US1A THRU US1K Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 Features • Glass Passivated Chip • • • • Maximum Ratings • • • 1 Amp Ultra Fast Rectifier 50 to 800 Volts Ultra Fast Switching For High Efficiency For Surface Mounted Applications Low Forward Voltage Drop And High Current Capability Low Reverse Leakage Current Operating Temperature: -50°C to +150°C Storage Temperature: -50°C to +150°C Maximum Thermal Resistance; 30 °C/W Junction To Lead Catalog Number US1A US1B US1C US1D US1G US1J US1K Device Marking US1A US1B US1C US1D US1G US1J US1K Maximum Recurrent Peak Reverse Voltage 50V 100V 150V 200V 400V 600V 800V Maximum RMS Voltage 35V 70V 105V 140V 280V 420V 560V DO-214AC (SMAJ) (LEAD FRAME) Maximum DC Blocking Voltage 50V 100V 150V 200V 400V 600V 800V J A E Maximum DC Reverse Current At Rated DC Blocking Voltage Maximum Reverse Recovery Time US1A-1G US1J-1K Typical Junction Capacitance US1A-1G US1J-1K IF(AV) 1.0A 30A 8.3ms, half sine VF 1.0V 1.4V 1.7V IFM = 1.0A; TJ = 25°C IR 10uA 100uA B G DIMENSIONS TL = 75°C IFSM C D F Electrical Characteristics @ 25°C Unless Otherwise Specified Average Forward Current Peak Forward Surge Current Maximum Instantaneous Forward Voltage US1A-1D US1G US1J-1K H DIM A B C D E F G H J INCHES MIN .079 .050 .002 --.030 .065 .189 .157 .090 MM MIN 2.00 1.27 .05 --.76 1.65 4.80 4.00 2.25 MAX .096 .064 .008 .02 .060 .091 .220 .181 .115 MAX 2.44 1.63 .20 .51 1.52 2.32 5.59 4.60 2.92 SUGGESTED SOLDER PAD LAYOUT TA = 25°C TA = 100°C 0.106” MAX 0.083” MIN Trr 50ns 100ns IF=0.5A, IR=1.0A, Irr=0.25A 0.050” MIN CJ 20pF 17pF Measured at 1.0MHz, VR=4.0V *Pulse test: Pulse width 300 sec, Duty cycle 1% www.cnelectr.com NOTE US1A thru US1K Figure 1 Typical Forward Characteristics 20 Figure 2 Forward Derating Curve 10 2.4 6 2.2 4 2.0 1.8 2 Amps 1.6 US1G US1A-1D US1J-1K 1 1.4 1.2 .6 Amps .4 1.0 .8 .6 .2 .4 TJ=25°C .1 Single Phase, Half Wave .2 60Hz Resistive or Inductive Load .06 0 .04 0 25 50 75 100 125 150 °C Average Forward Rectified Current - Amperesversus Lead Temperature - °C .02 .01 .8 1.0 1.2 1.4 1.6 1.8 Volts Instantaneous Forward Current - Amperesversus Instantaneous Forward Voltage - Volts Figure 3 Junction Capacitance 100 60 US1A-1G 40 20 pF TJ=25°C US1J-1K 10 6 4 2 1 .1 .2 .4 1 Volts 2 4 10 20 40 100 200 Junction Capacitance - pFversus Reverse Voltage - Volts www.cnelectr.com 400 1000 US1A thru US1K Figure 4 Peak Forward Surge Current 30 25 20 15 Amps 10 5 0 1 2 4 6 8 10 20 40 60 80 100 Cycles Peak Forward Surge Current - Amperesversus Number Of Cycles At 60Hz - Cycles Figure 5 Reverse Recovery Time Characteristic And Test Circuit Diagram 50Ω 10Ω trr +0.5A 0 Pulse Generator Note 2 25Vdc 1Ω Notes: 1. Rise Time = 7ns max. Input impedance = 1 megohm, 22pF 2. Rise Time = 10ns max. Source impedance = 50 ohms 3. Resistors are non-inductive Oscilloscope Note 1 -0.25 -1.0 1cm Set Time Base for 20/100ns/cm www.cnelectr.com