HDSM-291x/293x
0.28” (7.0mm)
Dual digit surface mount LED display
Data Sheet
Description
The HDSM-291x/293x is a dual digit display of 0.28”
(7.0mm) height. This device utilizes AlInGaP / GaAs chips
and has a grey surface with white segments.
Features
x
0.28” digit height
x
Low current operation
x
Excellent characters appearance
x
Available in CA and CC
x
1000 pieces per reel
x
Moisture sensitivity level: Level 3
x
RoHS compliant
Yellow
HDSM-291F
HDSM-293F
Ordering Information
Red
HDSM-291C
HDSM-293C
Green
HDSM-291H
HDSM-293H
Orange
HDSM-291L
HDSM-293L
Description
Common Anode, Upper and Lower Decimal
Common Cathode, Upper and Lower Decimal
Package Dimensions
Notes:
All dimensions are in millimeters (inches).
Tolerance: ± 0.25mm (0.01”) unless otherwise noted.
Pin Connection (Common Anode)
PIN No
1
2
3
4
5
6
7
8
9
10
11
Pin Connection (Common Cathode)
PIN No
1
2
3
4
5
6
7
8
9
10
11
Connection
CATHODE G
CATHODE DP2,DP4
CATHODE A
CATHODE F
COMMON ANODE DIG2
CATHODE D
CATHODE E
CATHODE C
CATHODE B
COMMON ANODE DIG1
CATHODE DP1,DP3
Connection
ANODE G
ANODE DP2,DP4
ANODE A
ANODE F
COMMON CATHODE DIG2
ANODE D
ANODE E
ANODE C
ANODE B
COMMON CATHODE DIG 1
ANODE DP1,DP3
Internal Circuit Diagram (Common Anode)
DIG1
10
DIG2
5
Internal Circuit Diagram (Common Cathode)
DIG1
10
DIG2
5
A
B
C
D
E
F
G DP1 DP2
A
B
C
D
E
F
G DP1 DP2
A
B
C
D
E
F
G DP1 DP2
A
B
C
D
E
F
G DP1 DP2
3
9
8
6
7
4
1
11
2
3
9
8
6
7
4
1
11
2
Absolute Maximum Ratings @ T
A
=25°
Parameter
Power Dissipation Per Segment
Peak Forward Current Per Segment
( 1/10 Duty Cycle. ,0.1ms pulse width)
Continuous Forward Current Per Segment
Derating Linearly From 25°C Per Segment
Reverse Voltage Per Segment
Operating Temperature Range
Storage Temperature Range
Green/Yellow/Red/Orange
65
100
25
0.25
5
-40°C to +105°C
-40°C to +105°C
Unit
mW
mA
mA
mA/ °C
V
2
Electrical
/ Optical Characteristics @ T
A
=25°C
Green
Parameters
Average Luminous Intensity
Emissions Wavelength
Spectral Line Half-Width
Forward Voltage, Per Segment
Reverse Current, Per Segment
Luminous Intensity Matching Ratio
Symbol
I
V
O
p
/O
d
'O
V
F
I
R
I
V-M
Min
3.4
-
-
-
-
-
Typ
6
572/571
20
2.1
-
Max
-
-
-
2.6
100
2:1
Unit
mcd
nm
nm
V
PA
-
Test Condition
I
F
= 10mA
I
F
= 20mA
I
F
= 20mA
I
F
= 20mA
V
R
= 5V
I
F
= 10mA
Yellow
Parameters
Average Luminous Intensity
Emissions Wavelength
Spectral Line Half-Width
Forward Voltage, Per Segment
Reverse Current, Per Segment
Luminous Intensity Matching Ratio
Symbol
I
V
O
p
/O
d
'O
V
F
I
R
I
V-M
Min
3.4
-
-
-
-
-
Typ
8.0
591/589
15
2.1
-
Max
-
-
-
2.6
100
2:1
Unit
mcd
nm
nm
V
PA
-
Test Condition
I
F
= 10mA
I
F
= 20mA
I
F
= 20mA
I
F
= 20mA
V
R
= 5V
I
F
= 10mA
Red
Parameters
Average Luminous Intensity
Emissions Wavelength
Spectral Line Half-Width
Forward Voltage, Per Segment
Reverse Current, Per Segment
Luminous Intensity Matching Ratio
Symbol
I
V
O
p
/O
d
'O
V
F
I
R
I
V-M
Min
3.4
-
-
-
-
-
Typ
7.5
632/624
20
2.0
-
Max
-
-
-
2.6
100
2:1
Unit
mcd
nm
nm
V
PA
-
Test Condition
I
F
= 10mA
I
F
= 20mA
I
F
= 20mA
I
F
= 20mA
V
R
= 5V
I
F
= 10mA
Orange
Parameters
Average Luminous Intensity
Emissions Wavelength
Spectral Line Half-Width
Forward Voltage, Per Segment
Reverse Current, Per Segment
Luminous Intensity Matching Ratio
Symbol
I
V
O
p
/O
d
'O
V
F
I
R
I
V-M
Min
3.4
-
-
-
-
-
Typ
8.5
611/605
20
2.1
-
Max
-
-
-
2.6
100
2:1
Unit
mcd
nm
nm
V
PA
-
Test Condition
I
F
= 10mA
I
F
= 20mA
I
F
= 20mA
I
F
= 20mA
V
R
= 5V
I
F
= 10mA
3
Typical
Electrical
/ Optical characteristic curves @ T
A
=25°C
Green
1.0
.
RELATIVE
LUMINOUS INTENSITY
G
4
RELATIVE
LUMINOUS INTENSITY
(NORMALIZED
TO 1
AT
10MA)
3
2
1
0
G
0.5
0
400
450
500
550
WAVELENGTH(nm)
600
650
700
0
5
10
15
20 25 30 35
FORWARD
CURRENT
I
F
(mA)
40
45
50
Figure 1. Relative
Luminous
Intensity vs.
Wavelength
Figure 2. Relative
Luminous
Intensity vs. Forward Current
40
FORWARD
CURRENT
I
F
(mA)
30
20
10
0
0
10
20
30
40 50 60 70
AMBIENT
TEMPERATURE(°C)
80
90
100 110
FORWARD
CURRENT
I
F
(mA)
40
30
20
10
0
1.2
1.6
G
G
2.0
2.4
FORWARD VOLTAGE(V)
2.8
3.2
Figure 3. Allowable DC Current vs. Ambient Temperature
Figure
4.
Forward Current vs. Forward
Voltage
4
Yellow
1.0
RELATIVE
INTENSITY
(NORMALIZED
TO 1
AT
10mA)
450
500
550
WAVELENGTH(nm)
600
650
700
4
3
2
RELATIVE
INTENSITY
0.5
1
0
0
400
0
5
10
15
20 25 30 35
FORWARD
CURRENT
I
F
(mA)
40
45
50
Figure 1. Relative Intensity vs.
Wavelength
Figure 2. Relative Intensity vs. Forward Current
40
FORWARD
CURRENT
I
F
(mA)
30
20
10
0
0
10
20
30
40 50 60 70 80
AMBIENT
TEMPERATURE(°C)
90
100 110
FORWARD
CURRENT
I
F
(mA)
40
30
20
10
0
1.0
1.5
2.0
2.5
FORWARD VOLTAGE(V)
3.0
3.5
Figure 3. Allowable DC Current vs. Ambient Temperature
Figure
4.
Forward Current vs. Forward
Voltage
5
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