Data Sheet
Broadcom AV02-0980EN
September 7, 2018
Description
The Broadcom® HDSM-281x/283x is a single-digit display
of 0.28 in. (7.0 mm) height. This device uses AlInGaP/GaAs
chips and has a grey top surface with white segments.
Features
0.28 in. digit height
Low current operation
Excellent characters appearance
Available in CA and CC
1000 pieces per reel
Moisture sensitivity level: Level 3
RoHS compliant
Ordering Information
Red Green Yellow Orange Description
HDSM-281C HDSM-281H HDSM-281F HDSM-281L Common Anode, Upper and Lower Decimal
HDSM-283C HDSM-283H HDSM-283F HDSM-283L Common Cathode, Upper and Lower Decimal
HDSM-281x/283x
0.28 in. (7.0 mm) Single-Digit Surface-Mount
LED Display
Broadcom AV02-0980EN
2
HDSM-281x/283x Data Sheet 0.28 in. (7.0 mm) Single-Digit Surface-Mount LED Display
Package Dimensions
NOTE:
1. All dimensions are in millimeters (inches).
2. Tolerance ± 0.25 mm (0.01 in.) unless otherwise noted.
HDSM-281x/283x Data Sheet 0.28 in. (7.0 mm) Single-Digit Surface-Mount LED Display
Broadcom AV02-0980EN
3
Pin Connection (Common Anode)
Internal Circuit Diagram (Common
Anode)
Pin Connection (Common Cathode)
Internal Circuit Diagram (Common
Cathode)
Absolute Maximum Ratings at TA = 25°C
Pin Number Connection
1CATHODE G
2CATHODE DP1
3CATHODE F
4COMMON ANODE
5CATHODE A
6CATHODE B
7CATHODE DP2
8CATHODE C
9COMMON ANODE
10 CATHODE D
11 CATHODE E
4,9
A
BCDEFG DP1 DP2
56810
11 3127
Pin Number Connection
1 ANODE G
2 ANODE DP1
3 ANODE F
4 COMMON CATHODE
5 ANODE A
6 ANODE B
7 ANODE DP2
8 ANODE C
9 COMMON CATHODE
10 ANODE D
11 ANODE E
4,9
A
BCDEFG DP1 DP2
56810
11 3127
Parameter Green/Yellow/Red/Orange Units
Power Dissipation Per Segment 65 mW
Peak Forward Current Per Segment (1/10 Duty Cycle, 0.1-ms pulse width) 100 mA
Continuous Forward Current Per Segment
Derating Linearly From 25°C Per Segment
25 mA
0.25 mA/°C
Reverse Voltage Per Segment 5V
Operating Temperature Range –40°C to +105°C
Storage Temperature Range –40°C to +105°C
Broadcom AV02-0980EN
4
HDSM-281x/283x Data Sheet 0.28 in. (7.0 mm) Single-Digit Surface-Mount LED Display
Electrical/Optical Characteristics at TA = 25°C
Green
Yellow
Red
Orange
Parameters Symbol Min. Typ. Max. Units Test Condition
Average Luminous Intensity IV3.4 6 — mcd IF = 10 mA
Emissions Wavelength p/d— 572/571 — nm IF = 20 mA
Spectral Line Half-Width  —20—nmI
F = 20 mA
Forward Voltage, Per Segment VF—2.12.6 VI
F = 20 mA
Reverse Current, Per Segment IR——100µAV
R = 5V
Luminous Intensity Matching Ratio IV-M ——2:1 I
F = 10 mA
Parameters Symbol Min. Typ. Max. Units Test Condition
Average Luminous Intensity IV3.4 8.0 — mcd IF = 10 mA
Emissions Wavelength p/d— 591/589 — nm IF = 20 mA
Spectral Line Half-Width  —15—nmI
F = 20 mA
Forward Voltage, Per Segment VF—2.12.6 VI
F = 20 mA
Reverse Current, Per Segment IR——100µAV
R = 5V
Luminous Intensity Matching Ratio IV-M ——2:1 I
F = 10 mA
Parameters Symbol Min. Typ. Max. Units Test Condition
Average Luminous Intensity IV3.4 7.5 — mcd IF = 10 mA
Emissions Wavelength p/d— 644/630 — nm IF = 20 mA
Spectral Line Half-Width  —20—nmI
F = 20 mA
Forward Voltage, Per Segment VF—2.02.6 VI
F = 20 mA
Reverse Current, Per Segment IR——100µAV
R = 5V
Luminous Intensity Matching Ratio IV-M ——2:1 I
F = 10 mA
Parameters Symbol Min. Typ. Max. Units Test Condition
Average Luminous Intensity IV3.4 8.5 — mcd IF = 10 mA
Emissions Wavelength p/d—611/605— nmI
F = 20 mA
Spectral Line Half-Width  —20—nmI
F = 20 mA
Forward Voltage, Per Segment VF—2.12.6 VI
F = 20 mA
Reverse Current, Per Segment IR——100µAV
R = 5V
Luminous Intensity Matching Ratio IV-M ——2:1 I
F = 10 mA
Broadcom AV02-0980EN
5
HDSM-281x/283x Data Sheet 0.28 in. (7.0 mm) Single-Digit Surface-Mount LED Display
Typical Electrical/Optical Characteristic Curves at TA = 25°C
Green
Figure 1: Relative Luminous Intensity vs. Wavelength Figure 2: Relative Luminous Intensity vs. Forward Current
0
400
0.5
1.0.
550450 500 600 650 700
RELATIVE LUMINOUS INTENSITY
WAVELENGTH(nm)
G
1
0 05 10 15 20 25 45
30 35 40 50
2
3
4
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 10MA)
FORWARD CURRENT IF(mA)
G
Figure 3: Allowable DC Current vs. Ambient Temperature Figure 4: Forward Current vs. Forward Voltage
80
20
0
0
10
40
2010 30 6050 70
30
40
90 100 110
FORWARD CURRENT IF(mA)
AMBIENT TEMPERATURE(°C)
G
20
1.2
10
30
40
1.6 2.0 2.4 2.8 3.2
FORWARD CURRENT IF(mA)
FORWARD VOLTAGE(V)
.
0
G
Broadcom AV02-0980EN
6
HDSM-281x/283x Data Sheet 0.28 in. (7.0 mm) Single-Digit Surface-Mount LED Display
Typical Electrical/Optical Characteristic Curves at TA = 25°C
Yellow
Figure 5: Relative Intensity vs. Wavelength Figure 6: Relative Intensity vs. Forward Current
1.0
0.5
0
RELATIVE INTENSITY
WAVELENGTH(nm)
400 550450 500 600 650 700
4
0
1
2
3
RELATIVE INTENSITY
(NORMALIZED TO 1 AT 10mA)
FORWARD CURRENT IF(mA)
0510 15 20 25 45
30 35 40 50
Figure 7: Allowable DC Current vs. Ambient Temperature Figure 8: Forward Current vs. Forward Voltage
0
30
20
10
40
FORWARD CURRENT I
F
(mA)
AMBIENT TEMPERATURE(°C)
80
040
2010 30 6050 70 90 100 110
0
20
10
30
40
FORWARD CURRENT I
F
(mA)
FORWARD VOLTAGE(V)
1.0 1.5 2.0 2.5 3.0 3.5
Broadcom AV02-0980EN
7
HDSM-281x/283x Data Sheet 0.28 in. (7.0 mm) Single-Digit Surface-Mount LED Display
Typical Electrical/Optical Characteristic Curves at TA = 25°C
Red
Figure 9: Relative Intensity vs. Wavelength Figure 10: Relative Luminous Intensity vs. Forward Current
1.0
0.5
0
WAVELENGTH(nm)
400 550450 500 600 650 700
R
RELATIVE LUMINOUS INTENSITY
4
0
1
2
3
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 10mA)
FORWARD CURRENT IF(mA)
05
10 15 20 25 45
30 35 40 50
R
Figure 11: Allowable DC Current vs. Ambient Temperature Figure 12: Forward Current vs. Forward Voltage
FORWARD CURRENT I
F
(mA)
FORWARD VOLTAGE(V)
20
1.2
10
30
40
1.6 2.0 2.4 2.8 3.2
0
R
Broadcom AV02-0980EN
8
HDSM-281x/283x Data Sheet 0.28 in. (7.0 mm) Single-Digit Surface-Mount LED Display
Typical Electrical/Optical Characteristic Curves at TA = 25°C
Orange
Figure 13: Relative Intensity vs. Wavelength Figure 14: Relative Intensity vs. Forward Current
1.0
0.5
0
RELATIVE INTENSITY
WAVELENGTH(nm)
550450 500 600 650 700 750
4
0
1
2
3
(NORMALIZED TO 1 AT 10mA)
FORWARD CURRENT IF(mA)
05
10 15 20 25 45
30 35 40 50
RELATIVE INTENSITY
Figure 15: Allowable DC Current vs. Ambient Temperature Figure 16: Forward Current vs. Forward Voltage
100 105
0
10
20
30
40
FORWARD CURRENT IF(mA)
AMBIENT TEMPERATURE(°C)
040
2010 30 6050 70 80 90
0
20
10
30
40
FORWARD CURRENT IF(mA)
FORWARD VOLTAGE(V)
1.0 1.5 2.0 2.5 3.0 3.5
Broadcom AV02-0980EN
9
HDSM-281x/283x Data Sheet 0.28 in. (7.0 mm) Single-Digit Surface-Mount LED Display
Intensity Bin Limits (mcd)
Yellow/Red/Orange/Green
Tolerance: ± 15%.
NOTE: Bin categories are established for classification
of products. Products may not be available in all
categories. Contact your Broadcom
representative for information on currently
available bins.
IV Bin Category Min. Max.
L 3.401 5.400
M 5.401 8.600
N 8.601 13.700
P 13.701 21.800
SMT Soldering Profile
Pb-Free Reflow Soldering Profile
NOTE:
1. The peak temperature refers to the peak
package body temperature.
2. The number of reflow processes shall be
limited to a maximum of twice only. A cooling
process to normal temperature is required
between the first and second soldering
processes.
Recommended Soldering Pattern
(Unit: mm)
250°C
TIME
TEMPERATURE
6°
C/SEC. MAX.
100 SEC. MAX.
60 - 120 SEC.
3°C/SEC. MAX.
3°C/SEC. MAX.
10 - 30 SEC.
150°C
200°C
217°C
(Acc. to J-STD-020C)
3
1.27 x 5 = 6.35
7.8
0.8
Recommended stencil window opening is 80%
Broadcom AV02-0980EN
10
HDSM-281x/283x Data Sheet 0.28 in. (7.0 mm) Single-Digit Surface-Mount LED Display
Tape Specification (Unit: mm)
12.00 ± 0.1
4.00 ± 0.1
1.75 ± 0.1
22.25
11.50
4.0
0.35
24.00
+0.30
0.10
Ø1.5 +0.10
0.00
Ø1.5 +0.10
0.00
2.00 ± 0.1
Broadcom, the pulse logo, Connecting everything, Avago Technologies, Avago, and the A logo are among the trademarks
of Broadcom and/or its affiliates in the United States, certain other countries, and/or the EU.
Copyright © 2011–2018 Broadcom. All Rights Reserved.
The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. For more information, please visit www.broadcom.com.
Broadcom reserves the right to make changes without further notice to any products or data herein to improve reliability,
function, or design. Information furnished by Broadcom is believed to be accurate and reliable. However, Broadcom does
not assume any liability arising out of the application or use of this information, nor the application or use of any product or
circuit described herein, neither does it convey any license under its patent rights nor the rights of others.