE (V) TEMPERA TURE (°C) FIG.2 Tpical Forward Characteristics I R ,INSTANTANEOUS REVERSE CURRENT(uA) I FSM , PEAK FOR WARD SURGE CURRENT (A) FIG.1 Forward Current Deration Curve 60 Single Half-Sine-W ave (JEDEC Method) 50 40 30 20 10 1000 100 T j = 100°C 10 1.0 T j = 25°C 0.1 0.01 0 1 10 OF C YCLES NUMBER US2G 0 100 20 40 60 80 100 120 140 PERCENT OF R AT ED PEAK REVERSE V OL TAGE (%) AT 60Hz FIG.3 Forward Surge Current Derating Curve FIG.4 Tpical Reverse Characteristics trr +0.5A 0A (+) -0.25A (-) Device Under Test (-) Pulse Generator (Note 2) 50V DC Approx Oscilloscope (Note 1) -1.0A Set time base for 50/100 ns/cm FIG.5 Rverse Recover Time Characteristics and Test Circuit WEITRON http://www.weitron.com.tw (+)