SF21 thru SF28 REVERSE VOLTAGE - 50 to 600 Volts FORWARD CURRENT - 2.0 Amperes SUPER FAST RECTIFIERS DO-15 FEATURES ● Super fast switching time for high efficiency ● Low forward voltage drop and high current capabiltiy ● Low reverse leakage current 1.0(25.4) MIN ● Plastic material has UL flammability classification 94V-0 .034(0.9) DIA .028(0.7) .300(7.6) .230(5.8) .140(3.6) DIA .104(2.6) MECHANICAL DATA ●Case: JEDEC DO-15 molded plastic 1.0(25.4) MIN ●Polarity: Color band denotes cathode ●Weight: 0.0415ounces ,0.4grams ●Mounting position: Any Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25℃ ambient temperature unless otherwise specified. Single phase, half wave ,60Hz, resistive or inductive load. For capacitive load, derate current by 20% CHARACTERISTICS SYMBOL SF21 SF22 SF23 SF24 SF25 SF26 SF28 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 50 100 150 200 300 400 600 V Maximum RMS Voltage VRMS 35 70 105 140 210 280 420 V VDC 50 100 150 200 300 400 600 V Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TA =55 ℃ I(AV) 2.0 A IFSM 75 A Peak Forward Surge Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load(JEDEC Method) Peak Forward Voltage at 2.0A DC 0.95 VF Maximum DC Reverse Current @TJ=25℃ at Rated DC Blocking Voltage @TJ=100℃ IR 35 Typical Junction Capacitance (Note2) CJ 40 Storage Temperature Range V μA 100 Trr Operating Temperature Range 1.3 5.0 Maximum Reverse Recovery Time(Note 1) Typical Thermal Resistance (Note3) 1.25 40 50 30 nS pF RθJA 25 ℃/W TJ -55 to +125 ℃ TSTG -55 to +150 ℃ NOTES:1.Measured with IF=0.5A,IR=1A,IRR=0.25A. 2.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC 3.Thermal resistance junction to ambient. ~ 140 ~ RATING AND CHARACTERTIC CURVES SF21 thru SF28 FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT 100 FIG. 1 – FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT AMPERES AVERAGE FORWARD CURRENT AMPERES 3.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 2.5 2.0 1.5 1.0 0.5 0 25 75 50 100 125 150 75 50 25 PULSE WIDTH 8.3ms SINGLE HALF-SINE-WAVE (JEDEC METHOD) 0 1 175 2 10 20 50 100 NUMBER OF CYCLES AT 60Hz AMBIENT TEMPERATURE (℃) FIG.4-TYPICAL FORWARD CHARACTERISTICS FIG.3 – TYPICAL JUNCTION CAPACITANCE 100 INSTANTANEOUS FORWARD CURRENT, (A) 100 SF21-SF24 CAPACITANCE, (pF) 5 SF25-SF28 10 T J = 25°C f = 1 MHz SF21-SF24 10 SF25-SF26 1.0 SF28 T J = 25°C PULSE WIDTH 300us 0.1 1 1 4 10 100 0 REVERSE VOLTAGE ,VOLTS 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE ,VOLTS ~ 141 ~ 1.8