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31DF4 THRU 31DF6

3.0 AMPS. Ultra Fast Recovery Rectifiers

Voltage Range

400 to 600 Volts

Current

3.0 Amperes

Features

Low forward voltage drop

Low power loss, high efficiency

High current capability

High reliability

High surge current capability

Mechanical Data

Case: Molded plastic

Epoxy: UL 94V-O rate flame retardant

Lead: Axial leads, solderable per MIL-

STD-202, Method 208 guaranteed

Polarity: Color band denotes cathode end

High temperature soldering guaranteed:

260

lengths at 5 lbs., (2.3kg) tension

Weight: 1.2 grams

DO-201AD

Dimensions in inches and (millimeters)

Maximum Ratings and Electrical Characteristics

Rating at 25

℃ambient temperature unless otherwise specified.

Single phase, half wave, 60 Hz, resistive or inductive load.

For capacitive load, derate current by 20%

Type Number

Symbol

31DF4

31DF6

Units

Maximum Recurrent Peak Reverse Voltage

400

600

V

Maximum RMS Voltage

280

420

V

Maximum DC Blocking Voltage

400

600

V

Maximum Average Forward Rectified Current

℃ (Note 1)

℃

1.2

3.0

A

Peak Forward Surge Current, 8.3 ms Single

Half Sine-wave Superimposed on Rated Load

(JEDEC method )

45

A

Maximum Instantaneous Forward Voltage

@ 3.0A

1.7

V

℃

at Rated DC Blocking Voltage

20

uA

Maximum Reverse Recovery Time (Note 3)

Trr

35

nS

Typical Thermal Resistance (Note 2)

R

80

℃/W

Operating Temperature Range

-40 to +150

℃

Storage Temperature Range

-40 to +150

℃

Notes: 1. Without Fin or P.C.Board..

2. Thermal Resistance from Junction to Ambient .375”(9.5mm) Lead Length.