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Panasonic LNG251RKR User Manual

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SHD00400BEK
This product complies with the RoHS Directive (EU 2002/95/EC).
Publication date: November 2008
1
Light Emitting Diodes
LNG251RKR
Square Type
4.0 mm × 2.0 mm
Absolute Maximum Ratings T
a
= 25°C
Parameter Symbol Rating Unit
Power dissipation P
D
70 mW
Forward current I
F
25 mA
Pulse forward current
*
I
FP
150 mA
Reverse voltage V
R
4 V
Operating ambient temperature T
opr
–25 to +85
°C
Storage temperature T
stg
–30 to +100
°C
Note) *: The condition of I
FP
is duty 10%, Pulse width 1 msec.
Electro-Optical Characteristics T
a
= 25°C
Parameter Symbol Conditions Min Typ Max Unit
Luminous intensity I
O
0.25 0.5 mcd
Reverse current I
R
V
R
= 4 V 5 µA
Forward voltage V
F
I
F
= 20 mA 2.2 2.8 V
Peak emission wavelength
λ
P
I
F
= 20 mA 700 nm
Spectral half band width
Δλ
I
F
= 20 mA 100 nm
0
10
20
30
40
50
01.7 1.9 2.1 2.3 2.5
−20
20 40 60 80 100
0
20 40 60 80 100
10
1
3
5
10
0.03
0.01
0.5
0.05
0.1
0.3
1
30
50
100
30
50
100
300
500
1
000
0
20
40
60
80
100
700600 800 900
1 3 5 10 30 50 100
0
20
2040 4060 6080 80100 100
0°
10°10°
20°20°
30°30°
40°40°
50°50°
60°60°
70°70°
80°80°
80°
60°
40°
20°
90°90°
Y
X
Y
X
I
O
I
F
I
F
V
F
I
F
T
a
Directive characteristics
Relative luminous intensity (%)
Ambient temperature T
a
(°C)
Ambient temperature T
a
(°C)
Forward current I
F
(mA)
Forward voltage V
F
(V)Forward current I
F
(mA)
Luminous intensity I
O
(mcd)
Relative luminous intensity (%)
Relative luminous intensity T
a
Relative luminous intensity λ
P
Peak emission wavelength λ
P
(nm)
Relative luminous intensity (%)
Forward current I
F
(mA)
Lighting Color
Red
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1 2 3

Summary of Contents

Page 1 - LNG251RKR

SHD00400BEK This product complies with the RoHS Directive (EU 2002/95/EC).Publication date: November 20081Light Emitting DiodesLNG251RKRSquare Type

Page 2 - LLXFTN2SK510

SHD00400BEK This product complies with the RoHS Directive (EU 2002/95/EC).LNG251RKR2 Package (Unit: mm)LLXFTN2SK5102.541 22.0 ± 0.24.0 ± 0.20.45 ±

Page 3

Request for your special attention and precautions in using the technical information andsemiconductors described in this book(1)If any of the produc

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