SF22G

SF21G THRU SF28G 2.0 AMPS. Glass Passivated Super Fast Rectifiers Voltage Range 50 to 600 Volts Current 2.0 Amperes Features Low forward voltage drop High current capability High reliability High surge current capability DO-15 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: 260oC/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension Mounting position: Any Weight: 0.40 gram Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol SF SF SF SF Type Number Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage 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 @ 2.0A Maximum DC Reverse Current @ TA=25℃ at Rated DC Blocking Voltage @ TA=125℃ Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 3) SF SF SF SF Units 21G 22G 23G 24G 25G 26G 27G 28G VRRM VRMS VDC I(AV) IFSM VF IR Trr Cj RθJA TJ 50 100 150 200 300 400 500 600 35 70 105 140 210 280 350 420 50 100 150 200 300 400 500 600 2.0 50 0.95 5.0 100 35 40 20 1.3 1.7 V V V A A V uA uA nS pF ℃/W ℃ ℃ 65 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 10mm x 10mm on PCB. - 242 - RATINGS AND CHARACTERISTIC CURVES (SF21G THRU SF28G) FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM trr +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A AVERAGE FORWARD CURRENT. (A) 50W NONINDUCTIVE 10W NONINDUCTIVE FIG.2- MAXIMUM AVERAGE FORWARD CURRENT DERATING 3.0 2.5 2.0 1.5 1.0 0.5 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) INSTANTANEOUS FORWARD CURRENT. (A) 100 Tj=125 0C 10 SF G 21 ~S F2 4G 10 Tj=75 0C 6G F2 ~S 5G 2 8G SF F2 ~S 7G F2 S 1 1 Tj=25 0C 0.1 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0.1 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 0.01 0.4 0.6 0.8 1.0 1.2 1.4 FORWARD VOLTAGE. (V) 1.6 1.8 FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 60 150 FIG.6- TYPICAL JUNCTION CAPACITANCE PEAK FORWARD SURGE CURRENT. (A) 50 40 8.3ms Single Half Sine Wave JEDEC Method JUNCTION CAPACITANCE.(pF) 125 100 30 75 20 50 25 0 SF 21 G~ SF 24 G SF 25G ~S F28 G Tj=25 0C 10 0 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz 0.1 0.5 1 2 5 10 20 50 100 200 500 1000 REVERSE VOLTAGE. (V) - 243 -