LightKey

SPEC NO: DS10121595

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 0.28 inch Four Digit 7 Segment LED Display

Internal Circuit Diagram

LD2841A (Common Cathode)

LD2841B (Common Anode)

Selection Guide

Four Digits 7 Segment LED Display, Digit Height: 7.00mm(0.28inch), External Dimensions:

32.20x10.10x5.80mm (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.

LD2841AR

LD2841BR

GaAlAs

Super Red

640

8

10

8

10

LD2841AD

LD2841BD

GaAlAs

Hi-Red

640

18

25

18

25

LD2841AO

LD2841BO

GaAsP

Orange

625

7

9

7

9

LD2841AY

LD2841BY

GaAsP

Yellow

588

8

10

8

10

LD2841AG

LD2841BG

GaP

Green

568

7

9

7

9

LD2841AUR

LD2841BUR

AlGaInP

Ultra Red

640

30

45

30

45

LD2841AUO

LD2841BUO

AlGaInP

Ultra Orange

625

45

60

45

60

LD2841AUA

LD2841BUA

AlGaInP

Ultra Amber

605

30

45

30

45

LD2841AUY

LD2841BUY

AlGaInP

Ultra Yellow

595

30

45

30

45

LD2841AUG

LD2841BUG

AlGaInP

Ultra Green

573

30

45

30

45

LD2841APG

LD2841BPG

InGaN

Pure Green

525

120

300

120

300

LD2841AUB

LD2841BUB

InGaN

Ultra Blue

470

30

45

30

45

LD2841AUW

LD2841BUW

InGaN

Ultra White

\

100

120

100

120

Unit:

\

\

\

nm

mcd

mcd

mcd

mcd