SF28

SF21 THRU SF28 SUPER FAST RECTIFIER Reverse Voltage - 50 to 600 Volts Forward Current - 2.0 Amperes FEATURES DO-15 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 1.0 (25.4) MIN. 0.140(3.6) 0.104(2.6) DIA. 0.300(7.6) 0.230(5.8) MECHANICAL DATA 1.0 (25.4) MIN. 0.034(0.86) 0.028(0.70) 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%. MDD Catalog Number 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 SYMBOLS SF21 SF22 SF23 SF24 SF25 SF26 SF28 UNITS VRRM VRMS VDC 50 35 50 100 70 100 150 105 150 200 140 200 300 210 300 400 280 400 600 420 600 VOLTS VOLTS VOLTS I(AV) 2.0 Amps IFSM 50.0 Amps VF 0.95 1.25 1.7 Volts IR 5.0 50.0 trr 35 ns 50.0 -65 to +150 pF C/W C CJ RθJA TJ,TSTG 60.0 µA 30.0 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 FIG. 1- FORWARD CURRENT DERATING CURVE 2.0 1.6 1.2 Single Phase Half Wave 60Hz Resistive or inductive Load 0.8 0.4 0 0 25 50 75 100 125 150 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES RATINGS AND CHARACTERISTIC CURVES SF21 THRU SF28 FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 50 40 30 20 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 10 175 0 1 10 AMBIENT TEMPERATURE, C 20 TJ=25 C PULSE WIDTH=300 µs 1%DUTY CYCLE 1 0.1 SF21-SF24 SF25-SF26 SF28 0.01 0 0.4 0.8 1.2 1.6 1.8 FIG. 4-TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT,AMPERES FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10 1,000 100 10 TJ=100 C 1 0.1 TJ=25 C 0.01 INSTANTANEOUS FORWARD VOLTAGE, VOLTS TJ=25 C 10 SF21-SF24 SF25-SF28 TRANSIENT THERMAL IMPEDANCE, C/W FIG. 5-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, pF 0 20 40 60 80 FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE 100 10 1 0.1 0.01 0.1 1 10 1 0.1 1.0 10 REVERSE VOLTAGE,VOLTS 100 PERCENT OF PEAK REVERSE VOLTAGE,% 200 100 100 NUMBER OF CYCLES AT 60 Hz 100 t,PULSE DURATION,sec. The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)! 100