Photomicrosensor (Reflective)
EE-SY169A
Be sure to read
Precautions
on page 24.
■
Dimensions
Note:
All units are in millimeters unless otherwise indicated.
■
Features
•
High-quality model with plastic lenses.
•
Highly precise sensing range with a tolerance of
±0.6
mm horizon-
tally and vertically.
•
Convergent reflective model with infrared LED.
•
Recommended sensing distance = 4.0 mm
■
Absolute Maximum Ratings (Ta = 25°C)
Item
Emitter
Forward current
Pulse forward cur-
rent
1±0.1 dia.
(see note)
(see note)
Two, C0.2
1±0.1 dia.
Symbol
I
F
I
FP
V
R
V
CEO
V
ECO
I
C
P
C
Topr
Tstg
Tsol
Rated value
50 mA
(see note 1)
1A
(see note 2)
3V
30 V
---
20 mA
100 mW
(see note 1)
0°C to 70°C
–20°C to 80°C
260°C
(see note 3)
Surface A
Reverse voltage
Detector
Collector–Emitter
voltage
Emitter–Collector
voltage
Collector current
Collector dissipa-
tion
Internal Circuit
A
C
K
E
Note:
These dimensions are for the
surface A. Other lead
wire
pitch dimensions are for the
housing surface.
Unless otherwise specified, the
tolerances are as shown
below.
Dimensions
Tolerance
3 mm max.
3
<
mm
≤
6
6
<
mm
≤
10
10
<
mm
≤
18
18
<
mm
≤
30
Ambient tem-
perature
Operating
Storage
Soldering temperature
Terminal No.
A
K
C
E
Name
Anode
Cathode
Collector
Emitter
±
0.3
±
0.375
±
0.45
±
0.55
±
0.65
Note: 1.
Refer to the temperature rating chart if the ambient temper-
ature exceeds 25°C.
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 = 25°C)
Item
Emitter
Forward voltage
Reverse current
Peak emission wavelength
Detector
Light current
V
F
I
R
λ
P
I
L
Symbol
1.5 V max.
10
μA
max.
920 nm typ.
160
μA
min., 2,000
μA
max.
Value
I
F
= 30 mA
V
R
= 4 V
I
F
= 20 mA
I
F
= 20 mA, V
CE
= 5 V
White paper with a reflection ratio of
90%, d = 4 mm (see note)
V
CE
= 5 V, 0
lx
I
F
= 20 mA, V
CE
= 5 V with no reflec-
tion
---
V
CE
= 5 V
V
CC
= 5 V, R
L
= 1 kΩ, I
L
= 1 mA
V
CC
= 5 V, R
L
= 1 kΩ, I
L
= 1 mA
Condition
Dark current
Leakage current
I
D
I
LEAK
2 nA typ., 200 nA max.
2
μA
max.
---
850 nm typ.
30
μs
typ.
30
μs
typ.
Collector–Emitter saturated volt-
V
CE
(sat)
age
Peak spectral sensitivity wave-
length
Rising time
Falling time
λ
P
tr
tf
Note:
The letter “d” indicates the distance between the top surface of the sensor and the sensing object.
162
EE-SY169A
Photomicrosensor (Reflective)
■
Engineering Data
Forward Current vs. Collector
Dissipation Temperature Rating
Collector dissipation Pc (mW)
Forward current I
F
(mA)
Light Current vs. Forward Current
Characteristics (Typical)
d = 4 mm
V
CE
= 5
V
Light Current vs. Collector−Emitter
Voltage Characteristics (Typical)
Ta = 25°C
d = 4 mm
Sensing object:
White
paper
with
a reflection
factor of 90%
Light current I
L
(μA)
Light current I
L
(μA)
I
F
= 40 mA
I
F
= 30 mA
I
F
= 20 mA
I
F
= 10 mA
I
F
= 5 mA
Ambient temperature Ta (°C)
Forward current I
F
(mA)
Collector−Emitter
voltage V
CE
(V)
Relative Light Current vs.
Ambient Temperature
Characteristics (Typical)
Relative light current I
L
(%)
I
F
= 20 mA
V
CE
= 5
V
Dark Current vs. Ambient
Temperature Characteristics
(Typical)
Dark Current I
D
(nA)
V
CE
= 10
V
0lx
Response Time vs. Load
Resistance Characteristics
(Typical)
Response time tr, tf (μs)
Vcc
= 5
V
Ta = 25°C
Ambient temperature Ta (°C)
Ambient temperature Ta (°C)
Load resistance R
L
(kΩ)
Sensing Distance Characteristics
(Typical)
Ta = 25°C
I
F
= 20 mA
V
CE
= 10
V
Sensing object:
White
paper
with
a reflection
factor of 90%
Sensing Position Characteristics
(Typical)
Relative light current I
L
(%)
Sensing object:
White
I
F
= 20 mA paper
with
a reflection
factor of 90%
V
CE
= 5
V
Ta = 25°C
d
1
= 3.5 mm
d
1
= 4.0 mm
d
1
= 4.5 mm
Sensing Position Characteristics
(Typical)
Relative light current I
L
(%)
I
F
= 20 mA
V
CE
= 5
V
Ta = 25
°
C
d
1
= 4 mm
Sensing object:
White
paper
with
a reflection factor
of 90%
d=0
Direction
Sen-
sor
Sensing
object
Light current I
L
(μA)
Direction
Sen-
sor
Distance d (mm)
Distance d
2
(mm)
Distance d
2
(mm)
Sensing Angle Characteristics
(Typical)
Relative light current I
L
(%)
d = 3 mm Ta = 25°C
d = 4 mm I
F
= 20 mA
d = 5 mm
V
CE
= 10
V
Sensing Angle Characteristics
(Typical)
Relative light current I
L
(%)
Ta = 25°
I
F
= 20 mA
V
CE
= 10
V
Sensing object:
White
paper
with
a reflection
factor of 90%
Response Time Measurement
Circuit
Input
d = 3 mm
d = 4 mm
d = 5 mm
Output
90
%
10
%
Input
Output
Sensing object:
White
paper
with
a reflection factor of 90%
Angle deviation
θ
(°)
Angle deviation
θ
(°)
EE-SY169A
Photomicrosensor (Reflective)
163
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