SF31 SYNSEMI | Alldatasheet
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PRV : 50 - 1000 Volts Io : 3.0 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 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 * Weight : 1.16 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS 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%. SYMBOLSF31 SF32 SF33 SF34 SF35 SF36 SF37 SF38 SF39 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 50 100 150 200 300 400 600 800 1000 V Maximum RMS Voltage VRMS 35 70 105 140 210 280 420 560 700 V Maximum DC Blocking Voltage VDC 50 100 150 200 300 400 600 800 1000 V 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 = 3.0 A. VF 0.95 V Maximum DC Reverse Current Tj = 25 °C IR 10 at Rated DC Blocking Voltage Tj = 100 °C IR(H) 500 Maximum Reverse Recovery Time ( Note 1 ) Trr 35 ns Typical Junction Capacitance ( Note 2 ) CJ 50 pf Junction Temperature Range TJ - 65 to + 150 °C Storage Temperature Range TSTG - 65 to + 150 °C 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 A µA IFSM 125 A RATING 4.0 IF(AV) 3.0 1.7 DO-201AD 0.21 (5.33) 0.19 (4.82) 0.375 (9.52) 0.285 (7.24) 0.052 (1.32) 0.048 (1.22) 1.00 (25.4) MIN. 1.00 (25.4) MIN. Dimensions in inches and ( millimeters )
RATING AND CHARACTERISTIC CURVES ( SF31 - SF39 ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 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. FIG.2 - DERATING CURVE FOR OUTPUT FIG.3 - MAXIMUM NON-REPETITIVE PEAK RECTIFIED CURRENT FORWARD SURGE CURRENT 0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60100 AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 05 : March 25, 2005 60Hz RESISTIVE OR INDUCTIVE LOAD 2.4 1.8 1.2 0.6 3.0 100 1000 100 100 125 0.1 0.01 1.0 10 100 1400 20 40 60 120 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES FORWARD CURRENT, AMPERES REVERSE CURRENT, MICROAMPERES TJ = 25 °C TJ = 100 °C TJ = 25 °C Pulse Width = 300 µs 2% Duty Cycle 8.3 ms SINGLE HALF SINE Ta = 50 °C + 0.5 - 0.25 - 1.0 A Trr 1 cm SET TIME BASE FOR 15 ns/cm SF31 - SF34 SF35 - SF37 SF38 - SF39
50 Vdc
(approx) D.U.T. OSCILLOSCOPE ( NOTE 1 ) 1 Ω 50 Ω 10 Ω PULSE GENERATOR ( NOTE 2 ) PERCENT OF RATED REVERSE VOLTAGE, (%) 0.1