SF56

SF51 - SF59 PRV : 50 - 1000 Volts Io : 5.0 Amperes FEATURES : * * * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Super fast recovery time Pb / RoHS Free SUPER FAST RECTIFIER DIODES DO-201AD 0.21 (5.33) 0.19 (4.82) 1.00 (25.4) MIN. 0.375 (9.52) 0.285 (7.24) MECHANICAL DATA : * Case : DO-201AD Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * W eight : 1.16 grams 0.052 (1.32) 0.048 (1.22) 1.00 (25.4) MIN. Dimensions in inches and ( millimeters ) Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATING Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 55 °C Maximum Peak Forward Surge Current, 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Peak Forward Voltage at IF = 5.0 A. Maximum DC Reverse Current at Rated DC Blocking Voltage Tj = 25 °C Tj = 100 °C SYMBOL SF51 SF52 SF53 SF54 SF55 SF56 SF57 SF58 SF59 VRRM VRMS VDC IF(AV) 50 35 50 100 70 100 150 105 150 200 140 200 300 210 300 5.0 400 280 400 600 420 600 800 560 800 1000 700 1000 UNIT V V V A IFSM VF IR IR(H) Trr 135 0.95 10 500 35 50 - 65 to + 150 - 65 to + 150 1.7 4.0 A V µA µA ns pf °C °C Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance ( Note 2 ) Junction Temperature Range Storage Temperature Range CJ TJ TSTG Notes : ( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A. ( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC Page 1 of 2 Rev. 05 : March 25, 2005 RATING AND CHARACTERISTIC CURVES ( SF51 - SF59 ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Ω 10 Ω + 0.5 D.U.T. 0 - 0.25 Trr + 50 Vdc (approx.) 1Ω PULSE GENERATOR ( NOTE 2 ) OSCILLOSCOPE ( NOTE 1 ) - 1.0 A SET TIME BASE FOR 15 ns/cm NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. 1 cm FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 5.0 15 FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 8.3 ms SINGLE HALF SINE AVERAGE FORWARD OUTPUT CURRENT, AMPERES PEAK FORWARD SURGE CURRENT, AMPERES 4.0 120 Ta = 50 °C 3.0 90 2.0 60 1.0 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 25 50 75 100 125 150 175 30 0 1 2 4 6 10 20 40 60 100 AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz FIG.4 - TYPICAL FORWARD CHARACTERISTICS REVERSE CURRENT, MICROAMPERES FIG.5 - TYPICAL REVERSE CHARACTERISTICS 100 SF51 - SF54 SF55 - SF57 1000 FORWARD CURRENT, AMPERES TJ = 100 °C 100 10 SF58 - SF59 1.0 10 Pulse Width = 300 µ s 2% Duty Cycle 0.1 TJ = 25 °C 1 TJ = 25 °C 0.01 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0.1 0 20 40 60 80 100 120 140 FORWARD VOLTAGE, VOLTS PERCENT OF RATED REVERSE VOLTAGE, (%) Page 2 of 2 Rev. 05 : March 25, 2005