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| FRD FEATURES Type: 31DF4 OUTLINE DRAWING * Ultra - Fast Recovery * Low Forward Voltage Drop * Low Power Loss, High Efficiency * High Surge Capability * 200 Volts thru 600 Volts Types Available Maximum Ratings Rating Repetitive Peak Reverse Voltage Non-repetitive Peak Reverse Voltage Average Rectified Output Current RMS Forward Current Surge Forward Current Operating JunctionTemperature Range Storage Temperature Range Symbol VRRM VRSM IO IF(RMS) IFSM Tjw Tstg 60 1.5 3.0 Apporox Net Weight:1.19g 31DF4 400 440 Ta=29C 1 Ta=25C 2 50Hz Half Sine Wave Resistive Load Unit V V A A A C C 4.71 50Hz Half Sine Wave,1cycle, Non-repetitive - 40 to + 150 - 40 to + 150 Electrical/Thermal * Characteristics Characteristics Peak Reverse Current Peak Forward Voltage Reverse Recovery Time Thermal Resistance (Junction to Ambient) Symbol IRM VFM trr Conditions Min. Typ. Max. 20 1.25 30 80 34 Unit A V ns C/W Tj= 25C, VRM= VRRM Tj= 25C, IFM= 3 A Ta= 25C, IFM=3 A -di/dt=50A/s 1:Without Fin. Rth(j-a) 2:With Fin 1: Without Fin or P.C. Board 2: With Fin:20x20x1t(mm):Copper plates, L=5mm, Both Sides 31DF_ OUTLINE DRAWING (Dimensions in mm) **@"d*@*@"A*@* FORWARD CURRENT VS. VOLTAGE 31DF4 50 INSTANTANEOUS FORWARD CURRENT (A) 20 10 5 *u Z * "d -- 2 1 0.5 Tj=25C Tj=150C *i*j 0.2 0 0.4 0.8 1.2 1.6 2.0 2.4 INSTANTANEOUS FORWARD VOLTAGE (V) *u*@Z*@**@"d*@*@*iu*j 0 CONDUCTION ANGLE 180 *1/2*@I*@**@"d*@--I*@`*@Z*@"A*@* AVERAGE FORWARD POWER DISSIPATION 31DF4 6 *1/2 I * "d --I ` Z AVERAGE FORWARD POWER DISSIPATION (W) 5 D.C. 4 RECT 180 HALF SINE WAVE RECT 120 RECT 60 3 2 1 *iv*j 0 0 1 2 3 4 5 AVERAGE FORWARD CURRENT (A) *1/2*@I*@**@"d*@--*@*i*j 0 CONDUCTION ANGLE 180 *1/2*@I*@**@"d*@--*@*|*@Zu*@I*@**@"x*@'e*@Si AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE Without Fin or P.C.Board 31DF4 D.C. 2.4 AVERAGE FORWARD CURRENT (A) 2.0 RECT 180 RECT 120 *1/2 I * "d -- 1.6 RECT 60 HALF SINE WAVE 1.2 0.8 *i*j 0.4 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE (C) Zu*@I*@**@"x*@*i*Z*j 0 CONDUCTION ANGLE 180 *1/2*@I*@**@"d*@--*@*|*@Zu*@I*@**@"x*@'e*@Si AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE With Cu Fin(20x20x1t,L=5mm,Both Sides) 5 31DF4 AVERAGE FORWARD CURRENT (A) D.C. 4 RECT 180 *1/2 I * "d -- 3 HALF SINE WAVE RECT 120 2 RECT 60 *i*j 1 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE (C) Zu*@I*@**@"x*@*i*Z*j T*@*[*@W*@**@"d*@--*@'e*@Si SURGE CURRENT RATINGS f=50Hz,Half Sine Wave,Non-Repetitive,No Load 70 31DF4 60 *b W * "d -- SURGE FORWARD CURRENT (A) T 50 40 30 20 I FSM 0.02s *i*j 10 0 0.02 0.05 0.1 0.2 0.5 1 2 TIME (s) Z*@SO*@*i"*j |
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