1211C Series
Bi-color Type (1.6 X 1.5 mm)
Electro-Optical Characteristics
(Ta=25℃)
Characteristics
PY
Item
Symbol
VF
Unit
V
Conditions
IF=20mA
BG
2.1
PG
2.1
YPY
2.1
FR
BR
1.7
TYP.
2.1
2.8
-
1.9
Forward Voltage
MAX.
2.8
2.8
2.6
2.4
2.3
VR=5V
VR=4V
100
100
-
-
-
Reverse Current
Peak Wavelength
IR
MAX.
A
μ
100
555
558
30
100
560
567
30
100
570
572
30
100
660
647
30
-
-
IF=20mA
IF=20mA
IF=20mA
λp
λd
TYP.
TYP.
575
572
15
635
626
15
nm
nm
nm
Dominant
Wavelength
Spectral Line Half
Width
TYP.
TYP.
⊿ λ
168
139
168
139
168
139
115
140
115
140
150
140
(
θ
x)
Half Intensity Angle IF=20mA
2
θ
1/2
deg.
TYP.
y)
(
θ
Low current type
Characteristics
YPY
Item
Symbol
VF
Unit
V
Conditions
FR
TYP.
MAX.
MAX.
TYP.
1.95
2.4
1.85
Forward Voltage
IF=5mA
2.4
100
635
626
15
Reverse Current
Peak Wavelength
VR=5V
IF=5mA
IF=5mA
IF=5mA
IR
λp
100
572
570
15
A
μ
nm
nm
nm
Dominant
Wavelength
Spectral Line Half
Width
λd
TYP.
TYP.
TYP.
⊿ λ
115
140
115
140
(
x)
θ
Half Intensity Angle
IF=5mA
2
θ
1/2
deg.
TYP.
y)
(
θ
Page 4
2010.7.15
STANLEY [ STANLEY ELECTRIC CO.,LTD. ]
