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Photomicrosensor (Transmissive)
EE-SX1088-W11Slot/Pre-wired Type
• Removable dedicated connector for easier maintenance• Mounted with M3 screws• Wire length 610 mm min. (AWG28)• Solder-less lead wire installation for improved reliability
Ordering Information
Photomicrosensor
Note: Order in multiples of minimum packing unit.
Ratings, Characteristics and Exterior Specifications
Absolute Maximum Ratings (Ta = 25ºC)
*1. Refer to the temperature rating chart if the ambient temperature exceeds 25°C.
*2. Pulse width ≤ 10 μs, Repeated 100 HzNote: 1. When screw mounting, use an M3 screw, spring washer,
and plain washer and tighten with a torque of 0.5 N·m.2. Do not use the lead wire with stress applied.
Exterior Specifications
Electrical and Optical Characteristics (Ta = 25°C)
RoHS Compliant
Be sure to read Safety Precautions on Page 3.
Appearance Sensing method
Connecting method Sensing distance Aperture size
(H × W) (mm) Output type ModelMinimum
packing unit(Unit: pcs)
Transmissive(slot type)
Pre-wired type
Both emitting side and
detecting side1.9 × 0.5
Phototransistor EE-SX1088-W11 1
25
10
63.1
3.4 mm (Slot width)
Item Symbol Rated value Unit
Emitter
Forward current IF 50*1 mA
Pulse forward current IFP 1*2 A
Reverse voltage VR 4 V
Detector
Collector-Emitter voltage VCEO 30 V
Emitter-Collector voltage VECO — V
Collector current IC 20 mA
Collector dissipation PC 100*1 mW
Operating temperature Topr -25 to 80 °C
Storage temperature Tstg -25 to 85 °C
Connecting method Weight (g)Material
Case Wire insulator
Pre-wired type 4.71 Polycarbonate Non-lead PVC
Item SymbolValue
Unit ConditionMIN. TYP. MAX.
Emitter
Forward voltage VF — 1.2 1.5 V IF = 30 mA
Reverse current IR — 0.01 10 μA VR = 4 V
Peak emission wavelength
λP — 940 — nm IF = 20 mA
Detector
Light current IL 0.5 — 14 mA IF = 20 mA,
VCE = 10 V
Dark current ID — 2 200 nA VCE = 10 V,
0 lx
Leakage current ILEAK — — — μA —
Collector-Emittersaturated voltage
VCE
(sat) — 0.15 0.4 V IF = 20 mA,IL = 0.1 mA
Peak spectral sensitivity wavelength
λP — 850 — nm VCE = 10 V
Rising time tr — 4 — μsVCC = 5 V,RL = 100 ΩIL = 5 mA
Falling time tf — 4 — μsVCC = 5 V,RL = 100 ΩIL = 5 mA
EE-SX1088-W11
2
Engineering Data (Reference Value)
Fig 1. Forward Current vs. Collector Dissipation Temperature Rating
Fig 2. Forward Current vs. Forward Voltage Characteristics (Typical)
Fig 3. Light Current vs. Forward Current Characteristics (Typical)
Fig 4. Light Current vs. Collector-Emitter Voltage Characteristics (Typical)
Fig 5. Relative Light Current vs. Ambient Temperature Characteristics (Typical)
Fig 6. Dark Current vs. Ambient Temperature Characteristics (Typical)
Fig 7. Response Time vs. Load Resistance Characteristics (Typical)
Fig 8. Sensing Position Characteristics (Typical)
Fig 9. Sensing Position Characteristics (Typical)
Fig 10. Response Time Measurement Circuit
60
50
40
30
20
10
0-40 -20 0 20 40 60 80 100
150
100
50
0
PC
IF
Ambient temperature Ta (°C)
Forw
ard
curr
ent I
F (m
A)
Col
lect
or d
issi
patio
n P
C (m
W)
60
50
40
30
20
10
00 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
Ta = 70°C
Ta = 25°C
Ta = −30°C
Forward voltage VF (V)
Forw
ard
curre
nt IF
(mA
)0
20
18
16
14
12
10
8
6
4
2
010 20 30 40 50
Ta = 25°CVCE = 10 V
Forward current IF (mA)
Ligh
t cur
rent
IL (m
A)
0 1 2 3 4 5 6 7 8 9 10
IF = 50 mA
IF = 40 mA
IF = 30 mA
IF = 20 mA
IF = 10 mA
Ta = 25°C20
18
16
14
12
10
8
4
2
6
0
Collector-Emitter voltage VCE (V)
Ligh
t cur
rent
IL (m
A)
120
110
100
90
80
70
60-40 -20 0 20 40 60 80 100
IF = 20 mAVCE = 5 V
Rel
ativ
e lig
ht c
urre
nt IL
(%)
Ambient temperature Ta (°C)
10,000
1,000
100
10
1
0.1
0.01
0.001-30 -20 -10 0 10 20 30 40 50 60 70 80 90
VCE = 10 V0 lx
Dar
k cu
rren
t ID (n
A)
Ambient temperature Ta (°C)
10,000
0.01
tr
tf
0.1 101
1,000
100
10
1
VCC = 5 VTa = 25°C
Load resistance RL (kΩ)
Res
pons
e tim
e tr,
tf (µ
s)
100
80
60
40
20
0-0.5 -0.25 0 0.25 0.5 0.75 1
(Center of optical axis) −←0→+
d
120
IF = 20 mAVCE = 10 VTa = 25°C
Rel
ativ
e lig
ht c
urre
nt IL
(%)
Distance d (mm)
100
80
60
40
20
0-1.5-2 -1 -0.5 0 0.5 1 1.5 2
120
d
−↑
0↓+
IF = 20 mAVCE = 10 VTa = 25°C
Rel
ativ
e lig
ht c
urre
nt IL
(%)
Distance d (mm)
(Cen
ter o
f opt
ical
axi
s)
90%10%
ttftr
t0
Input
Output
VCC
RL
Input
0
Output
IL
3
EE-SX1088-W11
Safety PrecautionsTo ensure safe operation, be sure to read and follow the Instruction Manual provided with the Sensor.
This product is not designed or rated for ensuring safety of persons either directly or indirectly.Do not use it for such purposes.
Do not use the product with a voltage or current that exceeds the rated range.Applying a voltage or current that is higher than the rated range may result in explosion or fire.
Do not miswire such as the polarity of the power supply voltage.Otherwise the product may be damaged or it may burn.
This product does not resist water. Do not use the product in places where water or oil may be sprayed onto the product.
• Do not use the product in atmospheres or environments that exceed product ratings.
• When using the sensor on moving parts, secure the pull out portion of the cord so that it is not subjected to direct stress.
• Do not perform cord wiring when power supply voltage is applied. Doing so may result in breakage.
• Dispose of this product as industrial waste.
Dimensions and Internal Circuit (Unit: mm)
Photomicrosensor
CAUTION
Precautions for Safe Use
Precautions for Correct Use
K
A E
C
B
B
A
A
Optical axis
Detector Emitter
7.2±0.2
12.8±0.2
3.4±0.2
10±0.2
3.55
2.5±0.1
11.6±0.2
3.1
Optical axis
25±0.2
19±0.15
6±0.2 5±0.2
2-3.2 dia.±0.2 hole
2-C24-C0.3
0.5±0.1
6.5±0.18.4±0.1
Cross section view B-B
Sensing window
E C K A
0.5±0.1
4
6.5±0.18.4±0.1
Cross section view A-A
4-wire UL1061, AWG#28
610MIN
2-R1
EE-SX1088-W11
Internal circuit
Terminal No. Color Name
A Red Anode
K Black Cathode
C White Collector
E Green Emitter
Aperture size (H × W)
Emitter Detector
1.9 × 0.5 1.9 × 0.5
Unless otherwise specified, the tolerances are as shown below.
Dimensions Tolerance
3 mm max. ±0.3
3 < mm ≤ 6 ±0.375
6 < mm ≤ 10 ±0.45
10 < mm ≤ 18 ±0.55
18 < mm ≤ 30 ±0.65
Please check each region's Terms & Conditions by region website.
OMRON CorporationElectronic and Mechanical Components Company
Regional Contact
Cat. No. E523-E1-020419(0318)(O)
Americas Europehttps://www.components.omron.com/ http://components.omron.eu/
Asia-Pacific China https://ecb.omron.com.sg/ https://www.ecb.omron.com.cn/
Korea Japanhttps://www.omron-ecb.co.kr/ https://www.omron.co.jp/ecb/
In the interest of product improvement, specifications are subject to change without notice. © OMRON Corporation 2018-2019 All Rights Reserved.