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