KSD-O8O003-001
1
SRM2331-A
Dual Chip LED
Features
Compact type
Radiation size 1.3mm 2.9mm
Radiation color (Y-Green, Red)
Surface mount lead configuration
Outline Dimensions unit :
mm
S
S
e
e
m
m
i
i
c
c
o
o
n
n
d
d
u
u
c
c
t
t
o
o
r
r
2.40~2.60
1.20~1.40
1
.
8
0
~
2
.
0
0
2
.
8
0
~
3
.
0
0
0
.
5
0
M
a
x
.
0.50 Max.
1
.
3
0
~
1
.
5
0
0.20 Min.
0
.
1
0
M
a
x
.
PIN Connections
1. Cathode (Y-Green)
2. Cathode (Red)
3. Common Anode
KSD-O8O003-001
2
SRM2331-A
Absolute Maximum Ratings
(Ta=25
o
C)
Rating
Characteristic Symbol
Red Y-Green
Unit
Power dissipation
P
D
75 75
mW
Forward current
I
F
30 30
mA
*
1
Peak forward current
I
FP
50 50
mA
Reverse voltage
V
R
4
4 V
Operating temperature range
T
opr
-25 85
Storage temperature range
T
stg
-30 100
*
2
Soldering temperature
T
sol
240 for 5 seconds
*1. Duty ratio = 1/16, Pulse width = 0.1ms
*2. Recommended reflow soldering temperature profile
- Preheating 150 to 185 within 120 seconds soldering 240 within 10 seconds
Gradual cooling (Avoid quenching)
Electrical / Optical Characteristics
(Ta=25
o
C)
Characteristic Symbol
Test
Condition
Min.
Typ.
Max.
Unit
Red -
2.0
2.5
Forward voltage
V
F
Y-Green
I
F
= 20mA
- 2.1
2.5
V
Red -
20
-
Luminous intensity
I
V
Y-Green
I
F
= 20mA
- 15 -
mcd
Red -
660
-
Peak wavelength
P
Y-Green
I
F
= 20mA
570
nm
Red -
20
-
Spectrum bandwidth
Y-Green
I
F
= 20mA
30
nm
Reverse current
I
R
V
R
=4V -
-
10
uA
*
3
Half angle
1/2
I
F
= 20mA
-
55
- deg
*3.
1/2
is the off-axis angle where the luminous intensity is 1/2 the peak intensity
max. 10sec
Temp ()
Time (sec)
185
150
240
Peak Temp max. 240
Preheating area
150~185, 9030sec
max. 3/sec
25
Time from 25 to Peak Temperature max. 6min
Solder area
220, max. 60sec
max. 4/sec
max. -6/sec
240
180
150
60
0
KSD-O8O003-001
4
SRM2331-A
The AUK Corp. products are intended for the use as components in general electronic
equipment (Office and communication equipment, measuring equipment, home
appliance, etc.).
Please make sure that you consult with us before you use these AUK Corp. products
in equipments which require high quality and / or reliability, and in equipments which
could have major impact to the welfare of human life(atomic energy control, airplane,
spaceship, transportation, combustion control, all types of safety device, etc.). AUK
Corp. cannot accept liability to any damage which may occur in case these AUK Corp.
products were used in the mentioned equipments without prior consultation with AUK
Corp..
Specifications mentioned in this publication are subject to change without notice.
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