31DF4 NIEC | Alldatasheet

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Technical content

Maximum Ratings Apporox Net Weight:1.19g Rating Symbol 31DF4 Unit Repetitive Peak Reverse Voltage VRRM 400 V Non-repetitive Peak Reverse Voltage VRSM 440 V 1.5 Ta=29°C ∗1 Average Rectified Output Current IO 3.0 Ta=25°C ∗2 50Hz Half Sine Wave Resistive Load A RMS Forward Current IF(RMS) 4.71 A Surge Forward Current IFSM 50Hz Half Sine Wave,1cycle, Non-repetitive A Operating JunctionTemperature Range Tjw - 40 to + 150 Storage Temperature Range Tstg - 40 to + 150 Electrical/Thermal • Characteristics Characteristics Symbol Conditions Min. Typ. Max. Unit Peak Reverse Current IRM Tj= 25°C, VRM= VRRM µA Peak Forward Voltage VFM Tj= 25°C, IFM= 3 A 1.25 V Reverse Recovery Time trr Ta= 25°C, IFM=3 A –di/dt=50A/µs ns ∗1:Without Fin. Thermal Resistance (Junction to Ambient) Rth(j-a) ∗2:With Fin °C/W ∗1: Without Fin or P.C. Board ∗2: With Fin:20x20x1t(mm):Copper plates, L=5mm, Both Sides FRD T y p e T y p e T y p e T y p e: 31DF4 31DF4 31DF4 31DF4

FEATURES

  • Ultra – Fast Recovery * Low Forward Voltage Drop * Low Power Loss, High Efficiency * High Surge Capability * 200 Volts thru 600 Volts Types Available

31DF_ OUTLINE DRAWING (Dimensions in mm)

FORWARD CURRENT VS. VOLTAGE 順 電 圧 特 性 31DF4 0.4 0.8 1.2 1.6 2.0 2.4 INSTANTANEOUS FORWARD VOLTAGE (V) 瞬 時 順 電 圧 (V) 0.2 0.5 INSTANTANEOUS FORWARD CURRENT (A) 瞬 時 順 電 流 (A) Tj=25°C Tj=150°C AVERAGE FORWARD POWER DISSIPATION 平 均 順 電 力 損 失 特 性 AVERAGE FORWARD CURRENT (A) 平 均 順 電 流 (A) AVERAGE FORWARD POWER DISSIPATION (W) 平 均 順 電 力 損 失 (W) 31DF4 180° θ 通流角 CONDUCTION ANGLE HALF SINE WAVE D.C. RECT 180° RECT 120° RECT 60°

AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE 平 均 順 電 流 - 周 囲 温 度 定 格 31DF4 Without Fin or P.C.Board 100 125 150 AMBIENT TEMPERATURE (°C) 周 囲 温 度 (℃) 0.4 0.8 1.2 1.6 2.0 2.4 AVERAGE FORWARD CURRENT (A) 平 均 順 電 流 (A) 180° θ 通流角 CONDUCTION ANGLE HALF SINE WAVE D.C. RECT 180° RECT 120° RECT 60° AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE 平 均 順 電 流 - 周 囲 温 度 定 格 31DF4 With Cu Fin(20×20×1t,L=5mm,Both Sides) 100 125 150 AMBIENT TEMPERATURE (°C) 周 囲 温 度 (℃) AVERAGE FORWARD CURRENT (A) 平 均 順 電 流 (A) 180° θ 通流角 CONDUCTION ANGLE HALF SINE WAVE D.C. RECT 180° RECT 120° RECT 60°

サ ー ジ 順 電 流 定 格 31DF4 f=50Hz,Half Sine Wave,Non-Repetitive,No Load 0.02 0.05 0.1 0.2 0.5 TIME (s) 時 間 (s) SURGE FORWARD CURRENT (A) サ ジ 順 電 流 (A) 0.02s IFSM