SF21-B Rectron

SF21 THRU SF27 GLASS PASSIVATED SUPER FAST RECTIFIER VOLTAGE RANGE 50 to 600 Volts CURRENT 2.0 Amperes FEATURES * High reliability * Low leakage * Low forward voltage * High current capability * Super fast switching speed DO-15 * High surge capability * Good for switching mode circuit MECHANICAL DATA * Case: Molded plastic * Epoxy: Device has UL flammability classification 94V-O .034 (0.9) DIA028 (0.7) * Lead: MIL-STD-202E method 208C guaranteed 1.0 (25.4) MIN. * Mounting position: Any * Weight: 0.35 gram .300 (7.6) .230 (5.8) .140 (3.6) DIA104 (2.6) 1.0 (25.4) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS MIN. o Ratings at 25 C ambient temperature unless otherwise specified. resistive or inductive load. Dimensions in inches and (millimeters) O MAXIMUM RATINGS ( TA=25 C unless otherwise noted) RATINGS SYMBOL SF21 SF22 SF23 SF24 SF25 SF26 SF27 UNITS Maximum Recurrent Peak Reverse Voltage V 50 100 150 200 300 400 600 Volts RRM Maximum RMS Voltage V 35 70 105 140 210 280 420 Volts RMS Maximum DC Blocking Voltage V 50 100 150 200 300 400 600 Volts DC Maximum Average Forward Rectified Current I Amps o O 2.0 at T = 55 C A Peak Forward Surge Current 8.3 ms single half sine-wave I Amps FSM 75 superimposed on rated load (JEDEC method) 2 2 I Current Squarad Time t 23.3 A /Sec R JA 40 0 Typical Thermal Resistance (Note 3) C/W R JL 15 Typical Junction Capacitance (Note 2) C 50 30 pF J 0 Operating and Storage Temperature Range T , T -55 to + 150 C J STG O ELECTRICAL CHARACTERISTICS ( T =25 C unless otherwise noted) A CHARACTERISTICS SYMBOL SF21 SF25 SF26 SF27 SF22 SF23 SF24 UNITS Maximum Instantaneous Forward Voltage at 2.0A DC V 0.95 1.25 1.50 Volts F o T = 25 C Maximum DC Reverse Current A 5.0 I R uAmps o at Rated DC Blocking Voltage T = 100 C A 100 Maximum Reverse Recovery Time (Note 1) trr 35 50 nSec NOTES : 1. Test Conditions: I = 0.5A, I = -1.0A, I = -0.25A 2009-09 F R RR 2. Measured at 1 MHz and applied reverse voltage of 4.0 volts. REV:A 3. Typical Thermal Resistance : At 9.5mm lead lengths,PCB mounted. 4.Fully ROHS complain,100% Sn plating (Pb-freeRATING AND CHARACTERISTICS CURVES (SF21 THRU SF27 ) trr +0.5A 50 10 NONINDUCTIVE NONINDUCTIVE (-) D.U.T 0 (+) PULSE 25 Vdc GENERATOR (approx) (NOTE 2) -0.25A (-) 1 (+) OSCILLOSCOPE NON- (NOTE 1) INDUCTIVE NOTES: 1 Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. -1.0A 2. Rise Time = 10ns max. Source Impedance = 1cm 50 ohms. SET TIME BASE FOR 10/1 ns/cm FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 2.5 M 1000 2 100 O T = 100 C A 1.5 10 1 1.0 O Single Phase T =25 C A 0.5 Half Wave 60Hz Resistive or Inductive Load 0 0.1 0 25 50 75 100 125 150 175 0 20 40 60 80 100 120 140 O AMBIENT TEMPERATURE, ( C) PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG.2 TYPICAL FORWARD CURRENT FIG.3 TYPICAL REVERSE DERATTING CURVE CHARACTERISTICS AVERAGE FORWARD CURRENT, (A) INSTANTANEOUS REVERSE CURRENT, ( A)