US1B

Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 US1A THRU US1K 1 Amp Ultra Fast Rectifier 50 to 800
Volts
DO-214AC
(SMAJ) (LEAD FRAME) H
Features










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Passivated Chip





• • • • Ultra Fast Switching For High Efficiency For Surface Mounted Applications Low Forward Voltage Drop And High Current Capability Low Reverse Leakage Current • • • Maximum Ratings 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 Maximum Recurrent Peak Reverse Voltage 50V 100V 150V 200V 400V 600V 800V IF(AV) IFSM 1.0A 30A Maximum RMS Voltage 35V 70V 105V 140V 280V 420V 560V TL = 75°C 8.3ms, half sine Maximum DC Blocking Voltage 50V 100V 150V 200V 400V 600V 800V

J US1A US1B US1C US1D US1G US1J US1K A C E F G DIMENSIONS INCHES MIN .079 .050 .002 --.030 .065 .189 .157 .090 D B Electrical Characteristics @ 25°C Unless Otherwise Specified Average Forward Current Peak Forward Surge Current Maximum Instantaneous Forward Voltage US1A-1D US1G US1J-1K DIM A B C D E F G H J VF 1.0V 1.4V 1.7V 10uA 100uA IFM = 1.0A; TJ = 25°C MAX .096 .064 .008 .02 .060 .091 .220 .181 .115 MM MIN 2.00 1.27 .05 --.76 1.65 4.80 4.00 2.25 MAX 2.44 1.63 .20 .51 1.52 2.32 5.59 4.60 2.92 NOTE Maximum DC Reverse Current At Rated DC Blocking Voltage Maximum Reverse Recovery Time SUGGESTED SOLDER PAD LAYOUT IR TA = 25°C TA = 100°C 0.106” MAX 0.083” MIN US1A-1G US1J-1K Trr 50ns 100ns IF=0.5A, IR=1.0A, Irr=0.25A 0.050” MIN Typical Junction Capacitance US1A-1G US1J-1K CJ 20pF 17pF Measured at 1.0MHz, VR=4.0V *Pulse test: Pulse width 300 sec, Duty cycle 1% www.cnelectr.com US1A thru US1K Figure 1 Typical Forward Characteristics 20 10 6 4 2 Amps 1 .6 .4 .2 .1 .06 .04 .02 .01 .8 1.0 1.2 Volts Instantaneous Forward Current - Amperesversus Instantaneous Forward Voltage - Volts 1.4 1.6 1.8 TJ=25°C 2.4 2.2 2.0 1.8 US1A-1D US1G US1J-1K 1.6 1.4 1.2 Amps 1.0 .8 .6 .4 Single Phase, Half Wave .2 60Hz Resistive or Inductive Load 0 0 25 50 75 °C Average Forward Rectified Current - Amperes ersus v Lead Temperature - °C 100 125 150 Figure 2 Forward Derating Curve Figure 3 Junction Capacitance 100 60 40 20 pF 10 6 4 2 1 .1 .2 .4 1 Volts 2 4 10 20 40 100 200 400 1000 US1J-1K US1A-1G TJ=25°C Junction Capacitance - pFversus Reverse Voltage - Volts www.cnelectr.com US1A thru US1K Figure 4 Peak Forward Surge Current 30 25 20 15 Amps 10 5 0 1 4 6 8 10 Cycles Peak Forward Surge Current - Amperesversus Number Of Cycles At 60Hz - Cycles 20 40 60 80 100 2 Figure 5 Reverse Recovery Time Characteristic And Test Circuit Diagram 50Ω 10Ω trr +0.5A 0 25Vdc Pulse Generator Note 2 1Ω Oscilloscope Note 1 -0.25 -1.0 1cm Set Time Base for 20/100ns/cm 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 www.cnelectr.com