Internal Circuit
Terminal No. Name
A Anode
K Cathode
C Collector
E Emitter
Unless otherwise specified,
the tolerances are ±0.2 mm.
AC
EK
2-∅3.2 ±0.2
4 - 0.25
12.8 ±0.2
3.4 ±0.2
Optical
axis
BA
E
BA
25 ±0.2
19 ±0.15
5±0.2
6±0.2
2-R1
hole 2-C2
0.5 ±0.1
8.4 ±0.1
3±0.4
10 ±0.2
7.2 ±0.2
2.5 ±0.1
0.5 ±0.1
6.5 ±0.1
3.0 ±0.4
4-0.5
C
K
A
Section BB Section AA
(Bottom view)
9.2
Photomicrosensor
(Transmissive)
EE-SX2088
Dimensions
Note: All units are in millimeters unless otherwise indicated.
Features
•0.5-mA output min. with only 1-mA forward LED current.
•Mounting tabs to secure EE-SX2088 to PCB.
•Best suited to drive CMOS IC.
Absolute Maximum Ratings
(Ta = 25°C)
Item Symbol Rated value
Emitter Forward current IF50 mA
(see note 1)
Pulse forward
current
IFP 1A
(see note 2)
Reverse voltage VR4V
Detector Collector--Emitter
voltage
VCEO 35 V
Emitter--Collector
voltage
VECO ---
Collector current IC20 mA
Collector
dissipation
PC100 mW
(see note 1)
Ambient
temperature
Operating Topr -- 2 5 °Cto
85°C
Storage Tst g -- 3 0 °Cto
100°C
Note: 1. Refer to the temperature rating chart if the ambient
temperature exceeds 25°C.
2. The pulse width is 10 µs maximum with a frequency
of 100 Hz.
3. Complete soldering within 10 seconds.
Ordering Information
Description Part number
Photomicrosensor (Transmissive) EE-SX2088
Electrical and Optical Characteristics (Ta = 25°C)
Item Symbol Value Condition
Emitter Forward voltage VF1.2 V typ.; 1.4 V max. IF= 20mA
e
Reverse current IR0.01 µAtyp.;10µAmax. VR=4V
Peak emission wavelength λp(L) 940 mm typ. IF=20mA
Detector Dark current ID2 nA typ.; 1000 nA max. VCE =10V0lx
e
e
c
o
Peak spectral sensitivity wavelength λp(P) 850 nm typ. VCE =5V
Combination Light current (collector current) IL0.5to20mA IF=1mA
VCE =2V
Collector-emitter saturated voltage VCE (sat) 0.75 V typ.; 1 V max. IF=2mA
IL=0.5mA
Rising time* tr 70 µstyp. VCC =2V
I
L
=
2
m
A
Falling time* tf 70 µstyp. IL=2mA
RL= 100 Ω
*The illustrations on the following page show the rising time, tr, and the falling time, tf.
EE-SX2088
EE-SX2088
0
0
Input t
Output t
Input VCC
Output
RL
tr
90%
10%
tf
Engineering Data
Forward current I (mA)
F
Ambient temperature TA(°C)
50
40
30
20
10
0
60 80
100
0
50
100-20 20040
IF
Pc
Collector dissipation PC(mW)
50
40
30
20
10
0
60
Forward voltage VF(V)
1.0 1.2 1.40.2 0.60.4 0.8 1.6 1.8
TA=--30°C
TA=+25°C
TA=+70°C
Forward current I (mA)
F
Temperature Characteristics Input Characteristics (Typical)
90
100
80
70
60
50
40
30
20
10
0
2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.8 3.
0
2
Distance d (mm)
Relative light current I (%)
L
d
TA=25°C
IF=1mA
VCE =2V
Sensing Position Characteristics
(Typical)
Forward current IF(mA)
012345
2
4
6
8
22
10
12
14
16
18
20 TA=25°C
VCE =2V
Light current I (mA)
L
0
2
4
6
8
22
10
12
14
16
18
20
12345678910
TA=25°C
IF=3.5mA
IF=3mA
IF=2.5mA
IF=2mA
IF=1.5mA
Light current I (mA)
L
Collector-emitter voltage VCE (V)
IF=1mA
Input
/
output
C
haracteristics
(Typical) Output Characteristics (Typical)
Load resistance RL(kΩ)
10 20 50 100 200 500 10
0
20
50
100
200
500
1000
VCE =2V
IL=2mA
TA=25°C
tr
tf
Switching regulator tr, tf ( µs)
Response Time vs Load
Resistance Characteristics
(Typical)
Ambient temperature TA(°C)
Dark current I (mA)
D
0.1
0.3
0.5
0.7
1
30
50
7
10
0.2
2
20
70
100
5
3
-30-20 -10 9080706050403020100
VCE = 10V 0 lx
Light current I (mA)
L
Ambient temperature TA(°C)
IF=1 mA
VCE =2V
IF=0.5mA
VCE =2V
-- 4 0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
-- 2 0 0 2 0 4 0 6 0 8 0 1 0 0
0
Dark Current Temperature
Dependency (Typical)
Light Current Temperature
Dependency (Typical)
Cat. No. GC NAPMS–1 02/03 Specifications subject to change without notice. Printed in U.S.A.
OMRON ELECTRONICS LLC
One East Commerce Drive
Schaumburg, IL 60173
NOTE: DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters to inches divide by 25.4.
847–882–2288
OMRON CANADA, INC.
885 Milner Avenue
416-286-6465
R
OMRON ON–LINE
Global – http://www.omron.com
USA – http://www.omron.com/oei
Canada – http://www.omron.com/oci
Toronto, Ontario M1B 5V8
