11DF3 - 11DF4 ULTRA FAST RECTIFIER DIODES PRV : 300 - 400 Volts Io : 1.0 Ampere DO - 41 FEATURES : * * * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Superfast recovery time Pb / RoHS Free 1.00 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) 0.205 (5.2) 0.166 (4.2) 1.00 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) MECHANICAL DATA : * 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 : 0.339 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 11DF3 11DF4 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 300 400 V Maximum RMS Voltage VRMS 210 280 V Maximum DC Blocking Voltage VDC 300 400 V Ta = 57 °C IF(AV) 1.0 A IFSM 30 A Maximum Peak Forward Voltage at IF = 1.0 A VF 1.25 V Maximum DC Reverse Current at VRRM IR 10 µA Maximum Reverse Recovery Time ( Note 1 ) Trr 35 ns Junction Temperature Range TJ - 65 to + 150 °C Storage Temperature Range TSTG - 65 to + 150 °C Maximum Average Forward Current Maximum Peak Forward Surge Current, 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Note: ( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A. Page 1 of 2 Rev. 02 : March 25, 2005 RATING AND CHARACTERISTIC CURVES ( 11DF3 - 11DF4 ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Ω 10 Ω Trr + 0.5 D.U.T. + 0 PULSE GENERATOR ( NOTE 2 ) 50 Vdc (approx) 1Ω - 0.25 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. 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 0 0 25 50 75 100 125 150 8.3 ms SINGLE HALF SINE WAVE Ta = 40 °C 24 18 12 6.0 0 175 1 AMBIENT TEMPERATURE, ( °C) FIG.4 - TYPICAL FORWARD CHARACTERISTICS 4 6 10 20 40 60 100 FIG.5 - TYPICAL REVERSE CHARACTERISTICS 10 10 TJ = 100 °C REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES 2 NUMBER OF CYCLES AT 60Hz TJ = 25 °C 1.0 0.1 0.01 1.0 0.1 TJ = 25 °C 0.0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 20 40 60 80 100 120 140 FORWARD VOLTAGE, VOLTS PERCENT OF RATED REVERSE VOLTAGE, (%) Page 2 of 2 Rev. 02 : March 25, 2005