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| SF21 - SF28 2.0 AMPS. Super Fast Rectifiers DO-15 Features High efficiency, low VF High current capability High reliability High surge current capability Low power loss. For use in low voltage, high frequency inventor, free wheeling, and polarity protection application Mechanical Data Cases: Molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: Pure tin plated, lead free. solderable per MIL-STD-202, Method 208 guaranteed Polarity: Color band denotes cathode High temperature soldering guaranteed: o 260 C/10 seconds/.375",(9.5mm) lead lengths at 5 lbs., (2.3kg) tension Weight: 0.40 gram Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25 oC 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 SF SF SF SF Units Type Number 21 22 23 24 25 26 27 28 Maximum Recurrent Peak Reverse Voltage 50 100 150 200 300 400 500 600 V V RRM Maximum RMS Voltage 35 70 105 140 210 280 350 420 V V RMS Maximum DC Blocking Voltage 50 100 150 200 300 400 500 600 V V DC Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @T A = 55 oC 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 o @ T A =25 C at Rated DC Blocking Voltage o @ T A =100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Typical Thermal Resistance Operating Temperature Range I(AV) IFSM VF IR Trr Cj R JA TJ 2.0 50 0.95 5.0 100 35 40 65 -65 to +125 -65 to +150 30 o A A 1.3 1.7 V uA uA nS pF C/W o o Storage Temperature Range T STG 1. Reverse Recovery Test Conditions: IF =0.5A, IR =1.0A, IRR =0.25A Notes: 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. C C Version: A06 RATINGS AND CHARACTERISTIC CURVES (SF21 THRU SF28) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 3.0 FIG.3- TYPICAL REVERSE CHARACTERISTICS 10000 AVERAGE FORWARD CURRENT. (A) 2.5 1.5 INSTANTANEOUS REVERSE CURRENT. ( A) 2.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length 1000 100 1.0 0.5 Tj=100 0C 10 0 0 25 50 75 100 125 O 150 175 AMBIENT TEMPERATURE. ( C) 1 Tj=25 0C FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 60 PEAK FORWARD SURGE CURRENT. (A) 0.1 50 8.3ms Single Half Sine Wave JEDEC Method 40 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 30 20 FIG.4- TYPICAL FORWARD CHARACTERISTICS 100 10 0 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz INSTANTANEOUS FORWARD CURRENT. (A) FIG.5- TYPICAL JUNCTION CAPACITANCE 150 SF 21 ~S F2 4 10 JUNCTION CAPACITANCE.(pF) 125 100 6 F2 ~S 25 SF SF 28 1 Tj=25 0C 2 SF 7~ 75 SF 21 ~S F2 50 4 0.1 SF 25 25 ~S F2 8 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0 0.1 0.5 1 2 5 10 20 50 100 200 500 1000 REVERSE VOLTAGE. (V) 0.01 0.4 0.6 0.8 1.0 1.2 1.4 FORWARD VOLTAGE. (V) 1.6 1.8 FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 NONINDUCTIVE 10 NONINDUCTIVE +0.5A DUT (-) PULSE GENERATOR (NOTE 2) NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr (+) 50Vdc (approx) (-) 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 Version: A06 |
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