LightKey

SPEC NO: DS10121494

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 0.80 inch Three Digit 7 Segment LED Display

Internal Circuit Diagram

LD8031A (Common Cathode)

11

A

E

8

6 NO CONNECT

10

DIG.1

D

74

B

BC

21

EF

12

53

GDP

B

B

AC

DP

DE

G

F

9

DIG.2

AB

BD

CF

G

DP

DIG.3

LD8031B (Common Anode)

11

A

E

8

6 NO CONNCET

10

DIG.1

74

2

1

D

B

BC

E

F

12

53

GDP

B

B

AC

DP

DE

9

G

F

DIG.2

AB

BD

CF

G

DIG.3

DP

Selection Guide

Three Digit 7 Segment LED Display, Digit Height:20.30mm(0.80 inch), External Dimensions: 59.2

0x27.50x8.30mm (L x W x H )

Part No.

Chip

One Seg

One DP

Common

Cathode

Common

Anode

Material

Color

WLD

Min.

Typ.

Min.

Typ.

LD8031AR

LD8031BR

GaAlAs

Super Red

640

8

10

8

10

LD8031AD

LD8031BD

GaAlAs

Hi-Red

640

18

25

18

25

LD8031AO

LD8031BO

GaAsP

Orange

625

7

9

7

9

LD8031AY

LD8031BY

GaAsP

Yellow

588

8

10

8

10

LD8031AG

LD8031BG

GaP

Green

568

7

9

7

9

LD8031AUR

LD8031BUR

AlGaInP

Ultra Red

640

30

45

30

45

LD8031AUO

LD8031BUO

AlGaInP

Ultra Orange

625

45

60

45

60

LD8031AUA

LD8031BUA

AlGaInP

Ultra Amber

605

30

45

30

45

LD8031AUY

LD8031BUY

AlGaInP

Ultra Yellow

595

30

45

30

45

LD8031AUG

LD8031BUG

AlGaInP

Ultra Green

573

30

45

30

45

LD8031APG

LD8031BPG

InGaN

Pure Green

525

120

300

120

300

LD8031AUB

LD8031BUB

InGaN

Ultra Blue

470

30

45

30

45

LD8031AUW

LD8031BUW

SMD

Ultra White

\

100

120

100

120

Unit:

\

\

\

nm

mcd

mcd

mcd

mcd