Square Type
Unit: mm
4.0 mm × 2.0 mm Series
2.0 ± 0.2
4.0 ± 0.2
Conventional Part No.
Global Prat No.
Lighting Color
LN251RPP ················ LNG251RBR ············ Red
LN351GPP ················ LNG351GBG············ Green
LN451YPP ················ LNG451YBX············ Amber
LN851RPP ················ LNG851RBD ············ Orange
2 − 0.8 Max
2 − 0.5 ± 0.1
0.5 ± 0.1
■ Absolute Maximum Ratings (Ta = 25°C)
Lighting Color PD(mW) IF(mA) IFP(mA) VR(V) Topr(°C) Tstg(°C)
Red
70
90
90
90
25
30
30
30
150
150
150
150
4
4
4
3
−25 +85 −30 +100
−25 +85 −30 +100
−25 +85 −30 +100
−25 +85 −30 +100
2.54
Green
Amber
Orange
1
2
1: Anode
2: Cathode
Pulse width 1 msec. The condition of IFP is duty 10%, Pulse width 1 msec
■ Electro−Optical Characteristics (Ta = 25°C)
Conventional Lighting
Lens Color
IO
VF
λP
∆λ
IR
Part No.
LN251RPP
LN351GPP
LN451YPP
LN851RPP
Unit
Color
Typ Min
0.9 0.35
IF
Typ Max Typ Typ
IF
20
20
20
20
Max VR
Red
Red Diffused
15
20
20
20
2.2
2.2
2.2
2.1
V
2.8
2.8
2.8
2.8
V
700 100
5
10
10
10
µA
4
4
4
3
V
Green Green Diffused 2.5 0.90
Amber Amber Diffused 2.0 0.75
Orange Red Diffused
565
590
630
nm
30
30
40
2.0 0.75
mcd mcd mA
nm
mA
IO IF
IF VF
IO Ta
10
100
5
3
50
30
500
300
LN351GPP
LN851RPP
10
1
100
0.5
0.3
5
3
50
30
LN351GPP
LN451YPP
LN851RPP
0.1
1
1
10
−20
3
5
10
30 50 100
1.6
1.8
2.0
2.2
2.4
0
20
40
60
80 100
Ambient Temperature
Forward Current
Forward Voltage
IF Ta
Relative Luminous Intensity
Wavelength Characteristics
50
40
30
20
10
0
LN451YPP
LN351GPP
100
80
Directive Characteristics
0°
10°
10°
20°
20°
30°
30°
40°
40°
80°
60°
40°
20°
60
50°
50°
LN251RPP
60°
70°
80°
60°
70°
40
20
0
80°
90°
LN851RPP
600 700
90°
500
800
0
40
60
80
100
100 80 60 40 20
0
20 40 60 80 100
20
Wavelength
Relative Luminous Intensity
Ambient Temperature
205