31DF4 datasheet(1/5 Pages) NIEC

Part #	31DF4

Description	Ultra - Fast Recovery Diode

PDF	5 Pages

Scroll/Zoom	100%

Manufacturer	NIEC [Nihon Inter Electronics Corporation]

Direct Link	http://www.niec.co.jp

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OUTLINE DRAWING

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

60

50Hz Half Sine Wave,1cycle,

Non-repetitive

A

Operating JunctionTemperature Range

Tjw

- 40 to + 150

°C

Storage Temperature Range

Tstg

- 40 to + 150

°C

Electrical/Thermal

• Characteristics

Characteristics

Symbol

Conditions

Min. Typ. Max.

Unit

Peak Reverse Current

IRM

Tj= 25

°C, VRM= VRRM

-

20

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

30

ns

∗1:Without Fin.

80

Thermal Resistance

(Junction to Ambient)

Rth(j-a)

∗2:With Fin

-

34

°C/W

∗1: Without Fin or P.C. Board

∗2: With Fin:20x20x1t(mm):Copper plates, L=5mm, Both Sides

FRD

Type

: 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

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31DF4 Datasheet(PDF) 1 Page - Nihon Inter Electronics Corporation

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