UF1001 ~ UF1007 ULTRA FAST RECTIFIER DIODES PRV : 50 ~ 1000 Volts Io : 1.0 Ampere DO - 41 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 1.00 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) 0.205 (5.2) 0.166 (4.2) 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 UF1001 UF1002 UF1003 UF1004 UF1005 UF1006 UF1007 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 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) IF(AV) 1.0 A IFSM 30 A Maximum Forward Voltage at IF = 1.0 A VF Maximum DC Reverse Current IR 5 µA IR(H) 100 µA Tj = 25 C at Rated DC Blocking Voltage Tj = 100 C Maximum Reverse Recovery Time Typical Junction Capacitance (1) (2) 1.1 1.7 V Trr 50 75 ns CJ 20 10 pf RθJA 25 C/W Junction Temperature Range TJ - 55 to + 150 C Storage Temperature Range TSTG - 55 to + 150 C Typical Thermal Resistance Notes : (3) ( 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 ( 3 ) Thermal Resistance from Junction to Ambient. Page 1 of 2 Rev. 02 : March 25, 2005 RATING AND CHARACTERISTIC CURVES ( UF1001 ~ UF1007 ) 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 25-35 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 8.3 ms SINGLE HALF SINE WAVE 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 24 18 12 6 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 25 50 75 100 125 150 0 175 1 FIG.4 - TYPICAL FORWARD CHARACTERISTICS 4 6 10 20 40 60 100 FIG.5 - TYPICAL REVERSE CHARACTERISTICS 10 REVERSE CURRENT, MICROAMPERES 10 FORWARD CURRENT, AMPERES 2 NUMBER OF CYCLES AT 60Hz AMBIENT TEMPERATURE, ( C) UF1001 THRU UF1004 1.0 UF1005 THRU UF1007 0.1 TJ = 100 C 1.0 0.1 TJ = 25 C TJ = 25 C Pulse Width = 300 µs 1% Duty Cycle 0.0 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) 0.001 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 02 : March 25, 2005