SF21 THRU SF26 SUPER FAST RECTIFIER Reverse Voltage - 50 to 400 Volts Forward Current - 2.0 Amperes DO-204AC FEATURES 1.0(25.4) MIN. * 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 1.0(25.4) MIN. 0.300(7.6) 0.230(5.8) 0.140(3.6) 0.104(2.6) DIA. 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 o Ratings at 25 C ambient temperature SYMBOLS SF21 SF22 SF23 SF24 SF25 SF26 UNITS Maximum repetitive peak reverse voltage VRRM 50 100 150 200 300 400 Volts Maximum RMS voltage VRMS 35 70 105 140 210 280 Volts VDC 50 100 150 200 300 400 Volts unless otherwise specified. Maximum DC blocking voltage Maximum average forward rectified current o 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 I(AV) 2.0 Amps IFSM 75 Amps VF 0.95 o TA=150 C IR Maximum reverse recovery time (NOTE 1) trr Typical junction capacitance (NOTE 2) CJ Operating junction and storage temperature range Volts 5.0 TA=25 C o 1.25 TJ,TSTG uA 50 35 30 nS 20 -65 to +150 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 FIG.2 - FORWARD CURRENT DERATING CURVE 50 NONINDUCTIVE (+) 25 Vdc ( approx ) (-) 10 NONINDUCTIVE +0.5A (-) D.U.T. 1 NONINDUCTIVE trr 0 PULSE GENERATOR ( NOTE 2 ) OSCILLOSCOPE ( NOTE 1 ) -0.25A (+) -1.0A SET TIME BASE FOR 10ns/cm NOTES : 1. Rise Time = 7ns max. Input Impedance= 1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance= 50 ohms. AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 3.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 2.5 2.0 1.5 1.0 0.5 0.375" (9.5mm) LEAD LENGTH 0 0 25 50 75 100 125 150 175 o AMBIENT TEMPERATURE, C FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 1.00 5~ SF 26 o TJ = 25 C SF 2 ~S F2 4 PEAK FORWARD SURGE CURRENT, AMPERES 75 SF 21 IINSTANTANEOUS FORWARD CURRENT, AMPERES 10.00 0.10 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 60 45 30 15 0 1 10 100 NUMBER OF CYCLES AT 60Hz PULSE WIDTH=300uS 1% DUTY CYCLE 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 FIG.6 - TYPICAL JUNCTION CAPACITANCE 200 JUNCTION CAPACITANCE, pF INSTANTANEOUS REVERSE LEAKAGE CURRENT, MICROAMPERES 100 o TJ = 150 C 10 o TJ = 100 C 1.0 o TJ = 25 C 100 60 40 20 10 6 4 SF21~SF24 SF25~SF26 2 1 .1 0.1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE, VOLTS o TJ = 25 C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,% REV. : 0 Zowie Technology Corporation