LightKey

SPEC NO: DS10121718

REV: A.4

CHECKED: Emily Zhou

APPROVED: M.H. Lin

PAGE: 2/3

HTTP://WWW.DISPLAY-LEDS.COM

TEL: 0086-574-86322282

DATE: Jul/20/2011

Datasheet of 0.56 inch Four Digit 7 Segment LED Display

Internal Circuit Diagram

LD5641A (Common Cathode)

11

4

7

2 1105 3

A

DIG.2

BC D E

G

FDP

12

DIG.1

D

ABC

E F G

9

DIG.3

C

DP AB

DE

F

8

DP

GA B C D E

6

G

FDP

DIG.4

LD5641B (Common Anode)

11

4

72 1 10 5 3

A

DIG.2

12

BC D

E

G

FDP

DIG.1

D

AB C

E F G

9

DIG.3

C

DP A B

D E

F

8

DP

GA B C D E

6

G

FDP

DIG.4

Selection Guide

Four Digits 7 Segment LED Display, Digit Height: 14.20mm(0.56inch), External Dimensions:

50.30x19.00x8.00mm (L x W x H)

Part No.

Chip

Iv@IF=20mA

Iv@IF=20mA

One Seg

One DP

Common

Cathode

Common

Anode

Material

Color

WLD

Min.

Typ.

Min.

Typ.

LD5641AR

LD5641BR

GaAlAs

Super Red

640

8

10

8

10

LD5641AD

LD5641BD

GaAlAs

Hi-Red

640

18

25

18

25

LD5641AO

LD5641BO

GaAsP

Orange

625

7

9

7

9

LD5641AY

LD5641BY

GaAsP

Yellow

588

8

10

8

10

LD5641AG

LD5641BG

GaP

Green

568

7

9

7

9

LD5641AUR

LD5641BUR

AlGaInP

Ultra Red

640

30

45

30

45

LD5641AUO

LD5641BUO

AlGaInP

Ultra Orange

625

45

60

45

60

LD5641AUA

LD5641BUA

AlGaInP

Ultra Amber

605

30

45

30

45

LD5641AUY

LD5641BUY

AlGaInP

Ultra Yellow

595

30

45

30

45

LD5641AUG

LD5641BUG

AlGaInP

Ultra Green

573

30

45

30

45

LD5641APG

LD5641BPG

InGaN

Pure Green

525

120

300

120

300

LD5641AUB

LD5641BUB

InGaN

Ultra Blue

470

30

45

30

45

LD5641AUW

LD5641BUW

InGaN

Ultra White

\

100

120

100

120

Unit:

\

\

\

nm

mcd

mcd

mcd

mcd