HDSM-281B/283B
0.28inch (7.0mm)
Single digit surface mount LED display
Data Sheet
Description
This is 0.28 inch (7.0mm) height single digit display. This
device utilizes InGaN/SiC blue LED chips. This device with
top surface gray and 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
Ordering Information
Blue
HDSM-281B
HDSM-283B
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.
CAUTION:
LEDs are Class 1A ESD sensitive per JESD22-A114C.01.
Please observe appropriate precautions during handling and processing.
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 DP1
CATHODE F
COMMON ANODE
CATHODE A
CATHODE B
CATHODE DP2
CATHODE C
COMMON ANODE
CATHODE D
CATHODE E
Connection
ANODE G
ANODE DP1
ANODE F
COMMON CATHODE
ANODE A
ANODE B
ANODE DP2
ANODE C
COMMON CATHODE
ANODE D
ANODE E
Internal Circuit Diagram (Common Anode)
4, 9
Internal Circuit Diagram (Common Cathode)
4, 9
A
B
C
D
E
F
G
DP1
DP2
A
B
C
D
E
F
G
DP1
DP2
5
6
8
10
11
3
1
2
7
5
6
8
10
11
3
1
2
7
2
Absolute Maximum Ratings @ T
A
=25°C
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
Blue
100
80
25
0.25
5
-40°C to +105°C
-40°C to +105°C
Unit
mW
mA
mA
mA/°C
V
Caution in ESD: Static Electricity and surge damages the LED. It is recommended to use a wrist strap or anti-electrostatic glove when handing the LED.
All devices, equipment and machinery must be properly grounded.
Electrical / Optical Characteristics @ T
A
=25°C
Blue
Parameter
Average Luminous Intensity
Emission Wavelength
Spectral Line Half-Width
Forward Voltage, Per Segment
Reverse Current, Per Segment
Luminous Intensity Matching Ratio
Symbol
I
V
Op/Od
'O
V
F
I
R
I
V-m
Min.
3.4
–
–
–
–
–
Typ.
6
462/470
26
3.3
–
–
Max.
–
–
–
4.0
100
2:1
Unit
mcd
nm
nm
V
PA
–
Test Condition
I
F
= 10 mA
I
F
= 20 mA
I
F
= 20 mA
I
F
= 20 mA
V
R
= 5 V
I
F
= 10 mA
3
Typical Electrical / Optical characteristic Curves @ T
A
=25°C
Blue
1.0
Relative Luminous Intensity
B
40
B
Forward Current I
F
(mA)
30
0.5
20
10
0
400
450
500
550
600
Wavelength
650
700
0
1.0
2.0
4.0
3.0
Forward Voltage (V)
5.0
6.0
Figure 1. Relative luminous intensity vs. wavelength
Figure 2. Forward current vs. forward voltage
40
Relative Luminous Intensity
(Normalized To 1 At 10 mA)
4
Forward Current I
F
(mA)
30
B
20
3
B
2
10
1
0
0
10
20
30
40 50 60 70 80
Ambient Temperature (°C)
90
100 110
0
0
5
10
15
20 25 30 35
Forward Current (mA)
40
45
50
Figure 3. Allowable DC current vs. ambient temperature
Figure 4. Relative intensity vs. forward current
4
Intensity Bin Limit (mcd)
Blue
Iv Bin Category
L
M
N
Tolerance +/-15%
Note:
1. Bin categories are established for classification of products. Products
may not be available in all categories. Please contact your Avago
representative for information on currently available bins.
Min
3.401
5.401
8.601
Max
5.400
8.600
13.700
SMT Soldering Profile
Pb free reflow soldering Profile
Recommended soldering pattern (unit: mm)
1.27 x
5
=
6.35
10 -
30
SEC.
TEMPERATURE
217°C
200°C
150°C
3°C/SEC.
MAX.
60
- 120 SEC.
TIME
(Acc. to J-STD-020C)
Notes:
1. The peak temperature refers to the peak package body temperature.
2. Number of reflow process shall be limited to maximum 2 times only.
Cooling process to normal temperature is required between first and
second soldering process.
250°C
3°C/SEC.
MAX.
6°C/SEC.
MAX.
3
7.8
100 SEC. MAX.
0.8
Recommended stencil window opening is 80%
5
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