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| SF21 THRU SF26 SUPER FAST RECTIFIER Reverse Voltage - 50 to 400 Volts Forward Current - 2.0 Amperes DO-204AC FEATURES * The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 * Super fast switching speed * Low leakage * Low forward voltage drop * High current capability * High surge capability * High reliability * Good for switching mode circuit 0.140(3.6) 0.104(2.6) DIA. 0.300(7.6) 0.230(5.8) 1.0(25.4) MIN. 1.0(25.4) MIN. MECHANICAL DATA Case : JEDEC DO-204AC molded plastic Terminals : Plated axial leads , solderable per MIL-STD-750, Method 2026 Polarity : Color band denotes cathode end Mounting Position : Any Weight : 0.015 ounes , 0.4 gram 0.034(0.86) 0.028(0.71) DIA. *Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature SYMBOLS unless otherwise specified. Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375" (9.5mm) lead length at TL=55 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 2.0 A Maximum DC reverse current at rated DC blocking voltage Maximum reverse recovery time (NOTE 1) Typical junction capacitance (NOTE 2) Operating junction and storage temperature range o o o SF21 50 35 50 SF22 100 70 100 SF23 150 105 150 SF24 200 140 200 SF25 300 210 300 SF26 400 280 400 UNITS Volts Volts Volts Amps VRRM VRMS VDC I(AV) 2.0 IFSM 75 Amps VF 0.95 5.0 1.25 Volts TA=25 C TA=150 C o IR 50 35 30 -65 to +150 20 uA trr CJ TJ,TSTG nS pF o C NOTES : (1) Reverse recovery test condition : IF 0.5A, IR=1.0A, Irr=0.25A (2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts REV. : 0 Zowie Technology Corporation RATINGS AND CHARACTERISTIC CURVES SF21 THRU SF26 FIG.1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 3.0 AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 50 NONINDUCTIVE 10 NONINDUCTIVE trr FIG.2 - FORWARD CURRENT DERATING CURVE 2.5 2.0 1.5 1.0 0.5 0.375" (9.5mm) LEAD LENGTH +0.5A (-) PULSE GENERATOR ( NOTE 2 ) Single Phase Half Wave 60Hz Resistive or Inductive Load (+) 25 Vdc ( approx ) (-) D.U.T. 0 -0.25A 1 NONINDUCTIVE OSCILLOSCOPE ( NOTE 1 ) (+) -1.0A NOTES : 1. Rise Time = 7ns max. Input Impedance= 1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance= 50 ohms. SET TIME BASE FOR 10ns/cm 0 0 25 50 75 100 125 o 150 175 AMBIENT TEMPERATURE, C FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10.00 IINSTANTANEOUS FORWARD CURRENT, AMPERES PEAK FORWARD SURGE CURRENT, AMPERES 75 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) FIG.4 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 60 ~S F2 4 5~ SF 26 SF 21 1.00 SF 2 TJ = 25 C o 45 30 0.10 15 0 1 PULSE WIDTH=300uS 1% DUTY CYCLE 10 NUMBER OF CYCLES AT 60Hz 100 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG.5 - TYPICAL REVERSE CHARACTERISTICS 100 JUNCTION CAPACITANCE, pF FIG.6 - TYPICAL JUNCTION CAPACITANCE 200 100 60 40 20 10 6 4 2 1 .1 TJ = 25 C o TJ = 25 C o INSTANTANEOUS REVERSE LEAKAGE CURRENT, MICROAMPERES 10 TJ = 150 C o 1.0 TJ = 100 C o SF21~SF24 SF25~SF26 0.1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE, VOLTS 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,% REV. : 0 Zowie Technology Corporation |
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