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| SF21 THRU SF28 SUPER FAST RECTIFIER Reverse Voltage - 50 to 600 Volts DO-15 Forward Current - 2.0 Amperes FEATURES 1.0 (25.4) MIN. 0.140(3.6) 0.104(2.6) DIA. 0.300(7.6) 0.230(5.8) The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 Super fast switching for high efficiency Low reverse leakage High forward surge current capability High temperature soldering guarantteed: 250 C/10 seconds,0.375"(9.5mm) lead length, 5 lbs. (2.3kg) tension MECHANICAL DATA 1.0 (25.4) MIN. 0.034(0.9) 0.028(0.7) DIA. Dimensions in inches and (millimeters) Case: JEDEC DO-15 molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.014 ounce, 0.40 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for current capacitive load current derate by 20%. SYMBOLS SF21 SF22 SF23 SF24 SF25 SF26 SF28 UNITS VOLTS VOLTS VOLTS Amps Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375"(9.5mm) lead length at TA=55 C 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 TA=25 C at rated DC blocking voltage TA=100 C Maximum reverse recovery time (NOTE 1) Typical junction capacitance (NOTE 2) Typical thermal resistance (NOTE 3) Operating junction and storage temperature range VRRM VRMS VDC I(AV) 50 35 50 100 70 100 150 105 150 200 140 200 2.0 300 210 300 400 280 400 600 420 600 IFSM VF IR trr CJ RqJA TJ,TSTG 60.0 0.95 50.0 1.25 5.0 50.0 35 30.0 50.0 -65 to +150 Amps Volts uA ns pF C/W C Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A 2.Measured at 1MHz and applied reverse voltage of 4.0V D.C. 3.Thermal resistance from junction to ambient at 0.375"(9.5mm)lead length,P.C.B. mounted www.shunyegroup.com RATINGS AND CHARACTERISTIC CURVES SF21 THRU SF28 AVERAGE FORWARD RECTIFIED CURRENT, AMPERES FIG. 1- FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT, AMPERES 2.0 FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 50 1.6 40 1.2 30 0.8 Single Phase Half Wave 60Hz Resistive or inductive Load 20 0.4 10 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 0 0 25 50 75 100 125 150 175 0 1 10 100 AMBIENT TEMPERATURE, C NUMBER OF CYCLES AT 60 Hz FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 1,000 20 10 TJ=25 C PULSE WIDTH=300 ms 1%DUTY CYCLE FIG. 4-TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT,AMPERES 100 1 10 TJ=100 C 1 0.1 SF21-SF24 SF25-SF28 0.1 TJ=25 C 0.01 0 0.4 0.8 1.2 1.6 1.8 0.01 0 20 40 60 80 100 INSTANTANEOUS FORWARD VOLEAGE, VOLTS PERCENT OF PEAK REVERSE VOLTAGE,% FIG. 5-TYPICAL JUNCTION CAPACITANCE 200 100 TJ=25 C FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE TRANSIENT THERMAL IMPEDANCE, C/W 100 JUNCTION CAPACITANCE, pF 10 10 1 SF21-SF24 SF25-SF28 1 0.1 1.0 10 100 0.1 0.01 0.1 1 10 100 REVERSE VOLTAGE,VOLTS t,PULSE DURATION,sec. www.shunyegroup.com |
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