Datasheet 31DF4 Datasheet (NIHON)



FRD Type

Type: 31DF4

TypeType

31DF4

31DF431DF4

FEATURES

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

OUTLINE DRA WING

Maximum Ratings Apporox Net Weight:1.19g

Rating

Repetitive Peak Reverse Voltage
Non-repetitive Peak Reverse Voltage

Average Rectified Output Current IO
RMS Forward Current I
Surge Forward Current I
Operating JunctionTemperature Range

Storage Temperature Range

Symbol 31DF4

V

400

RRM

V

440

RSM

1.5

3.0

4.71 A

F(RMS)

60

FSM

Tjw - 40 to + 150

Tstg - 40 to + 150

Ta=29°C ∗1
Ta=25°C ∗2

50Hz Half Sine Wave,1cycle,
Non-repetitive

50Hz Half Sine
Wave Resistive Load

Unit

V
V

A

A

°C
°C

Electrical/Thermal • Characteristics

Characteristics

Peak Reverse Current
Peak Forward Voltage
Reverse Recovery Time
Thermal Resistance

(Junction to Ambient)

∗1: Without Fin or P.C. Board
∗2: With Fin:20x20x1t(mm):Copper plates, L=5mm, Both Sides

Symbol Conditions Min. Typ. Max. Unit

I

V

trr

Rth(j-a)

Tj= 25°C, V

RM

Tj= 25°C, I

FM

Ta= 25°C, I

∗1:Without Fin.
∗2:With Fin

RM

FM

FM

= V

= 3 A

=3 A –di/dt=50A/µs

RRM

- - 20

- - 1.25 V
30 ns

- -

80
34

µA

°C/W





31DF4 OUTLINE DRAWING (Dimensions in mm)

