Product Details Portlet

EE-SX1128 Photomicrosensor (Transmissive)


  • General-purpose model with a 4.2-mm-wide slot.
  • PCB mounting type.
  • High resolution with a 0.5-mm-wide aperture.
  • Horizontal sensing aperture.

Last order Date:Mar.31,2022

RoHS Compliant
Model 2D/3D CAD ECAD(Download symbol,FootPrint,3DCAD)
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(*) Ultra Librarian uniquely created ECAD data based on the information provided by OMRON. Please note that OMRON does not guarantee the accuracy, concurrence or completeness of ECAD data.
Note: This web page provides an excerpt from a datasheet. Refer to Product Datasheet and other applicable documents for more information.
Absolute Maximum Ratings (Ta = 25ºC)
Rated value
Emitter Forward current IF 50mA (see note 1)
Pulse forward current IFP 1A (see note 2)
Reverse voltage VR 4V
Detector Collector-Emitter voltage VCEO 30V
Emitter-Collector voltage VECO ---
Collector current IC 20mA
Collector dissipation PC 100mW (see note 1)
Ambient temperature Operating Topr -25ºC to 85ºC
Storage Tstg -30ºC to 100ºC
Soldering temperature Tsol 260ºC (see note 3)
Note: 1. Refer to the temperature rating chart if the ambient temperature exceeds 25ºC.
  2. The pulse width is 10 µs maximum with a frequency of 100 Hz.
  3. Complete soldering within 10 seconds.

Electrical and Optical Characteristics (Ta = 25ºC)
Emitter Forward voltage VF 1.2 V typ.,
1.5 V max.
IF = 30mA
Reverse current IR 0.01µA typ.,
10 µA max.
VR = 4V
Peak emission wavelength λP 940 nm typ. IF = 20mA
Detector Light current IL 0.5 mA min.,
10 mA max.
IF = 20mA,
VCE = 10V
Dark current ID 2 nA typ.,
200 nA max.
VCE = 10V,
Leakage current ILEAK --- ---
saturated voltage
VCE (sat) 0.1 V typ.,
0.4 V max.
IF = 20mA,
IL = 0.1mA
Peak spectral
sensitivity wavelength
λP 850 nm typ. VCE = 10V
Rising time tr 4 µs typ. VCC = 5V,
RL = 100 Ω,
IL = 5mA
Falling time tf 4 µs typ. VCC = 5V,
RL = 100 Ω,
IL = 5mA
Note: All units are in millimeters unless otherwise indicated.
Terminal No.
A Anode
K Cathode
C Collector
E Emitter

Unless otherwise specified, the tolerances are as shown below.
0 < x ≤ 4 ± 0.100
4 < x ≤ 18 ± 0.200