LightKey
Datasheet of 0.54 inch Dual Digit 14 Segment LED Display
LD5321C/D Series - 0.54 inch Dual Digit 14 Segment LED Display
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
DISCHARGE
SENSITIVE
DEVICES
Features
13.80 mm (0.54 inch) digit high
Excellent digit appearance
Wide viewing angle
Range of emitted colors
I.C. compatible
Low power consumption
White segment, black face
RoHS compliant
Available options
Alternative emitting luminosity:
Standard or high brightness version
Alternative emitted color
Alternative face and segment color
Alternative font
Both CA and CC versions are available
Cropped terminal pins
Package Dimensions
DIG. 1
F
E
DIG. 2
A
H
I
J
B
C
DP
G1 G2
M
L K
D
Notes:
1. All dimensions are in millimeters (inches), Tolerance is + 0.25mm(0.01inch)unless other wise noted.
2. Specifications are subject to change without notice.
3. The gap between the reflector and PCB shall not exceed 0.25mm.
SPEC NO: DS10121707
REV: A.4
CHECKED: Emily Zhou
APPROVED: M.H. Lin
PAGE: 1/3
HTTP://WWW.DISPLAY-LEDS.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
LightKey
Internal Circuit Diagram
LD5321C
Datasheet of 0.54 inch Dual Digit 14 Segment LED Display
LD5321D
Selection Guide
Dual Digit 14 Segment LED Display, Digit Height: 13.80mm(0.54inch), External Dimensions:
25.20x21.10x7.80mm (L x W x H)
Part No.
Common
Cathode
Common
Anode
Chip
Material
GaAlAs
GaAlAs
GaAsP
GaAsP
GaP
AlGaInP
AlGaInP
AlGaInP
AlGaInP
AlGaInP
InGaN
InGaN
InGaN
\
\
Color
Super Red
Hi-Red
Orange
Yellow
Green
Ultra Red
Ultra Orange
Ultra Amber
Ultra Yellow
Ultra Green
Pure Green
Ultra Blue
Ultra White
WLD
640
640
625
588
568
640
625
65
595
573
525
470
\
nm
Iv@IF=20mA
One Seg
Min.
8
18
7
8
7
30
45
30
30
30
120
30
100
mcd
Typ.
10
25
9
10
9
45
60
45
45
45
300
45
120
mcd
Iv@IF=20mA
One DP
Min.
8
18
7
8
7
30
45
30
30
30
120
30
100
mcd
Typ.
10
25
9
10
9
45
60
45
45
45
300
45
120
mcd
LD5321CR
LD5321CD
LD5321CO
LD5321CY
LD5321CG
LD5321CUR
LD5321CUO
LD5321CUA
LD5321CUY
LD5321CUG
LD5321CPG
LD5321CUB
LD5321CUW
Unit:
\
LD5321DR
LD5321DD
LD5321DO
LD5321DY
LD5321DG
LD5321DUR
LD5321DUO
LD5321DUA
LD5321DUY
LD5321DUG
LD5321DPG
LD5321DUB
LD5321DUW
SPEC NO: DS10121707
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
LightKey
Parameter
Datasheet of 0.54 inch Dual Digit 14 Segment LED Display
Electrical Characteristics & Absolute Maximum Ratings
Electrical optical
Characteristics
Forward
Emitted color
Voltage
@ IF=20mA
Typ.
Super Red
Per Seg.
Per DP
Hi-Red
Per Seg.
Per DP
Orange
Per Seg.
Per DP
Yellow
Per Seg.
Per DP
Green
Per Seg.
Per DP
Ultra Red
Per Seg.
Per DP
Ultra Orange
Per Seg.
Per DP
Ultra Amber
Per Seg.
Per DP
Ultra Yellow
Per Seg.
Per DP
Ultra Green
Per Seg.
Per DP
Pure Green
Per Seg.
Per DP
Ultra Blue
Per Seg.
Per DP
Ultra White
Unit:
Notes:
1. At Ta = 25 °C.
2. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse.
[1]
Absolute Maximum Ratings
[1]
Reverse
Current
VR=5V
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
uA
Power
Dissipation
DC
Forward
Current
25
25
25
25
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
mA
Peak
Forward
Current
[2]
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
mA
Max.
2.2
2.2
2.2
2.2
2.5
2.5
2.5
2.5
2.5
2.5
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
4
4
4
4
4
4
V
60
60
60
60
80
80
80
80
80
80
60
60
65
65
65
65
65
65
75
75
110
110
120
120
120
120
mW
1.8
1.8
1.8
1.8
2.1
2.1
2.1
2.1
2.2
2.2
1.9
1.9
2
2
2
2
2
2
2.1
2.1
3.5
3.5
3.5
3.5
3.5
3.5
V
Per Seg.
Per DP
\
SPEC NO: DS10121707
REV: A.4
CHECKED: Emily Zhou
APPROVED: M.H. Lin
PAGE: 3/3
HTTP://WWW.DISPLAY-LEDS.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
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