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| SF41G THRU SF48G 4.0 AMPS. Glass Passivated Super Fast Rectifiers Voltage Range 50 to 600 Volts Current 4.0 Amperes Features Low forward voltage drop High current capability High reliability High surge current capability DO-201AD Mechanical Data Case: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: Axial leads, solderable per MIL-STD202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: o 260 C/10 seconds/.375",(9.5mm) lead lengths at 5 lbs., (2.3kg) tension Mounting position: Any Weight: 1.2 grams Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol SF41G SF42G SF43G SF44G SF48G Units Type Number V Maximum Recurrent Peak Reverse Voltage VRRM 50 100 150 200 600 V Maximum RMS Voltage VRMS 35 70 105 140 420 V Maximum DC Blocking Voltage VDC 50 100 150 200 600 Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @TA = 55 Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC Method ) Maximum Instantaneous Forward Voltage @ 4.0A Maximum DC Reverse Current @ TA=25 at Rated DC Blocking Voltage @ TA=100 Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 3) I(AV) IFSM VF IR Trr Cj RJA TJ 4.0 150 1.0 5.0 500 35 100 80 1.7 A A V uA uA nS pF /W 25 Operating Temperature Range -65 to +150 Storage Temperature Range TSTG -65 to +150 Notes: 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Mount on Cu-Pad Size 16mm x 16mm on P.C.B. - 248 - RATINGS AND CHARACTERISTIC CURVES ( SF41G THRU SF48G ) FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50W NONINDUCTIVE 10W NONINDUCTIVE +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr FIG.2- MAXIMUM AVERAGE FORWARD CURRENT DERATING AVERAGE FORWARD CURRENT. (A) 6.0 5.0 4.0 3.0 2.0 1.0 0 0 25 50 75 100 125 150 175 o Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm AMBIENT TEMPERATURE. ( C) FIG.3- TYPICAL REVERSE CHARACTERISTICS 1000 FIG.4- TYPICAL FORWARD CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT. ( A) 100 Tj=150 0C INSTANTANEOUS FORWARD CURRENT. (A) 10 Tj=125 0C 10 1 Tj=25 0C 0.1 0.1 Tj=25 0C PULSE WIDTH-300 S 2% DUTY CYCLE 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 0.01 0.4 0.6 0.8 1.0 SF 1.2 48 1.4 G 1 SF 41 G~ SF 44 G 1.6 1.8 FORWARD VOLTAGE. (V) FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 175 180 160 140 120 100 FIG.6- TYPICAL JUNCTION CAPACITANCE PEAK FORWARD SURGE CURRENT. (A) 125 100 75 50 25 0 1 2 5 10 8.3ms Single Half Sine Wave JEDEC Method JUNCTION CAPACITANCE.(pF) 150 Tj=25 0C SF41G~SF44G 80 SF48G 60 40 20 50 100 0.1 0.5 1 2 5 10 20 50 100 200 500 1000 NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE. (V) - 249 - |
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