WEJ

ELECTRONIC

CO.,LTD

FEATURES

MECHANICAL DATA

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Low cost construction

Low reverse leakage

High forward surge current capability

High temperature soldering guaranteed:

260 C/10 seconds/0.375 (9.5mm)lead length

at 5 lbs (2,3kg) tension

Transfer molded plastic

UL94V-0 rate flame retardant

Color band denotes cathode end

Plated axial lead ,solderable per MIL-STD-202E

method 208C

Any

0.012 ounce,0.33 gram

Ratings at 25 C ambient temperature unless otherwise specified.

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

For capacitive load derate current by 20%.

o

Case:

Epoxy:

Polarity:

Lead:

Mounting position:

Weight:

o

Fast switching for high efficency.

＂

Maximum RMS Voltage

Maximum Average Forward Rectified Current

0.375

(9.5mm) lead length at T =75 C

”

A

o

Peak Forward Surge Current

8.3ms single half sine-wave superimposed on

rated load (JEDEC Method)

Maximum Instantaneous Forward Voltage at 1.0A

Maximum DC Reverse Current

at rated DC blocking voltage

T =25 C

T =100 C

A

o

A

o

Maximum Reverse Recovery Time(NOTE3)

T =25 C

j

o

Typical Junction Capacitance(NOTE1)

Typical Thermal Resistance(NOTE2)

Operating and Storage Temperature Range

NOTES:

1.Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts.

2.Thermal Resistance from Junction to Ambient at 0.375”(9.5mm) lead length,P.C.board mounted.

3.Reverse Recovery Test Conditions:I =0.5A,I =1.0A,I =0.25A.

F

R

rr

SYMBOLS

UNITS

T ,T

J

STG

-65 to +150

50

200

5.0

1.3

30

1.0

p

F

Dimensions in inches and (millimeters)

VOLTAGE RANGE

CURRENT

200 to 1000 Volts

1.0 Ampere

15

400

400

280

600

600

420

IN4942

200

200

140

IN4944 IN4946 IN4947 IN4948

800

800

560

1000

1000

700

150

250

500

n

S

Maximum Repetitive Peak Reverse Voltage

Maximum DC Blocking Voltage

.034(0.9)

.028(0.7)

DIA.

1.0(25.4)

MIN

.205(5.2)

.165(4.2)

.107(2.7)

.080(2.0)

DIA

DO-41

1.0(25.4)

MIN

FAST RECOVERY RECTIFIER

1N4942-4948

Http:// www.wej.cn

E-mail:wej@yongerjia.com

WEJ ELECTRONIC CO.

RoHS