Technical Data Sheet
3mm 2Pcs Circuit Board Indicator
A2794B/UTCSUBC/S400-A4
Features
․Popular
T-1 colorless 3mm package.
․High
luminous power.
․Typical
chromaticity coordinates x=0.29, y=0.28
according to CIE1931.
․Bulk,
available taped on reel.
․Pb
free .
Descriptions
․The
series is designed for application required
high luminous intensity.
․The
phosphor filled in the reflector converts the
blue emission of InGaN chip to ideal white.
Applications
․Outdoor
Displays
․Optical
Indicators
․Backlighting
․Marker
Lights
Device Selection Guide
Chip
PART NO.
Material
264-15UTC/S400-A4
264-15SUBC/S400-A4
InGaN/Sapphire
InGaN/Sapphire
Emitted Color
White
Super
Blue
Water Clear
Water Clear
Lens Color
Everlight Electronics Co., Ltd.
Device Number: CDLE-020-837
http\\:www.everlight.com
Established date:2005/11/18
Rev: 1
Page: 1 of 8
Established by: GuangXiu Yuan
A2794B/UTCSUBC/S400-A4
Package Dimensions
UTC
SUBC
Notes:
1.All dimensions are in millimeters, and tolerance is 0.25mm except being specified.
2.Lead spacing is measured where the lead emerges from the package.
3.Protruded resin under flange is 1.5mm Max. LED.
Absolute Maximum Ratings (Ta=25℃)
Parameter
Continuous Forward Current
Reverse Voltage
Operating Temperature
Storage Temperature
Soldering Temperature (T=5 sec)
Power Dissipation
Electrostatic Discharge
Everlight Electronics Co., Ltd.
Device Number: CDLE-020-837
Symbol
I
F
V
R
T
opr
T
stg
T
sol
P
d
ESD
http\\:www.everlight.com
Established date:2005/11/18
Rating
25
5
-30 ~ +85
-40 ~ +100
260 ± 5
120
150
Rev: 1
Unit
mA
V
℃
℃
℃
mW
V
Page: 2 of 8
Established by: GuangXiu Yuan
A2794B/UTCSUBC/S400-A4
Electro-Optical Characteristics (Ta=25℃)
Parameter
Forward Voltage
Reverse Current
Luminous Intensity
Viewing Angle
Chromaticity
Coordinates
Symbol
V
F
I
R
I
V
2θ1/2
x
y
Condition
I
F
=20mA
V
R
=5V
I
F
=20mA
I
F
=20mA
I
F
=20mA
------
Min.
--
--
400
--
--
--
264-15UTC/S400-A4
Typ.
3.5
--
800
30
0.29
0.28
Max.
4.0
10
--
--
--
--
Units
V
uA
mcd
deg
Luminous Intensity Combination (
mcd at 20mA)
I
V
Ranks
Min.
Max.
U
400
800
V
630
1250
W
1000
2000
X
----
-----
Measurement Uncertainty of Luminous Intensity:
±15%
Forward Voltage Combination (
V at 20mA)
V
F
Rank
1
2.8
3.0
2
3.0
3.2
3
3.2
3.4
4
3.4
3.6
5
3.6
3.8
6
3.8
4.0
Min.
Max.
*Measurement Uncertainty of Forward Voltage：±0.1V
Everlight Electronics Co., Ltd.
Device Number: CDLE-020-837
http\\:www.everlight.com
Established date:2005/11/18
Rev: 1
Page: 3 of 8
Established by: GuangXiu Yuan
A2794B/UTCSUBC/S400-A4
Electro-Optical Characteristics (Ta=25℃)
Parameter
Forward Voltage
Reverse Current
Luminous Intensity
Viewing Angle
Chromaticity
Coordinates
Symbol
V
F
I
R
I
V
2θ1/2
x
y
Condition
I
F
=20mA
V
R
=5V
I
F
=20mA
I
F
=20mA
I
F
=20mA
------
Min.
--
--
250
--
--
--
264-15SUBC/S400-A4
Typ.
3.5
--
500
30
0.29
0.28
Max.
4.0
10
--
--
--
--
Units
V
uA
mcd
deg
Luminous Intensity Combination (
mcd at 20mA)
I
V
Ranks
Min.
Max.
T
250
500
U
400
800
V
630
1250
W
----
----
Measurement Uncertainty of Luminous Intensity:
±15%
Forward Voltage Combination (
V at 20mA)
V
F
Rank
1
2.8
3.0
2
3.0
3.2
3
3.2
3.4
4
3.4
3.6
5
3.6
3.8
6
3.8
4.0
Min.
Max.
*Measurement Uncertainty of Forward Voltage：±0.1V
Everlight Electronics Co., Ltd.
Device Number: CDLE-020-837
http\\:www.everlight.com
Established date:2005/11/18
Rev: 1
Page: 4 of 8
Established by: GuangXiu Yuan
A2794B/UTCSUBC/S400-A4
CIE Chromaticity Diagram
Color Ranks (IF=20mA，Ta=25℃)
Color Ranks
A1
A0
B3
B4
B5
B6
C0
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
0.255
0.245
0.264
0.267
0.283
0.305
0.304
0.33
0.287
0.295
0.307
0.315
0.33
0.36
0.264
0.267
0.283
0.305
0.304
0.33
0.33
0.36
0.307
0.315
0.33
0.339
0.361
0.385
CIE
0.28
0.248
0.296
0.276
0.307
0.315
0.33
0.339
0.311
0.294
0.33
0.318
0.355
0.35
0.27
0.23
0.28
0.248
0.287
0.295
0.307
0.315
0.296
0.276
0.311
0.294
0.33
0.318
Measurement uncertainty of the color coordinates：±0.01
Everlight Electronics Co., Ltd.
Device Number: CDLE-020-837
http\\:www.everlight.com
Established date:2005/11/18
Rev: 1
Page: 5 of 8
Established by: GuangXiu Yuan
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