Datasheet

This product complies with the RoHS Directive (EU 2002/95/EC).
Ver. AEKPublication date: June 2012
1
LN277RPX
Round Type
φ3.0 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
I
F
= 15 mA 0.25 0.7 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
200
1.6
2.0
1.8
2.42.2
−20
40 60 80 100
20
40 60 80 120100
10
1
10
10
−2
10
−1
1
10
100
100
1 000
0
20
40
60
80
100
600
700
900800
1 10 100
020 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°
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