LightKey

SPEC NO: DS10121706

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 0.54 inch Dual Digit 14 Segment LED Display

Internal Circuit Diagram

LD5321A (Common Cathode)

14

6 17 15

2

5

4

8

DIG.1

KL

16

H

G2

J

11

DP

MN

DIG.2

7

12 10 9

1 18

DE

B

AC

F

13

G1

C

AB

E

DM

L

K

J

H

G2

G1

FN

3

NO CONNECT

DP

LD55321B (Common Anode)

5

9

10

12

14

15

17

6

13

18

1

7

D

B

AC

F

DIG.1

G1 G2 H

J

K

L

E

8

2

4

DP

NC

AB

D

M

DIG.2

L

K

J

H

G2

G1

EF

16

11

DP

MN

3

NO CONNECT

Selection Guide

Dual Digit 14 Segment LED Display, Digit Height:13.60mm(0.53 inch), External Dimensions:

25.10x21.20x8.50mm (L x W x H)

Part No.

Chip

One Seg

One DP

Common

Cathode

Common

Anode

Material

Color

WLD

Min.

Typ.

Min.

Typ.

LD5321AR

LD5321BR

GaAlAs

Super Red

640

8

10

8

10

LD5321AD

LD5321BD

GaAlAs

Hi-Red

640

18

25

18

25

LD5321AO

LD5321BO

GaAsP

Orange

625

7

9

7

9

LD5321AY

LD5321BY

GaAsP

Yellow

588

8

10

8

10

LD5321AG

LD5321BG

GaP

Green

568

7

9

7

9

LD5321AUR

LD5321BUR

AlGaInP

Ultra Red

640

30

45

30

45

LD5321AUO

LD5321BUO

AlGaInP

Ultra Orange

625

45

60

45

60

LD5321AUA

LD5321BUA

AlGaInP

Ultra Amber

605

30

45

30

45

LD5321AUY

LD5321BUY

AlGaInP

Ultra Yellow

595

30

45

30

45

LD5321AUG

LD5321BUG

AlGaInP

Ultra Green

573

30

45

30

45

LD5321APG

LD5321BPG

InGaN

Pure Green

525

120

300

120

300

LD5321AUB

LD5321BUB

InGaN

Ultra Blue

470

30

45

30

45

LD5321AUW

LD5321BUW

InGaN

Ultra White

\

100

120

100

120

Unit:

\

\

\

nm

mcd

mcd

mcd

mcd