SF21

SF21 THRU SF27 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 CURRENT 2.0 Amperes VOLTAGE 50 to 600 Volts DO-15 0.140(3.6) 0.104(2.6) DIA. 1.0(25.4) MIN. Mechanical Data · Case : JEDEC DO-15 molded plastic body · Terminals : Plated axial lead solderable per MIL-STD-750, method 2026 · Polarity : Color band denotes cathode end · Mounting Position : Any · Weight : 0.014 ounce, 0.40 gram 0.300(7.6) 0.230(5.8) 0.034(0.9) 0.028(0.7) DIA. 1.0(25.4) MIN. Dimensions in inches and (millimeters) Maximum Ratings And Electrical Characteristics (Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Symbols Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375"(9.5mm) lead length at TA=55℃ Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Maximum instantaneous forward voltage at 2.0A Maximum DC reverse current at rated DC blocking voltage TA=25℃ TA=100℃ Trr CJ TJ TSTG VRRM VRMS VDC I(AV) IFSM VF IR SF21 50 35 50 SF22 100 70 100 SF23 150 105 150 SF24 200 140 200 2.0 50 SF25 300 210 300 SF26 400 280 400 SF27 600 420 600 Units Volts Volts Volts Amps Amps 0.95 5.0 100 35 60 -55 to +125 -55 to +150 1.30 1.70 Volts μA ns 30 pF ℃ Maximum reverse recovery time (Note 1) Typical junction capacitance (Note 2) Operating junction and storage temperature range 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. RATINGS AND CHARACTERISTIC CURVES SF21 THRU SF27 NONINDUCTIVE AV E R AG E F O R WAR D C U R R E N T . ( A ) 50 FIG . 1 -REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 100 NONINDUCTIVE +0.5A trr FIG . 2 -MAXIMUM AVERAGE FORWARD CURRENT DERATING 3.0 2.5 2.0 1.5 1.0 0.5 0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.375"(9.5m m) LEAD LENGTH (+ ) DUT 50Vdc (approx) (-) NONINDUCTIVE OSCILLOSCOPE (NOTE 2 ) PULSE GENERATOR (NOTE 2 ) 0 -0.5A NOTES: 1 . RISE TIME = 7nsmax. INPUT IMPEDANCE= 1 MEGOHM 22p 2 . RISE IME = 10ns max.SOURSE T IMPEDANCE = 50ohmsf FIG . 3 -TYPICAL REVERSE CHARACTERISTICS 1000 A) -1.0A 1cm SET TIME BASE FOR 5/ 10ns / cm AMBIENT TEMPERATURE . (OC) 25 50 75 100125 150 175 FIG . 4 -TYPICAL REVERSE CHARACTERISTICS 100.0 I N S TA N TA N E O U S F O R WA R D C U R R E N T. ( A ) I N S TA N TA N E O U S R E V E R S E C U R R E T . ( 100 Tj=100 C O 10.0 F SF 21 24 SF 25 SF 26 -S 10 1.0 SF 27 Tj=25 C O 1 0.1 Tj=25oC Pulse Width=300 s 1% Duty Cycle .6 .8 1.0 1.2 1.4 1.6 1.8 .1 0 20 40 60 80 100 120 .01 .4 PERCENT OF RA TED PEAK REVERSE VOL TAGE . (% ) FIG . 5 - M AXIMU M NON- REPETITIV E FORWARD SUREG C URRENT 60 50 40 30 20 10 0 1 2 5 10 20 50 100 FORWARD VOLTAGE . ( V ) FIG . 6 - T YPICA L JUNCTION C APACITANCE 150 JUNCTION CARACTIANCE . (pF) 125 100 75 50 25 0 .1 .5 1 2 5 10 20 50 1 00 200 500 1000 P E A K F O R WA R D S U R G E C U R R E N T . ( A ) 8 .3ms S ingle H alf Sine Wave J EDEC M ethod SF SF 21 25 -S -S F2 4 F2 7 Tj=25 OC NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE . ( V)