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EE-SX3/SX4
PCB-mount Sensors with Photo ICOutput Have Built-in PreamplifierChip and Schmitt Circuit
Compact, lightweight model with areceiver and amplifier circuit built into asingle chip
Excellent temperature characteristicsassured by receiver with a temperaturecompensation circuit
Directly driving electronic circuitry withno interface
Wide operating voltage range (4.5 to 16VDC) makes smooth connectionpossible with a CMOS or TTL
Dark-ON and Light-ON models available
High-resolution sensing assured by theslits on the emitter and receiver panels
Ordering InformationAppearance Sensing method Slot width Slot depth Sensing
objectOutputconfiguration
Weight Part number
Transmissive 2 mm 6 mm Opaque,0.2 x 2.1mm min.
Light-ON Approx.0.7 g
EE-SX493
3 mm 7.5 mm Opaque,0 5 x 2 0
Dark-ON Approx.0 6 g
EE-SX3980.5 x 2.0mm min. Light-ON
0.6 gEE-SX498
3.4 mm 7.2 mm Opaque,0 5 x 2 1
Dark-ON Approx.0 8 g
EE-SX3010.5 x 2.1mm min. Light-ON
0.8 gEE-SX401
10 mm Opaque,0.5 x 2.1
Dark-ON Approx.1.0 g
EE-SX3050.5 x 2.1mm min. Light-ON
1.0 gEE-SX405
3.5 mm 5.5 mm Opaque,2 0 x 0 5
Dark-ON Approx.0 8 g
EE-SX3842.0 x 0.5mm min. Light-ON
0.8 gEE-SX484
8 mm 7.5 mm Opaque,0.5 x 2.2
Dark-ON Approx.0.6 g
EE-SX30700.5 x 2.2mm min. Light-ON
0.6 gEE-SX4070
EE-SX3/SX4 EE-SX3/SX4
Specifications ABSOLUTE MAXIMUM RATINGS (T A = 25°C (77°F))
Item Symbol Rated value
Emitter Forward current IF 50 mA*
Reverse voltage VR 4 V
Receiver Supply voltage VCC 16 V
Output voltage VOUT 28 V
Output current IOUT 16 mA
Output permissible dissipation POUT 250 mW*
Ambient temperature Operating Topr -40°C to 75°C (-40° to 167°F)
Storage Tstg -40°C to 85°C (-40° to 185°F)
*Refer to Engineering Data if the ambient temperature is not within the rated temperature range.
RECOMMENDED OPERATING CONDITION (WITHIN THE RATED TEMPERATURE RANGE)
Item Symbol Recommended value Remarks
Supply voltage VCC 4.5 to 16 V —
Output voltage VOUT 4.5 to 28 V —
Output current IOUT 16 mA max. —
LED current IF 15 mA VCC = 4.5 to 16 V
CHARACTERISTICS (TA = 25°C (77°F))
Item Symbol EE-SX301/401/305/405/384/484
EE-SX493 EE-SX398/498 EE-SX3070/4070
Value Condition Value Condition Value Condition Value Condition
Emitter Forwardvoltage
VF 1.2 Vtyp. 1.5V max.
IF = 20 mA 1.2 Vtyp. 1.5V max.
IF = 20 mA 1.2 Vtyp. 1.5V max.
IF = 20 mA 1.2 Vtyp.1.5 Vmax.
IF = 20 mA
Reversecurrent
IR 0.01 µAtyp. 10µA max.
VR = 4 V 0.01 µAtyp. 10µAmax.
VR = 4 V 0.01 µAtyp. 10µAmax.
VR = 4 V 0.01 µAtyp. 10µAmax.
VR = 4 V
Receiver Low leveloutputvoltage
VOL 0.12 Vtyp. 0.4V max.
VCC = 4.5to 16 V IOL= 16 mA
0.12 Vtyp. 0.4V max.
VCC = 4.5to 16 V IOL= 16 mA
0.12 Vtyp. 0.4V max.
VCC = 4.5to 16 V IOL= 16 mA
0.12 Vtyp.0.40 Vmax..
VCC = 5 to16 V IOL =16 mA
High leveloutputvoltage
VOH 15 Vmin.
VCC = 16 VRL = 1 kΩ
15 Vmin.
VCC =16 V RL =1 kΩ
15 Vmin.
VCC =16 V RL =1 kΩ
15 Vmin.
VCC =16 V RL =1 kΩ
Currentconsumption
ICC 3.2 mAtyp. 10mAmax.
VCC = 16 V 3.2 mAtyp. 10mAmax.
VCC =16 V
3.2 mAtyp. 10mAmax.
VCC =16 V
3.2 mAtyp. 10mAmax.
VCC =16 V
EE-SX3/SX4EE-SX3/SX4
Item Symbol EE-SX301/401/305/405/384/484
EE-SX493 EE-SX398/498 EE-SX3070/4070
Combination LED currentwhen output isOFF
IFT 3 mAtyp. 8mA
VCC = 4.5to 16 V
10 mAtyp. 15mA
VCC = 4.5to 16 V
2 mAtyp. 5mA
VCC = 4.5to 16 V
10 mAmax.
VCC = 4.5to 16 V
LED currentwhen output isON
max. max. max.
Hysteresis ∆H* 15%typ.
VCC = 4.5to 16 V
15%typ.
VCC = 4.5to 16 V
15%typ.
VCC = 4.5to 16 V
15%typ.
VCC = 5 to16 V
Responsefrequency
f 3000P.P.Smin.**
VCC = 4.5to 16 V IF= 15 mA
3000P.P.Smin.**
VCC = 4.5to 16 V IF= 15 mA
3000P.P.Smin.**
VCC = 4.5to 16 V IF= 15 mA
3000P.P.Smin.**
VCC = 5 to16 V IF =15 mA
Responsedelay time
tPLH(tPHL)***
3 µstyp.
IOL =16 mA
3 µstyp.
IOL =16 mA
3 µstyp.
IOL =16 mA
3 µstyp.
IOL =16 mA
tPHL(tPLH)***
20 µstyp.
20 µstyp.
20 µstyp.
20 µstyp.
*Hysteresis denotes the difference in forward LED current value, expressed in percentage, calculated from the respective forward LEDcurrents when the photo IC is turned ON and when the photo IC is turned OFF.**The value of the response frequency is measured by rotating the disk as shown below.
2.1 mm
0.5 mm0.5 mm
Disk
2.1 mm
t = 0.2 mm0.2 mm0.2 mm
EE-SX493
***The following illustrations show the definition of response delay time.
Output
0t
t
0t
t
tPHL tPLHtPHLtPLH
0 0
IF IF
Input Input
Output
EE-SX3/SX4 EE-SX3/SX4
Engineering Data
Note: 1. The operating conditions of the photomicrosensor must be within the absolute maximum rating ranges.2. Data in parentheses apply to the EE-SX4.
TEMPERATURE CHARACTERISTICS(TYPICAL)
INPUT CHARACTERISTICS(TYPICAL)
Ambient temperature TA (°C)
FF
orw
ard
curr
ent
I(m
A)
IF PC
Forward voltage VF (V)
FF
orw
ard
curr
ent
I(m
A)
TA = +25°C
TA = +70°CTA = --30°C
C(m
W)
Out
puta
llow
able
diss
ipat
ion
P
LED CURRENT VS. SUPPLY VOLTAGE(TYPICAL)
EE-SX3070/4070
LED
curr
ent
I(m
A)
Supply voltage VCC (V)
FT
TA = 25°CRL = 1kΩ
IFVCC
RL
IFTOFF(IFTON)
IFTON(IFTOFF)
EE-SX493
LED
curr
ent
I(m
A)
FT
Supply voltage VCC (V)
TA = 25°CRL = 1kΩ
IFVCC
RL
GND
IFTON(IFTOFF)
IFTOFF(IFTON)
GND
EE-SX3/SX4EE-SX3/SX4
LED CURRENT VS. AMBIENTTEMPERATURE DEPENDENCY(TYPICAL)
EE-SX3070/4070
LED
curr
ent
I(m
A)
FT
Ambient temperature TA (°C)
VCC = 5 VRL = 330Ω
IFVCC
RL
GND
IFTOFF(IFTON)
IFTON(IFTOFF)
EE-SX493
LED
curr
ent
I(m
A)
FT
Ambient temperature TA (°C)
VCC = 5 VRL = 330Ω
IF VCC
GND
RL
IFTON(IFTOFF)
IFTOFF(IFTON)
LOW LEVEL OUTPUT VOLTAGE VS.OUTPUT CURRENT (TYPICAL)
LOW LEVEL OUTPUT VOLTAGE VS.TEMPERATURE (TYPICAL)
Low
-leve
lout
putv
olta
geV
(mV
)
Output current IC (mA)
OL
TA = 25°CVCC = 5 VIF = 0mA(15mA)
IFVCC
IC
GNDVOL
Low
-leve
lout
putv
olta
geV
(V)
OL
VCC = 5 VIF = 0mA(15mA)
IOL = 16 mA
IOL = 5 mA
IFVCC
IOLVOL
GND
Ambient temperature TA (°C)
EE-SX3/SX4 EE-SX3/SX4
CURRENT CONSUMPTION VS. SUPPLYVOLTAGE (TYPICAL)
RESPONSE DELAY TIME VS. FORWARDCURRENT (TYPICAL)
Cur
rent
cons
umpt
ion
Icc
(mA
)
Supply voltage VCC (V)
TA = 25°CIF = 0mA (15mA)
IF ICCVCC
GND
Res
pons
ede
lay
time
t,t
(s)
Forward current IF (mA)
PH
LP
LHµ
TA = 25°CVCC = 5 VRL = 330 Ω
IF
VCCIF
VOUT
GND
t
t
t
tPHLtPLH
tPHLtPLH
VOUT(EE-SX3)
tPHL (tPLH)
tPLH (tPHL)
RL
VOUT(EE-SX4)
DISTRIBUTION OF SENSING POSITIONCHARACTERISTICS (TYPICAL)
Distance d (mm)
Out
putt
rans
isto
r
ON(OFF)
OFF(ON)
d
IFVCC
RL
GND
EE-SX493 EE-SX398/498
Out
putt
rans
isto
r
Distance d (mm)
ON(OFF)
OFF(ON)
d
IF VCC
RL
GND
TA = 25°CVCC = 5 VIF = 15 mARL = 330 Ωn = 50
TA = 25°CVCC = 5 VIF = 15 mARL = 330 Ωn = 50
EE-SX301/305/401/405
Out
putt
rans
isto
r
Distance d (mm)
TA = 25°CVCC = 5 VIF = 15 mARL = 330 Ωn = 50ON
(OFF)
OFF(ON)
IF
d
VCC
RL
GND
EE-SX384/484
Out
putt
rans
isto
r
Distance d (mm)
TA = 25°CIF = 15 mAVCC = 5 VRL = 330 Ωn = 50
ON(OFF)
OFF(ON)
IFVCC
RL
GND
d
EE-SX3/SX4EE-SX3/SX4
Out
putt
rans
isto
r
Distance d (mm)
TA = 25 °CVCC = 5 VIF = 15 mARL = 330 Ωn = 50
IF VCC
RL
GND
d
ON(OFF)
OFF(ON)
Out
putt
rans
isto
r
Distance d (mm)
TA = 25 °CVCC = 5 VRL = 330 Ωd
IF VCC
RL
GND
IF = 7 mA
IF = 15 mA
ON(OFF)
OFF(ON)
EE-SX493EE-SX3070/4070
DEPENDENCY OF SENSING POSITIONON FORWARD CURRENT (TYPICAL)
EE-SX398/498
Out
putt
rans
isto
r
Distance d (mm)
TA = 25 °CVCC = 5 VRL = 330 Ω
IF = 7 mA
IF = 4 mA
IF =15 mA
IF
RL
GND
VCC
d
ON(OFF)
OFF(ON)
EE-SX301/305/401/405
Out
putt
rans
isto
r
Distance d (mm)
d
TA = 25 °CVCC = 5 VRL = 330 Ω
IF = 7 mA
IF = 4 mA
IF =15 mA
IF
RL
GND
VCC
ON(OFF)
OFF(ON)
EE-SX384/484
Out
putt
rans
isto
r
Distance d (mm)
TA = 25 °CVCC = 5 VRL = 330 Ω
IF = 7 mA
IF = 4 mA
IF = 15 mA
d
IF VCC
RL
GND
ON(OFF)
OFF(ON)
EE-SX3070/4070
Out
putt
rans
isto
r
Distance d (mm)
ON(OFF)
OFF(ON)
d
VCC
RL
GND
IF
IF = 7 mA
IF = 4 mA
IF =15 mA
TA = 25 °CVCC = 5 VRL = 330 Ω
EE-SX3/SX4 EE-SX3/SX4
REPEATED SENSING POSITIONCHARACTERISTICS (TYPICAL)
EE-SX493
Out
putt
rans
isto
r
Distance d (mm)
TA = 25 °CIF = 15 mAVCC = 5 VRL = 330 ΩN: Repeated20 timesON
(OFF)
OFF(ON)
d
VCCRL
GND
IF
d =0.01 mm
EE-SX398/498
Out
putt
rans
isto
r
Distance d (mm)
ON(OFF)
OFF(ON)
TA = 25 °CVCC = 5 VIF = 15 mARL = 300 ΩN: Repeated 20 times
d = 0.01 mm
d
VCC
RL
GND
IF
EE-SX301/305/401/405
Out
putt
rans
isto
r
Distance d (mm)
ON(OFF)
OFF(ON)
d
d = 0.01 mm
VCC
RL
GND
IF
TA = 25 °CVCC = 5 VIF = 15 mARL = 300 ΩN: Repeated 20 times
EE-SX398/484
Out
putt
rans
isto
r
Distance d (mm)
ON(OFF)
OFF(ON)
TA = 25 °CIF = 15 mAVCC = 5 VRL = 330 ΩN: Repeated20 times
d =0.01 mm
VCCRL
GND
IF
d
EE-SX3070/4070
Out
putt
rans
isto
r
Distance d (mm)
ON(OFF)
OFF(ON)
d
d = 0.01 mm
VCC
RL
GND
IF
TA = 25 °CVCC = 5 VIF = 15 mARL = 300 ΩN: Repeated 20 times
EE-SX3/SX4EE-SX3/SX4
Operation INTERNAL CIRCUIT DIAGRAMLight-ON/Dark-ON
A
K
V
O
G
Vcc
OUT
0 V
IccConstantvoltagecircuit
Outputtransistor
Schmittswitchingcircuit
Input section
(GaAs infrared LED)
Output section
(Si photo IC)
Preamplifiercircuit withtemperature-
compensatingcircuit VOH
IOUT
VOL
IF RL
TIMING CHARTLight-ON Dark-ON
Interrupted
ON
OFF
Outputtransistor
Operates
Releases
Load (relay)
H
L
Output voltage(logic)
Incident
ON
OFF
Outputtransistor
Operates
Releases
Load (relay)
H
L
Output voltage(logic)
InterruptedIncident
DimensionsUnit: mm (inch)
EE-SX493
Internal Circuit(All Models)
A
K
VO
G
Cross section BB
Opticalaxis
Cross section AA
Five, 0.25Five, 0.5
KA
VOG
11
8 6
2
B A0.2
9.5
1.5 B A
7
8
8.9 6.9
1.25 1.25
5.5
0.2
6.5
6.9
4.250.75
2.5
(Bottom view)
Terminal N0.AKVOG
NameAnodeCathode
Supply Voltage (VCC)Output (OUT)Ground (GND)
EE-SX3/SX4 EE-SX3/SX4
EE-SX398/498
Cross section AA
Optical axis
Cross section BB
12.2
4-C0.3
Five, 0.25 Five, 0.5
Two, C1
KA
VOG
3
9.2B A
2.5
2.5
10
B A
5
0.5
8.2
2.5
6.2
22
(Bottom view)
EE-SX301/401
Optical axis
Center mark
Cross section BB
Optical axis
Cross section AA
3.4±0.2
2.5±0.2
9.5±0.3
7.2±0.2
14.4 10.5
0.3
3 6.2
B A0.2
10.2
B A2
1.25 1.251.6
6.0 8.0
2.1
0.5 2.10.5
6.0
KA
VOG
3
Five, 0.25
Five, 0.5
(Bottom view)
EE-SX3/SX4EE-SX3/SX4
EE-SX305/405
K V
O
GA
Internal Circuit(All Models)
K
A V
O
G
Optical axis
0.5
2.1
5-0.5
Cross section AA
2.5±0.2
K
A
VOG
AB
AB
5-0.53
3.4±0.2
0.2
13
9.5±0.1Cross section BB
2.1
4 6
10±0.2
0.5
1.251.25
Optical axis
Optical axis
0.5
0.3
3 6.2
114.4
Center mark
(bottom view)
3
EE-SX384/484
G
O
K V
A
5
0.5
5.52
2.5
5-0.5
Cross section AACross section BB K
A
VOG
5.52
0.5
25-0.5
1.251.25
12.5
9
7 min
8
3.5Lot No.
A
AB
B
2.5
(Bottom view)
EE-SX3070/4070
K
A
VOG
2.2
6
80.5
1.251.25
Optical axis
5.2
5-0.5
8.3
17.7
13.8
6.6
2.35
2.57.5
10
2-0.7
Two, C1
6.2
2.5
5-0.5
(Bottom view)
EE-SX3/SX4 EE-SX3/SX4
PrecautionsRefer the Technical Information section for general precautions.
Cat. No. EO5DAX4 1/99 Specifications subject to change without notice. Printed in U.S.A.
OMRON ELECTRONICS, INC.One East Commerce DriveSchaumburg, IL 60173
NOTE: DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters to inches divide by 25.4.
1-800-55-OMRON
OMRON CANADA, INC.885 Milner AvenueScarborough, Ontario M1B 5V8
416-286-6465