SF31 DAESAN | Alldatasheet

Document overview

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Technical content

Features

  • Low forward voltage drop
  • High current capability
  • High reliability
  • High surge current capability
  • Super fast recovery time
  • Good for use in switching mode circuits
  • Plastic package has Underwrites Laboratory Flammability Classification 94V-0 Maximum Ratings And Electrical Characteristics
  • Case : JEDEC DO-201AD molded plastic body
  • Terminals : Plated axial lead solderable per MIL-STD-750, method 2026
  • Polarity : Color band denotes cathode end
  • Mounting Position : Any
  • Weight : 0.042 ounce, 1.18 gram (Ratings at 25¡É ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Notes: (1) Test conditions: IF=0.5A, IR=1.0A, Irr=0.25A. (2) Measured at 1MHz and applied reverse voltage of 4.0 Volts. CURRENT 3.0 Amperes VOLTAGE 50 to 600 Volts Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Volts Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) VDC Maximum average forward rectified current 0.375"(9.5mm) lead length at TA=55¡É Maximum instantaneous forward voltage at 3.0A VRRM Volts Symbols Units 0.95VF VRMS 3.0 Amps Amps 125IFSM TJ TSTG 100 -55 to +125 ¡É Volts Maximum DC reverse current at rated DC blocking voltage Maximum reverse recovery time (Note 1) Typical junction capacitance (Note 2) Operating junction and storage temperature range 5.0 Volts ¥ìA ns pF I(AV) IR Trr TA=25¡É TA=100¡É 100CJ SF31 1.30 1.70 -55 to +150 100 100 SF32 150 105 150 SF33 200 140 200 SF34 300 210 300 SF35 400 280 400 SF36 600 420 600 SF37 Dimensions in inches and (millimeters) DO-201AD 1.0(25.4) MIN. 1.0(25.4) MIN. 0.375(9.5) 0.285(7.2) 0.042(1.1) 0.037(0.9) DIA. 0.210(5.3) 0.188(4.8) DIA.

RATINGS AND CHARACTERISTIC CURVES SF31 THRU SF37 FIG . 1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM trr 1cm 50 10 NONINDUCTIVE NONINDUCTIVE DUT PULSE GENERATOR (NOTE 2 ) OSCILLOSCOPE (NOTE 2 )NONINDUCTIVE (+ ) 50Vdc (approx) (-) NOTES: 1 . RISE TIME = 7ns max. INPUT IMPEDANCE= 1 MEGOHM 22p 2 . RISE TIME = 10ns max. SOURSE IMPEDANCE = 50ohmsf +0.5A -0.25A -1.0A SET TIME BASE FOR 5/ 10ns / cm SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.375"(9.5m m) LEAD LENGTH 3.0 2.5 1.5 25 50 75 100 125 150 175 FIG . 2 -MAXIMUM AVERAGE FORWARD CURRENT DERATING O AMBIENT TEMPERATURE . ( C) AVERAGE FORWARD CURRENT . (A ) 2.0 1.0 0.5 O 55 C FIG . 3 - TYPICAL REVERSE CHARACTERISTICS PERCENT OF RATED PEAK REVERSE VOLTAGE . (% ) 0 20 40 60 80 100 120 1000 100 O Tj=25 C FIG . 4 - TYPICAL REVERSE CHARACTERISTICS SF SF37 o Tj=25C Pulse Width=300 s 1% Duty Cycle 100.0 10.0 1.0 0.1 .01 FORWARD VOLTAGE . ( V ) INSTANTANEOUS FORWARD CURRENT. (A) SF -SF SF -S36 SF O Tj=100 C NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE . ( V ) FIG . 5 - MAXIMUM NON- REPETITIVE FORWARD SUREG CURRENT FIG . 6 - TYPICAL JUNCTION CAPACITANCE 8.3ms Single Half Sine Wave JEDEC Method 1 2 5 10 20 50 1 00 175 150 125 100 SF -SF SF -SF .1 .5 1 2 5 10 20 50 100 200 500 1000 200 180 160 140 120 100 JUNCTION CAPACITANCE(pF) PEAK FORWARD SURGE CURRENT . (A) INSTANTANEOUS REVERSE CURRET . ( )A