LESHAN RADIO COMPANY, LTD. UF4001- UF4007 SUPER FAST DIODES TYPE Maximum Peak Reverse Voltage Maximum Average Rectified Current @ Half-Wave Resistive Load 60Hz Maximum Forward Peak Surge Current @ 8.3ms Superimposed IO@ TL I FM (Surge) PRV VPK UF4001 UF4002 UF4003 UF4004 UF4005 UF4006 UF4007 50 100 200 400 600 800 1000 AAV 1.0 C A PK 55 Maximum Reverse Current @ PRV @ TA=25C I R Adc 5.0 30 Maximum Forward Voltage @ TA=25C I FM A PK 1.0 Maximum Reverse Recovery Time V FM T rr V PK 1.00 1.00 1.00 1.00 1.70 1.70 1.70 Package Dimensions ns 50 50 50 50 75 75 75 DO - 41 Trr I F=0.5A, I R=1.0A, I RR=0.25A Trr Test Conditions: I F=0.5A, I R=1.0A, I RR=0.25A 1.0(25.4) MIN .034(0.9) .028(0.7) .205(5.2) .166(4.2) 1.0(25.4) MIN DIA .107(2.7) DIA .080(2.0) DO - 41 10A-1/2 LESHAN RADIO COMPANY, LTD. UF4001 - UF4007 RATING AND CHARACTERISTIC CURVES OF SUPER FAST DIODES FIG.1-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 10 NONINDUCTIVE +0.5A Trr (-) D.U.T. (+) 25Vdc (APPROX) (-) AVERAGE FORWARD CURRENT,(A) 50 NONINDUCTIVE FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE PULSE G E N E R AT O R (NOTE 2) 1 OSCILLOSCOPE NON. (NOTE 1) INDUCTIVE 0 -0.25A (+) NOTES:1.Rise Time=7ns max. Input Impedance=1megohm.22pF. 2.Rise Time=10ns max. Source Impedance=50 ohms. -1.0A 1cm SET TIME BASE FOR 10 ns/cm 1.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375"(9.5mm) Lead Length 0.5 0 20 40 60 80 100 120 140 160 AMBIENT TEMPER ATURE, (C) FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 10 TJ = 150C 10 TJ = 100C 1 UF4001-UF4004 INSTANTANEOUS FORWARD CURRENT, (A) INSTANTANEOUS REVERSE CURRENT (A) 100 TJ = 25C .1 1 UF4005-UF4007 .1 .01 TJ=25C Pulse Width=300s 1% Duty Cycle .01 0 20 40 60 80 100 120 .001 140 .4 .6 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG. 5 - MAXINUM NON-REPETITIVE FOWARD SURGE CURRENT 1.2 1.4 1.6 1.8 FIG. 6 - TYPICAL JUNCTION CAPACITANCE 100 8.3ms Single Half Sine-Wave (JEDEC Method) TA=55C 25 20 15 10 5 UF4001-UF4007 JUNCTION CAPACITANCE,(pF) PEAK FORWARD SURGE CURRENT,(A) 1.0 INSTANTANEOUS FORWARD VOLTAGE,(V) 30 10 UF4005-UF4007 TJ =25C f =1MHz V sig =50mV p-p 1 1 .8 2 4 6 8 10 20 NUMBER OF CYCLES AT 60Hz 40 60 80100 .1 1 2 10 20 100 REVERSE VOLTAGE,(V) 10A-2/2