Agilent HSMx-C540
Oval Lens High Performance
Surface Mount LEDs
Data Sheet
Features
• Super wide viewing angle
Major axis 100°
Minor axis 40°
• Smooth, consistent spatial
radiation pattern
• Small 2.0 x 1.25 mm footprint
LED Part Numbers HSMA-C540, HSMC-C540,
HSMM-C540, HSMN-C540, HSMU-C540, HSMZ-C540
Description
These high performance
HSMx-C540 surface mount LEDs
are specifically designed for indoor
full color signs and passenger infor-
mation signs. The oval shaped
radiation pattern (40° x 100°) and
high luminous intensity ensure that
these devices are excellent for wide
field of view indoor applications.
These lamps have a very smooth
matched radiation pattern that
ensures consistent color mixing in
full color applications, and message
uniformity across the viewing angle
of the sign.
High efficiency LED dice are used
in these LED components. InGaN
(Indium Gallium Nitride) for green
and blue and AlInGaP (Aluminium
Indium Gallium Phosphide) for red
and amber are capable of produc-
ing high light output.
The HSMx-C540 has an industry
standard 2.0 x 1.25 mm footprint
that is excellent for all-around use.
These solid state surface mount
LEDs are designed with a reflector
cup and oval shape dome which
provides directional lighting. The
reflector cup focuses the light
more efficiently to provide higher
intensity compared to a
nonreflector cup equivalent part.
The oval dome produces oval
radiation pattern for wide field of
view indoor applications.
All packages are compatible with
IR soldering process and are
shipped in tape and reel with
3000 units per reel.
• High luminous output
• Compatible with IR solder reflow
• Colors available: 626/629 nm red,
590 nm amber, 525 nm green,
470 nm blue
• Available in 8 mm tape on 7"
(178 mm) diameter reels
• Tinted, non-diffused epoxy
Applications (Indoor)
• Indoor full color sign
• Commercial indoor advertising
• Indoor variable message sign
• Status indication
• Front panel indicator
Benefits
• Viewing angle designed for wide
field of view application
• Red, green, blue radiation patterns
matched for indoor full color signs
• Small package footprint enables
small pitch size for full color signs
• Superior for indoor full color signs
CAUTION:
HSMM-C540 and HSMN-C540 LEDs are Class 1 ESD sensitive. Please observe appropriate precautions
during handling and processing. Refer to Agilent Technologies Application Note AN-1142 for additional details.
Absolute Maximum Ratings at T
A
= 25˚C
Parameter
DC Forward Current
[1]
Peak Pulsing Current
[2]
Power Dissipation
Reverse Voltage (I
R
= 10
µA)
Reverse Voltage (I
R
= 100
µA)
LED Junction Temperature
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
Notes:
1. Derate linearly as shown in Figure 4.
2. Pulse condition of 1/10 duty and 0.1 ms width.
AlInGaP
30
100
78
–
5
95
–40 to +85
–40 to +100
InGaN
25
100
105
5
–
95
–40 to +85
–40 to +100
See IR soldering profile (Figure 8)
Units
mA
mA
mW
V
V
˚C
˚C
˚C
Electrical Characteristics at T
A
= 25˚C
Forward Voltage
V
F
(Volts)
@ I
F
= 20 mA
Typ.
Max.
2.0
2.0
3.8
3.8
2.2
2.2
2.6
2.6
4.2
4.2
2.6
2.6
Reverse Breakdown
V
R
(Volts)
@ I
R
= 100
µA
Min.
5
5
–
–
5
5
Reverse Breakdown
V
R
(Volts)
@ I
R
= 10
µA
Min.
–
–
5
5
–
–
Capacitance C
(pF), V
F
= 0,
f = 1 MHz
Typ.
17
17
50
50
30
30
Thermal
Resistance
Rθ
J–PIN
(˚C/W)
Typ.
485
485
380
380
485
485
Part Number
HSMA-C540
HSMC-C540
HSMM-C540
HSMN-C540
HSMU-C540
HSMZ-C540
Optical Characteristics at T
A
= 25˚C
Luminous
Intensity
I
V
(mcd)
@ 20 mA
[1]
Min.
Typ.
160
210
230
55
270
350
96
57
26
209
Peak
Wavelength
λ
peak
(nm)
Typ.
592
635
523
468
592
641
Color,
Dominant
Wavelength
λ
d[2]
(nm)
Typ.
590
626
525
470
590
629
Viewing
Angle
2
θ
1/2
Degrees
[3]
Typ.
100°/40°
100°/40°
100°/40°
100°/40°
100°/40°
100°/40°
Luminous
Efficacy
ηV
(lm/w)
Typ.
470
175
475
70
550
145
Part Number
HSMA-C540
HSMC-C540
HSMM-C540
HSMN-C540
HSMU-C540
HSMZ-C540
Color
As AlInGaP Red
InGaN Green
InGaN Blue
TS AlInGaP Red
As AlInGaP Amber 96
TS AlInGaP Amber 157
Notes:
1. The luminous intensity, I
V
, is measured at the peak of the spatial radiation pattern, which may not be aligned with the mechanical axis of the
lamp package.
2. The dominant wavelength,
λ
d
, is derived from the CIE Chromatically Diagram and represents the perceived color of the device.
3.
θ
1/2
is the off-axis angle where the luminous intensity is 1/2 the peak intensity.
3
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