CURRENT 5.0 Amperes VOLTAGE 50 to 600 Volts SF51 THRU SF57 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 DO-201AD 0.210(5.3) 0.188(4.8) DIA. 1.0(25.4) MIN. 0.375(9.5) 0.285(7.2) Mechanical Data · 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 1.0(25.4) MIN. 0.042(1.1) 0.037(0.9) DIA. 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 SF51 SF52 SF53 SF54 SF55 SF56 SF57 Units Maximum recurrent peak reverse voltage VRRM 50 100 150 200 300 400 600 Volts Maximum RMS voltage VRMS 35 70 105 140 210 280 420 Volts Maximum DC blocking voltage VDC 50 100 150 200 300 400 600 Volts Maximum average forward rectified current 0.375"(9.5mm) lead length at TA=55℃ I(AV) 5.0 Amps Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 150 Amps Maximum instantaneous forward voltage at 5.0A VF Maximum DC reverse current at rated DC blocking voltage IR TA=25℃ TA=100℃ 1.25 0.95 10.0 1.50 Volts μA 100 Maximum reverse recovery time (Note 1) Trr 35 ns Typical junction capacitance (Note 2) CJ 50 pF Operating junction and storage temperature range TJ TSTG 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. -55 to +150 ℃ RATINGS AND CHARACTERISTIC CURVES SF51 THRU SF57 FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC (+) 25Vdc (approx.) ( ) trr 10 NONINDUCTIVE ( ) PULSE GENERATOR (NOTE 2) (+) OSCILLISCOPE(NOTE 1) D.U.T. 1W NONINDUCTIVE | | | | | | | | +0.5A 0 -0.25A AVERAGE FORWARD CURRENT,(A) 50 NONINDUCTIVE -1.0A NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 1cm SET TIME BASE FOR 2. Rise Time= 10ns max., Source Impedance= 50 ohms. 6 5 4 Single Phase Half Wave 60Hz Resistive Or Inductive Load 0.375"(9.5mm) Lead Length 3 2 1 0 0 50 / 10ns / cm 50 50 10 10 57 SF 1~S SF 55~ SF SF5 56 F54 3.0 1.0 Tj= 25 C Pu lse W idth 30 0u s 1% Du ty Cy cle 0.1 .01 .4 .6 .8 1. 0 1. 2 1. 4 1. 6 JUNCTION CAPACITANCE,(pF) PEAK FORWARD SURGE CURRENT,(A) 120 90 8.3ms Single Half Sine Wave JEDEC method 30 1 5 125 o 150 175 1.0 Tj=100 C Tj=25 C 0.1 175 150 0 100 20 40 60 80 10 0 12 0 14 0 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) FIG.5-MAXIMUM NON-REPETITIVE FORWARDSURGE CURRENT Tj=25 C 75 3.0 0 1. 8 FORWARD VOLTAGE,(V) 60 50 AMBIENT TEMPERATURE,( C) FIG.4-TYPICAL REVERSECHARACTERISTICS REVERSE LEAKAGE CURRENT, (mA) INSTANTANEOUS FORWARD CURRENT,(A) FIG.3-TYPICAL FORWARDCHARACTERISTICS 25 10 NUMBER OF CYCLES AT 60Hz 50 100 FIG.6-TYPICAL JUNCTION CAPACITANCE 150 125 100 75 50 25 0 .01 .05 .1 .5 1 5 REVERSE VOLTAGE,(V) 10 50 100