SF21 THRU SF28 50V-600V Soft Recovery Ultrafast Plastic Rectifier 2.0A FEATURES ! ! ! ! ! Diffused Junction Low Forward Voltage Drop High Current Capability High Reliability High Surge Current Capability Mechanical Data ! ! ! ! ! ! Case: Molded Plastic Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: 0.40 grams (approx.) Mounting Position: Any Marking: Type Number MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. SF21 SF23 SF24 SF25 100 150 200 300 400 500 600 V SF22 SF26 SF27 SF28 UNITS Maximum recurrent peak reverse voltage VRRM 50 Maximum RMS voltage VRMS 35 70 105 140 210 280 350 420 V VDC 50 100 150 200 300 400 500 600 V Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA=75 IF(AV) 2.0 A IFSM 50 A Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ=125 Maximum instantaneous forw ard voltage @ 2.0A Maximum reverse current at rated DC blocking voltage @TA=25 @TA=125 (Note1) trr Typical junction capacitance (Note2) CJ Typical thermal resistance (Note3) RθJA Storage temperature range 1.3 1.7 V 5.0 IR Maximum reverse recovery time Operating junction temperature range 0.95 VF A 50.0 ns 35 60 30 20 pF /W TJ - 55 ----- + 175 TSTG - 55 ----- + 175 NOTE: 1. Measured with I F=0.5A, I R=1A, I rr=0.25A. 2. Measured at 1.0MHZ and applied rev erse v oltage of 4.0V DC. 3. Thermal resistance f rom junction to ambient. E-mail: [email protected] 1 of 2 Web Site: www.taychipst.com SF21 THRU SF28 50V-600V Soft Recovery Ultrafast Plastic Rectifier RATING AND CHARACTERISTIC CURVES (SF21 THRU SF28) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC trr 10W NONINDUCTIVE ( ) D.U.T. 25Vdc (approx.) PULSE GENERATOR (NOTE 2) ( ) 1W NONINDUCTIVE | | | | | | | | +0.5A (+) AVERAGE FORWARD CURRENT,(A) 50W NONINDUCTIVE 0 -0.25A (+) OSCILLISCOPE (NOTE 1) -1.0A NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 1cm 2. Rise Time= 10ns max., Source Impedance= 50 ohms. 1.2 1.0 0.8 Single Phase 0.6 Half Wave 60Hz Resistive Or Inductive Load 0.4 0.375"(9.5mm) Lead Length 0.2 0 SET TIME BASE FOR 0 25 50 FIG.4-TYPICAL REVERSE CHARACTERISTICS CHARACTERISTICS 50 10 10 REVERSE LEAKAGE CURRENT, ( A) 50 ~S F1 6 SF 17 SF 15 SF 11~ SF 14 INSTANTANEOUS FORWARD CURRENT,(A) FIG.3-TYPICAL FORWARD 3.0 Tj=25 C Pulse Width 300us 1% Duty Cycle 0.1 .01 .4 .6 .8 1.0 1.2 1.4 1.6 125 150 175 1.0 Tj=100 C Tj=25 C 0.1 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) FORWARD VOLTAGE,(V) 50 JUNCTION CAPACITANCE,(pF) PEAK FORWARD SURGE CURRENT,(A) 100 3.0 .01 1.8 75 AMBIENT TEMPERATURE,( C) 50 / 10ns / cm 1.0 2.0A 40 30 Tj=25 C 8.3ms Single Half Sine Wave 20 JEDEC method 10 150 125 100 75 50 25 0 0 1 5 10 50 100 NUMBER OF CYCLES AT 60Hz E-mail: [email protected] .01 .05 .1 .5 1 5 10 50 100 REVERSE VOLTAGE,(V) 2 of 2 Web Site: www.taychipst.com