SF21 ~ SF25 VOLTAGE 50 ~ 600 V 2 A, Super Fast Rectifiers Elektronische Bauelemente RoHS Compliant Product A suffix of “-C” specifies halogen & lead-free FEATURES z z z z DO-15 Low forward voltage drop High current capability High reliability High surge current capability C A B PACKAGING INFORMATION z z z z z z Case: Molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: Axial leads, solderable per MIL-STD-202, method 208 guaranteed Polarity: Color band denotes cathode end Mounting position: Any Weight: 0.4300 grams (approximately) D A REF. A B C D Millimeter Min. Max. 25.4 (TYP) 5.80 7.62 2.60 3.60 0.90 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25°C ambient temperature unless otherwise specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. PART NUMBERS SYMBOL PARAMETERS UNITS SF21 SF22 SF23 SF24 SF25 TESTING CONDITIONS Recurrent Reverse Voltage (Max.) VRRM 50 100 200 400 600 V RMS Voltage (Max.) VRMS 35 70 140 280 420 V DC Blocking Voltage (Max.) VDC 50 100 200 400 600 V 1.30 1.70 V IF = 1 A A 0.375” (9.5mm) lead length @ TA = 55°C A 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Instantaneous Forward Voltage (Max.) Average Forward Rectified Current (Max.) Peak Forward Surge Current DC Reverse Current (Max.) VF IO IFSM IR 0.95 2.0 50 5.0 50 μA Reverse Recovery Time (Max.) TRR 35 nS Junction Capacitance (Typ.) CJ 60 pF Storage Temperature Range TSTG -65 ~ 150 °C 01-April-2009 Rev. C VR = VDC, TA=25°C VR= VDC, TA=100°C IF=0.5A, IR=1.0A, IRR=0.25A f=1MHz and applied 4V DC reverse voltage Page 1 of 2 SF21 ~ SF25 VOLTAGE 50 ~ 600 V 2 A, Super Fast Rectifiers Elektronische Bauelemente RATINGS AND CHARACTERISTIC CURVES (SF21 THRU SF25) 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. SET TIME BASE FOR 2.4 2.0 1.6 Single Phase 1.2 Half Wave 60Hz Resistive Or Inductive Load 0.8 0.375"(9.5mm) Lead Length 0.4 0 0 25 50 FIG.4-TYPICAL REVERSE CHARACTERISTICS CHARACTERISTICS 50 10 10 REVERSE LEAKAGE CURRENT, (mA) 50 SF 25 SF 24 21~ SF 23 1.0 SF 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 1.6 100 125 150 175 3.0 1.0 Tj=100 C Tj=25 C 0.1 .01 1.8 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) FORWARD VOLTAGE,(V) FIG.6-TYPICAL JUNCTION CAPACITANCE FIG.5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 175 100 JUNCTION CAPACITANCE,(pF) PEAK FORWARD SURGE CURRENT,(A) 75 AMBIENT TEMPERATURE,( C) 50 / 10ns / cm 80 60 Tj=25 C 8.3ms Single Half Sine Wave 40 JEDEC method 20 150 125 100 75 50 25 0 0 1 5 10 NUMBER OF CYCLES AT 60Hz 01-April-2009 Rev. C 50 100 .01 .05 .1 .5 1 5 10 50 100 REVERSE VOLTAGE,(V) Page 2 of 2