Agilent HLMP-CW78, HLMP-CW79,
T-1 3/4 Precision Optical
Performance White LED
Data Sheet
Description
This high intensity white LED
lamp is based on InGaN
material technology. A blue LED
die is coated by phosphor to
produce white. The typical
resulting color is described by
the coordinates x = 0.32, y =
0.32 using the 1931 CIE
Chromaticity Diagram.
Package Dimensions
Package Dimension of HLMP-CW78
This T- 1 3/4 lamp is untinted,
diffused, and incorporate
precise optics which produce
well defined spatial radiation
patterns at specific viewing
cone angle.
Benefit
• Reduced Power Consumption,
Higher Reliability, and Increased
Optical/Mechanical Design
Flexibility Compared to
Incandescent Bulbs and Other
Alternative White Light
SourcesPackage Dimension
Features
• Highly Luminous White Emission
• 70
o
viewing angle
• New InGaN flip chip die technology
with protective diode.
• ESD class 3
Applications
• Electronic Signs and Signals
• Small Area Illumination
• Legend Backlighting
• General Purpose Indicators
2.35 max
.093
1.14±0.20
.045±.008
0.70 max
.028
0.50±0.10 sq. typ.
.020±.004
ø5.80±0.20
.228±.008
5.00±0.20 note#1
.197±.008
cathode
lead
31.60 min
1.244
2.54±0.38
.100±.015
8.71±0.20
.343±.008
1.00 min
.039
cathode
flat
Package Dimension of HLMP-CW79
1.14±0.20
.045±.008
8.71±0.20
.343±.008
1.50±0.15
.059±.006
0.70 max
.028
NOTES:
1. MEASURED JUST ABOVE FLANGE.
ø
5.80±0.20
0.50±0.10 sq. typ.
.020±.004
2.54±0.38
.100±.015
.228±.008
5.00±0.20 note#1
.197±.008
cathode
lead
31.60 min
1.244
12.52±0.25
.493±0.010
1.00 min
.039
cathode
flat
Device Selection Guide
Luminous Intensity (mcd) @ 20mA
Part Number
HLMP-CW78-LP0xx
HLMP-CW79-LP0xx
Notes:
1. Tolerance for luminous intensity measurement is +/- 15%
2. The luminous intensity is measured on the mechanical axis of the lamp package.
3. The optical axis is closely aligned with the package mechanical axis.
Typ. Viewing Angle
Minimum
70°
70°
400
400
Typical
670
670
Standoff Leads
No
Yes
Part Numbering System
H L M P - C W XX - X
X X XX
Mechanical Option
00: Bulk
DD: Ammo Pack Straight Leads
Color Bin Options
0: Full color bin distribution
Maximum Intensity Bin
Refer to Device Selection Guide
Minimum Intensity Bin
Refer to Device Selection Guide
Viewing Angle
78: 70 without standoff
79: 70 ˚ with standoff
Color Options
W: White
Package Options
C: T-1 3/4
2
Absolute Maximum Ratings (T
A
= 25°C)
Parameter
DC Forward Current
[1]
Peak Forward Current
Average Forward Current
Power Dissipation
LED Junction Temperature
Operating Temperature Range
Storage Temperature Range
Notes:
1. Derate linearly as shown in Figure 5.
2. Duty factor 30%, frequency 1kHz
Value
30
100
30
120
130
-40 to +85
-40 to +100
Units
mA
mA
mA
mW
°C
°C
°C
Electrical/Optical Characteristics (T
A
= 25
o
C)
Parameters
Forward voltage
Capacitance
Reverse Voltage
[1]
Thermal resistance
Viewing Angle
[2]
Chromaticity Coordinate
[3]
Notes:
2. 2
θ
1/2
is the off-axis angle where the luminous intensity is ½ the on axis intensity
1. The reverse voltage of the product is equivalent to the forward voltage of the protective chip at I
R
= 10
µ
A
Symbol
V
F
C
V
R
Rθ
J-PIN
2θ
1/2
X
Y
Minimum
Typical
3.4
53
0.6
240
70
0.31
0.32
Maximum
4.0
Units
V
pF
V
o
C/W
Test Condition
I
F
= 20 mA
V
F
=0, f=1 MHz
I
R
= 10
µA
LED Junction to cathode lead
I
F
= 20 mA
I
F
= 20 mA
Degree
3. The chromaticity coordinates are derived from the CIE 1931 Chromaticity Diagram and represent the perceived color of the device.
3
1.0
0.8
Relative Intensity
0.6
0.4
0.2
0.0
380
30
Forward Current (mA)
20
10
0
480
580
Wavelength (nm)
680
780
0
1
2
Forward Voltage (V)
3
4
Figure 1. Relative Intensity vs. Wavelength
Figure 2. Forward Current vs. Forward Voltage
Maximum Forward Current (mA)
1.5
Relative Luminous Intensity
1.2
0.9
0.6
0.3
0.0
0
10
20
DC Forward Current (mA)
30
35
30
25
20
15
10
5
0
0
20
40
60
Ambient Temperature (C)
80
100
R
θJ-A
= 780˚ C/W
R
θJ-A
= 585˚ C/W
Figure 3. Relative lv vs. Forward Current
Figure 4. Maximum Forward Current vs. Temperature
0.020
1mA
Relative Luminous Intensity
0.004
0.015
5mA
Y-Coordinates
0.010
0.005
20mA
0
-0.005
30mA
25mA
15mA
10mA
1.0
0.8
0.6
0.4
0.2
0.0
-90
-0.010
-0.004
-0.002
0
X-Coordinates
0.002
-60
-30
0
30
60
Angular Displacement (Degree)
90
Figure 5. Chromaticity Coordinate Change over Forward Current
Figure 6. Radiation Pattern
4
Intensity Bin Limits (mcd at 20 mA)
Bin
L
M
N
P
Min.
400
520
680
880
Max.
520
680
880
1150
Color Bin Limit Tables
Limits
(Chromaticity Coordinates)
x
y
x
y
x
y
x
y
0.330
0.360
0.287
0.295
0.264
0.267
0.283
0.305
0.330
0.318
0.296
0.276
0.280
0.248
0.287
0.295
0.356
0.351
0.330
0.318
0.296
0.276
0.330
0.339
0.361
0.385
0.330
0.339
0.283
0.305
0.330
0.360
Rank
1
2
3
4
Tolerance for each bin limit is
±
15%.
Tolerance for each bin limit is
±
0.01
Note:
1. Bin categories are established for classification of products. Products may not be available in all bin
categories. Please contact your Agilent representative for information on currently available
Color Bin Limits with Respect to CIE 1931 Chromaticity Diagram
0.40
0.35
4
Y-coordinate
0.30
3
0.25
2
1
Black Body Curve
0.20
0.26
0.3
X-coordinate
0.34
0.38
5
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