Low cost

Diffused junction

Low leakage

Low forward voltage drop

Case:JEDEC DO--27,m olded plastic

MIL-STD-202,Method 208

Polarity: Color band denotes cathode

Weight: 0.041ounces,1.15 gram s

Mounting position: Any

Ratings at 25

am bient tem perature unless otherwise specified.

Single phas e,half wave,50Hz,resistive or inductive load. For capacitive load,derate by 20%.

UNITS

Maximum recurrent peak reverse voltage

V

Maximum RMS voltage

V

Maximum DC blocking voltage

V

Maximum average f orw ard rectified current

9.5mm lead length,

@T

Peak forw ard surge current

8.3ms single half -sine-w ave

superimposed on rated load

@T

Maximum instantaneous forw ard voltage

@ I

V

Maximum reverse current

@T

at rated DC blocking voltage

@T

Maximum reverse recovery time

(Note1)

ns

Typical junction capacitance

(Note2)

pF

Typical thermal resistance

(Note3)

/W

Operating junction temperature range

Storage temperature range

2. Measured at 1.0MH

3. Thermal resistance f rom junction to ambient.

A

A

A

NOTE: 1. Measured with I

210

400

280

1.25

1.5

125.0

300

400

Easily cleaned with alcohol,Isopropanol and

sim ilar solvents

Terminals: Axial lead ,solderable per

DO - 27

300

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

31DF3

31DF4

High current capability

VOLTAGE RANGE: 300 --- 400 V

CURRENT: 1.5 A

- 55 ----- + 150

- 55 ----- + 150

5.0

50.0

30

90

34

Dimensions in millimeters

31DF3-31DF4

Super Fast Rectifiers

Features

Mechanical Data

http://www.luguang.cn

mail:lge@luguang.cn