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| DL4933 - DL4937 PRV : 50 - 600 Volts Io : 1.0 Ampere FEATURES : * High current capability * * * * * * High surge current capability High reliability Low reverse current Low forward voltage drop Fast switching for high efficiency Pb / RoHS Free Surface Mount Fast Recovery Rectifiers MELF (Plastic) Cathode Mark 0.102 (2.6) 0.094 (2.4) 0.022(0.55) 0.205(5.2) 0.189(4.8) Dimensions in inches and ( millimeters ) MECHANICAL DATA : * Case : Molded plastic * Terminals : Plated Terminals, solderable per MIL-STD-750 Method 2026 * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.116 gram 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 , Ta = 55C 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. Maximum DC Reverse Current at Rated DC Blocking Voltage Ta = 25 C Ta = 100 C SYMBOL VRRM VRMS VDC IF(AV) IFSM VF IR IR(H) Trr DL4933 50 35 50 DL4934 100 70 100 DL4935 200 140 200 1.0 30 1.2 5.0 100 150 15 - 65 to + 150 - 65 to + 150 DL4936 400 280 400 DL4937 600 420 600 UNIT V V V A A V A A 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. 02 : March 24, 2005 RATING AND CHARACTERISTIC CURVES ( DL4933 - DL4937 ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 10 + 0.5 A D.U.T. 50 Vdc (approx.) 1 PULSE GENERATOR ( NOTE 2 ) OSCILLOSCOPE ( NOTE 1 ) 0 - 0.25 A Trr + - 1.0 A SET TIME BASE FOR 50/100 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 AVERAGE FORWARD OUTPUT CURRENT, AMPERES 1.0 30 FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES 8.3 ms SINGLE HALF SINE WAVE 24 Ta = 50 C 0.8 0.6 18 0.4 12 0.2 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 25 50 75 100 125 150 175 6 0 1 2 4 6 10 20 40 60 100 AMBIENT TEMPERATURE, ( C) FIG.4 - TYPICAL FORWARD CHARACTERISTICS FORWARD CURRENT, AMPERES 20 10 Pulse Width = 300 s 2% Duty Cycle 1.0 TJ = 25 C NUMBER OF CYCLES AT 60Hz FIG.5 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MICROAMPERES 10 TJ = 100 C 1.0 0.1 0.1 TJ = 25 C 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0.01 0 20 40 60 80 100 120 140 FORWARD VOLTAGE, VOLTS PERCENT OF RATED REVERSE VOLTAGE, (%) Page 2 of 2 Rev. 02 : March 24, 2005 |
Price & Availability of DL4933
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