HB 551LW7C

LED SPECIFICATION
Part No.
551LW7C
Features
Single color
High bright output
Low power consumption
High reliability and long life
Descriptions
Dice material
GaInN
Emitting Color Super Bright White
Device Outline
5mm Round Flat Type
Lens Type Water Clear
NOTE:
All dimensions are millimetres.
Tolerance is +/-0.25mmunless otherivise noted
HALF LIGHT PATTERN:
Page: 1 of 4
LED SPECIFICATION
551LW7C
Part No.
Absolute maximum ratings
Ta = 25
Parameter
Symbol
Test Condition
Reverse Voltage
VR
Forward Current
Value
Unit
Min.
Max.
IR = 30 A
5
--
V
IF
----
----
30
mA
Power Dissipation
Pd
----
----
108
mW
Pulse Current
Ipeak
----
100
mA
Operating Temperature
Topr
----
-20
+85
Storage Temperature
Tstr
----
-25
+100
Duty=0.1mS
Electrical and optical characteristics
1kHz
Ta = 25
Parameter
Symbol
Test Condition
Forward Voltage
VF
Reverse Current
Value
Unit
Min.
Typ.
Max.
IF = 20mA
----
3.2
3.6
IR
VR = 5V
----
----
30
A
Luminous Intensity
IV
IF = 20mA
100
BIN
200
mcd
Viewing Angle
2 1/2
IF = 20mA
150
Deg.
130
140
Page: 2 of 4
V
LED SPECIFICATION
Part No.
Chromaticity Coordinates Ranks (IF=20mA
Wa1
Wa3
Wb2
Wc2
Wc4
Wd2
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
0.243
0.200
0.246
0.236
0.264
0.267
0.287
0.295
0.306
0.332
0.330
0.360
0.215
0.230
0.230
0.250
0.248
0.286
0.283
0.305
0.298
0.350
0.321
0.379
0.230
0.250
0.248
0.286
0.275
0.321
0.330
0.360
0.321
0.379
0.366
0.419
0.263
0.220
0.264
0.267
0.283
0.305
0.330
0.339
0.330
0.360
0.361
0.385
Wa2
Wb1
Wc1
Wc3
Wd1
Wf
551LW7C
Ta=25
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
)
0.263
0.220
0.280
0.248
0.296
0.276
0.283
0.305
0.330
0.318
0.356
0.351
0.246
0.236
0.264
0.267
0.287
0.295
0.275
0.321
0.330
0.360
0.366
0.419
0.264
0.267
0.283
0.305
0.330
0.339
0.298
0.350
0.361
0.385
0.391
0.436
CIE 1931 Chromaticity diagram
Y
IF=20mA
W
W
Wf
W
W W
W
W
Ta=25¡ ã
C
W
W
W
W
x
Page: 3 of 4
0.280
0.248
0.296
0.276
0.330
0.318
0.306
0.332
0.356
0.351
0.380
0.381
LED SPECIFICATION
Part No.
551LW7C
Typical electrical/optical characteristic curves
FORWARD CURRENT Vs
FORWARD VOLTAGE
Luminous Intensity
Relative Value at IF=20mA
2.5
40
30
20
10
20
10
20
40
60
80
0.5
0
0
10
20
40
30
IF-Forward Current (mA)
50
2.5
30
0
1.0
LUMINOUS INTENSITY Vs.
AMBIENT TEMPERATURE
40
0
1.5
4.0
FORWARD CURRENT
DERATING CURVE
100
Ambient Temperature TA (¡ æ
)
" $
Forward Current(mA)
50
2.4 2.8 3.2 3.6
Forward Voltage(V)
Relative Luminous Intensity
0
2.0
2.0
2.0
1.5
1.0
0.5
0
-40
-20
0
20
60
80
40
Ambient Temperature TA (¡ æ
)
100
!"#
Forward Current(mA)
50
LUMINOUS INTENSITY Vs.
FORWARD CURRENT
Page: 4 of 4