1N4934BULK

www.eicsemi.com 1N4933 - 1N4937 FAST RECOVERY RECTIFIER DIODES PRV : 50 - 600 Volts Io : 1.0 Amperes DO - 41 FEATURES : * * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Fast switching for high efficiency 1.00 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) 0.205 (5.2) 0.166 (4.2) * Pb / RoHS Free MECHANICAL DATA : 1.00 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) * Case : DO-41 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 : 0.34 gram Dimensions in inches and ( millimeters ) 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%. RATING SYMBOL 1N4933 1N4934 1N4935 1N4936 1N4937 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 V Maximum RMS Voltage VRMS 35 70 140 280 420 V Maximum DC Blocking Voltage Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 50 °C Maximum Peak Forward Surge Current, 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Peak Forward Voltage at IF = 1.0 Amp. VDC 50 100 200 400 600 V Maximum DC Reverse Current Ta = 25 °C at Rated DC Blocking Voltage Ta = 100 °C IF(AV) 1.0 A IFSM 30 A VF 1.2 V IR 5.0 µA IR(H) 100 µA Maximum Reverse Recovery Time ( Note 1 ) Trr 150 ns Typical Junction Capacitance ( Note 2 ) CJ 15 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. 02 : March 24, 2005 www.eicsemi.com RATING AND CHARACTERISTIC CURVES ( 1N4933 - 1N4937 ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Ω Trr 10 Ω + 0.5 A D.U.T. + 0 PULSE GENERATOR ( NOTE 2 ) 50 Vdc (approx.) 1Ω - 0.25 A OSCILLOSCOPE ( NOTE 1 ) - 1.0 A SET TIME BASE FOR 50/100 ns/cm NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 1 cm 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 30 1.0 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 0.8 0.6 0.4 0.2 8.3 ms SINGLE HALF SINE WAVE Ta = 50 °C 24 18 12 6 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 25 50 75 100 125 150 0 175 1 2 AMBIENT TEMPERATURE, ( °C) 20 10 Pulse W idth = 300 µs 2% Duty Cycle TJ = 25 °C 0.1 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 FORWARD VOLTAGE, VOLTS Page 2 of 2 6 10 20 40 60 100 1.8 2.0 FIG.5 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES FIG.4 - TYPICAL FORWARD CHARACTERISTICS 1.0 4 NUMBER OF CYCLES AT 60Hz 10 TJ = 100 ° C 1.0 0.1 TJ = 25 ° C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) Rev. 02 : March 24, 2005