
STANDARD LED LAMPS 
(TOWER TYPES)
Chip 
Absolute Maximum 
Ratings 
Electro-optical 
Data(At 20mA) 
Vf 
(V) 
Iv 
(mcd) 
Package 
Part No. 
Material/Emitted 
Color 
Peak 
Wave 
Lengt
h 
l
P 
(nm)
Lens 
Appearance 
(nm) 
Pd 
(mw) 
If 
(mA) 
Peak 
(mA) 
Typ 
Max 
Typ 
Viewi
ng 
Angle 
2
q
 1
¤
 2 
(deg) 
Drawi
ng 
No. 
BL-S5131 
BL-S4531 
BL-S2131 
BL-S3131 
GaP/GaP/Bright Red 
GaAsP/GaP/Hi-Eff Red 
GaP/GaP/Green 
GaAsP/GaP/Yellow 
700 
635 
568 
585 
90 
45 
30 
35 
40 
80 
80 
80 
15 
30 
30 
30 
50 
150 
150 
150 
2.2 
2.0 
2.2 
2.1 
2.6 
2.6 
2.6 
2.6 
1.2 
6.0 
6.0 
4.0 
Red Diffused 
Green Diffused 
Yellow Diffused 
Panel 
Dot 
1.0
″
 Lead 
1.75 
75 
L-044 
BL-S5132 
BL-S4532 
BL-S2132 
BL-SX1132 
BL-S3132 
BL-S4132 
GaP/GaP/Bright Red 
GaAsP/GaP/Hi-Eff Red 
GaP/GaP/Green 
GaP/GaP/Hi-Eff Green 
GaAsP/GaP/Yellow 
GaAsP/GaP/Orange 
700 
635 
568 
568 
585 
635 
90 
45 
30 
30 
35 
45 
40 
80 
80 
80 
80 
80 
15 
30 
30 
30 
30 
30 
50 
150 
150 
150 
150 
150 
2.2 
2.0 
2.2 
2.2 
2.1 
2.0 
2.6 
2.6 
2.6 
2.6 
2.6 
2.6 
1.2 
6.0 
6.0 
9.0 
5.0 
6.0 
Red Diffused 
Green Diffused 
Yellow Diffused 
Orange Diffused 
1.0
″
 Lead 
Tower 
φ
3.0 
100 
L-045 
BL-S5133 
BL-S4533 
BL-S2133 
BL-SX1133 
BL-S3133 
BL-S4133 
GaP
GaP
Bright Red 
GaAsP/GaP/Hi-Eff Red 
GaP/GaP/Green 
GaP/Gap/Hi-Eff Green 
GaAsP/GaP/Yellow 
GaAsP/GaP/Orange 
700 
635 
568 
568 
585 
635 
90 
45 
30 
30 
35 
45 
40 
80 
80 
80 
80 
80 
15 
30 
30 
30 
30 
30 
50 
150 
150 
150 
150 
150 
2.2 
2.0 
2.2 
2.2 
2.1 
2.0 
2.6 
2.6 
2.6 
2.6 
2.6 
2.6 
1.4 
6.0 
6.0 
9.0 
5.0 
6.0 
Red Diffused 
Green Diffused 
Yellow Diffused 
Orange Diffused 
1.0
″
 Lead 
Tower 
φ
2.75 
100 
L-046 
BL-S5136 
BL-S4536 
BL-S2136 
BL-SX1136 
BL-S3136 
BL-S4136 
GaP/GaP/Bright Red 
GaAsP/GaP/Hi-Eff Red 
GaP/Gap/Green 
GaP/Gap/Hi-Eff Green 
GaAsP
GaP
Yellow 
GaAsP
GaP
Orange 
700 
635 
568 
568 
585 
635 
90 
45 
30 
30 
35 
45 
40 
80 
80 
80 
80 
80 
15 
30 
30 
30 
30 
30 
50 
150 
150 
150 
150 
150 
2.2 
2.0 
2.2 
2.2 
2.1 
2.0 
2.6 
2.6 
2.6 
2.6 
2.6 
2.6 
1.2 
7.0 
7.0 
10.0 
6.0 
7.0 
Red Diffused 
Green Diffused 
Yellow Diffused 
Orange Diffused 
1.0
″
 Lead 
Tower 
φ
2.0 
70 
L-047 
BL-S5137 
BL-S4537 
BL-S2137 
BL-SX1137 
BL-S3137 
BL-S4137 
GaP/GaP/Bright Red 
GaAsP/GaP/Hi-Eff Red 
GaP/GaP/Green 
GaP/GaP/Hi-Eff Green 
GaAsP/GaP/Yellow 
GaAsP/GaP/Orange 
700 
635 
568 
568 
585 
635 
90 
45 
30 
30 
35 
45 
40 
80 
80 
80 
80 
80 
15 
30 
30 
30 
30 
30 
50 
150 
150 
150 
150 
150 
2.2 
2.0 
2.2 
2.2 
2.1 
2.0 
2.6 
2.6 
2.6 
2.6 
2.6 
2.6 
15 
22 
22 
25 
21 
22 
Red Diffused 
Green Diffused 
Yellow Diffused 
Orange Diffused 
1.0
″
 Lead 
Tower 
φ
2.8 
100 
L-048 
BL-S5137A 
BL-S4537A 
BL-S2137A 
BL-SX1137A GaAsP/GaP/Hi-Eff Green 
BL-S3137A 
GaAsP/GaP/Orange 
BL-S4137A 
GaAsP/GaP/Orange 
GaP/GaP/Bright Red 
GaAsP/GaP/Hi-Eff Red 
GaP/GaP/Green 
700 
635 
568 
568 
585 
635 
90 
45 
30 
30 
35 
45 
40 
80 
80 
80 
80 
80 
15 
30 
30 
30 
30 
30 
50 
150 
150 
150 
150 
150
2.2 
2.0 
2.2 
2.2 
2.1 
2.0 
2.6 
2.6 
2.6 
2.6 
2.6 
2.6 
15 
22 
22 
25 
21 
22 
Red Diffused 
Green Diffused 
Yellow Diffused 
Orange Diffused
1.0
″
 Lead 
Tower 
φ
3.0 
70 
L-049 
BL-S51L8 
BL-S45L8 
BL-S21L8 
BL-SX11L8 
BL-S31L8 
BL-S41LL8 
GaP/GaP/Bright Red 
GaAsP/GaP/Hi-Eff Red 
GaP/GaP/Green 
GaAsP/GaP/Hi-Eff Green 
GaAsP/GaP/Yellow 
GaAsP/GaP/Orange 
700 
635 
568 
568 
585 
635 
90 
45 
30 
30 
35 
45 
40 
80 
80 
80 
80 
80 
15 
30 
30 
30 
30 
30 
50 
150 
150 
150 
150 
150 
2.2 
2.0 
2.2 
2.2 
2.1 
2.0 
2.6 
2.6 
2.6 
2.6 
2.6 
2.6 
1.0 
5.0 
5.0 
8.0 
4.0 
5.0 
Red Diffused 
Green Diffused 
Yellow Diffused 
Orange Diffused 
1.0
″
 Lead 
Tower 
φ
1.8 
70 
L-050 
BL-S5149 
BL-S4549 
BL-S2149 
BL-S31149 
BL-S4149 
GaP/GaP/Bright Red 
GaAsP/GaP/Hi-Eff Red 
GaP/Gap/Green 
GaAsP/GaP/Green 
GaAsP/GaP/Orange 
700 
635 
568 
568 
635 
90 
45 
30 
30 
35 
40 
80 
80 
80 
80 
15 
30 
30 
30 
30 
50 
150 
150 
150 
150 
2.2 
2.0 
2.2 
2.2 
2.1 
2.6 
2.6 
2.6 
2.6 
2.6 
1.0 
8.0 
8.0 
7.0 
8.0 
Red Diffused 
Green Diffused 
Yellow Diffused 
Orange Diffused 
1.0
″
 Lead 
Tower 
φ
2.0 
100 
L-051 
BL-S5149A 
BL-S4549A 
BL-S2149A 
BL-S31149A GaAsP/GaP/Yellow 
Remark: 1. Hi-eff Red/Hight-Effici1ency Red. 
2. Trans/Transparent. 
3. 2
θ
 1 2 The off-axis angle at which the luminous intensity is half the axial luminous intensity. 
GaP/GaP/Bright Red 
GaAsP/GaP/Hi-Eff Red 
GaP/GaP/Green 
700 
635 
568 
585 
90 
45 
30 
35 
40 
80 
80 
80 
15 
30 
30 
30 
50 
150 
150 
150 
2.2 
2.0 
2.2 
2.1 
2.6 
2.6 
2.6 
2.6 
1.0 
8.0 
8.0 
7.0 
Red Diffused 
Green Diffused 
Yellow Diffused 
1.0
″
 Lead 
Tower 
φ
2.0 
120 
L-052