SF23

Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 SF21 THRU SF26 2.0 Amp Super Fast Rectifier 50 to 400 Volts DO-15 • • • • Features High reliability High current capability Low forward voltage drop High surge capability Maximum Ratings • • • Operating Temperature: -55°C to +125 °C Storage Temperature: -55°C to +150 °C For capacitive load, derate current by 20% Maximum Recurrent Peak Reverse Voltage 50V 100V 150V 200V 300V 400V Maximum RMS Voltage 35V 70V 105V 140V 210V 280V Maximum DC Blocking Voltage 50V 100V 150V 200V 300V 400V Part Number SF21 SF22 SF23 SF24 SF25 SF26 D Electrical Characteristics @ 25° C Unless Otherwise Specified Average Forward IF(AV) 2.0A TC = 55°C Current Peak Forward Surge IFSM 50A 8.3ms, half sine Current Maximum Instantaneous IFM = 2.0A; Forward Voltage VF TC = 25°C SF21-SF24 0.95V SF25-SF26 1.3V Maximum DC 5.0uA TC = 25°C Reverse Current At IR 100uA TC = 100°C Rated DC Blocking Voltage Typical Junction Capacitance Measured at CJ SF21-SF24 60pF 1.0MHz, VR=4.0V SF25-SF26 30pF IF=0.5A, IR=1.0A, Maximum Reverse TRR 35nS Recovery Time IRR=0.25A Pulse Test: Pulse width 300 usec, Duty cycle 1%. A Cathode Mark B D C DIMENSIONS INCHES MIN .230 .104 .026 1.000 MM MIN 5.80 2.60 .70 25.40 DIM A B C D MAX .300 .140 .034 --- MAX 7.60 3.60 .90 --- NOTE www.cnelectr.com SF21 thru SF26 Figure 1 Typical Reverse Characteristics Figure 2 Typical Forward Characteristics 1000 10 SF21-SF24 uAmps 100 Tj =100°C Amps SF25 -SF26 1 10 Tj =25°C 0.1 1 20 40 60 Volts 80 100 120 0.01 6 8 10 12 14 16 Instantaneous Reverse Current - uAmperes versus Percent of Rated Peak Reverse Voltage - % Figure 3 Forward Derating Curve 3.0 Volts Instantaneous Forward Current - Amperes versus Instantaneous Forward Voltage - Volts 2.5 2.0 1 .5 Amps 1.0 0 .5 Single Phase, Half Wave 60Hz Resistive or Inductive Load 0 0 25 50 75 °C Average Forward Rectified Current Per Leg - Amperes versus Case Temperature - °C 100 125 150 www.cnelectr.com SF21 thru SF26 Figure 4 Maximum Non-repetitive Forward Surge Current 60 150 125 100 75 50 25 0 Figure 5 Typical Junction Capacitance PEAK FORWARD SURGE CURRENT. (A) 40 30 20 10 0 8.3ms Single Half Sine Wave JEDEC Method JUNCTION CAPACITANCE.(pF) 50 Tj=25 0C SF 21 ~S F2 4 SF 25 ~S F2 6 1 2 5 10 20 50 100 .1 .5 1 2 5 10 20 50 100 200 500 1000 NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE. (V) Figure 6 Reverse Recovery Time Characteristic And Test Circuit Diagram 50Ω 10Ω trr +0.5A 0 25Vdc Pulse Generator Note 2 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 1 cm Set Time Base for 20/100ns/cm www.cnelectr.com