Low cost

Diffused junction

Low leakage

Low forward voltage drop

High current capability

and similar solvents

Case:JEDEC DO-41,molded plastic

Polarity: Color band denotes cathode

Weight: 0.34 grams

Mounting position: Any

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25

ambient temperature unless otherwise specified.

Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.

1N

4946

1N

4947

1N

4948

UNITS

Maximum recurrent peak reverse voltage

600

800

1000

V

Maximum RMS voltage

420

560

700

V

Maximum DC blocking voltage

600

800

1000

V

Maximum average forw ard rectified current

9.5mm lead length,

@T

Peak f orw ard surge current

8.3ms single half-sine-w ave

superimposed on rated load

@T

Maximum instantaneous forw ard voltage

@ 1.0 A

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

NOTE:1. Measured with I

150

250

500

12

VOLTAGE RANGE: 200 --- 1000 V

CURRENT: 1.0 A

400

1N

4944

1.0

A

The plastic material carries U/L recognition 94V-0

30.0

5.0

100

1.3

A

3. Thermal resistance f rom junction to ambient.

A

2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.

- 55---- +150

- 55---- + 150

55

DO - 41

200

140

200

1N

4942

Easily cleaned with Freon,Alcohol,Isopropanol

400

280

Dimensions in millimeters

1N4942-1N4948

Fast Recovery Rectifiers

Features

Mechanical Data

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