Datasheet

NICHIA STS-DA1-1555A <Cat.No.110318>
1
SPECIFICATIONS
(1) Absolute Maximum Ratings
Item Symbol Absolute Maximum Rating Unit
Forward Current I
F
30 mA
Pulse Forward Current I
FP
100 mA
Allowable Reverse Current I
R
85 mA
Power Dissipation P
D
105 mW
Operating Temperature T
opr
-40~110 °C
Storage Temperature T
stg
-40~110 °C
Junction Temperature T
J
125 °C
* Absolute Maximum Ratings at T
A
=25°C.
* I
FP
conditions with pulse width ≤10ms and duty cycle ≤10%.
(2) Initial Electrical/Optical Characteristics
Item Symbol Condition Typ Unit
Forward Voltage V
F
I
F
=20mA 3.1 V
Luminous Intensity1 I
v
I
F
=20mA 870 mcd
Luminous Intensity2 I
v
I
F
=30mA 1130 mcd
x - I
F
=20mA 0.17 -
Chromaticity Coordinate
y - I
F
=20mA 0.70 -
Thermal Resistance R
θJS
- 180 °C/W
Thermal Resistance R
θJA
- 360 °C/W
* Characteristics at T
A
=25°C.
* The Chromaticity Coordinates are derived from the CIE 1931 Chromaticity Diagram.
* R
θJS
is Thermal Resistance from junction to T
S
measuring point.
* R
θJA
is Thermal Resistance from junction to ambient（Test board: FR4 board thickness=1.6mm, copper layer thickness=35µm）.