Datasheet
EE-SF5(-B) Photomicrosensor (Reflective) 173
■ Engineering Data
Sensing
object
Forward Current vs. Collector
Dissipation Temperature Rating
Light Current vs. Forward Current
Characteristics (Typical)
Light Current vs. Collector−Emitter
Voltage Characteristics (Typical)
Relative Light Current vs.
Ambient Temperature
Characteristics (Typical)
Dark Current vs. Ambient
Temperature Characteristics
(Typical)
Response Time vs. Load
Resistance Characteristics
(Typical)
Sensing Distance Characteristics
(Typical)
Response Time Measurement
Circuit
Sensing Angle Characteristics
(Typical)
Input
Output
Input
Output
90 %
10 %
Distance d (mm)
Sensing Position Characteristics
(Typical)
Sensing Position Characteristics
(Typical)
Sensing Angle Characteristics
(Typical)
Sensing object:
White paper with a
reflection factor of
90%
Ta = 25°C
V
CE
= 10 V
d = 5 mm
Sensing object: White paper
with a reflection factor of 90%
d1 =
5 mm
Phototransistor side
LED side
(a) : d
1
= 3 mm
(b) : d
1
= 5 mm
d1
d = 5 mm
Distance d
2
(mm)
Angle deviation θ (°)
V
CE
= 10 V
0lx
I
F
= 20 mA
V
CE
= 5 V
V
CC
= 5 V
Ta = 25°C
Relative light current I
L
(%)
Sensing object:
White paper with
a reflection factor
of 90%
I
F
= 20 mA
I
F
= 10 mA
I
F
= 30 mA
I
F
= 40 mA
Ta = 25°C
V
CE
= 10 V
Sensing object: White paper
with a reflection factor of 90%
Ta = 25°C
I
F
= 20 mA
V
CE
= 10 V
I
F
= 20 mA
V
CE
= 5 V
Ta = 25°C
Light current I
L
(μA)
Load resistance R
L
(kΩ)
Dark Current I
D
(nA)
Ambient temperature Ta (°C)
Forward current I
F
(mA)
Forward current I
F
(mA)
Collector−Emitter voltage V
CE
(V)
Light current I
L
(μA)
Ambient temperature Ta (°C)
Ambient temperature Ta (°C)
Response time tr, tf (μs)
Relative light current I
L
(%)
Relative light current I
L
(%)
Light current I
L
(mA)
Relative light current I
L
(%)
Distance d
2
(mm)
d = 5 mm
Ta = 25°C
Sensing object: White
paper with a reflection
factor of 90%
I
F
= 20 mA
V
CE
= 5 V
Ta = 25°C
d
1
= 5 mm
Sensing
object: White
paper with a
reflection
factor of 90%
Angle deviation θ (°)
Relative light current I
L
(%)
d = 5 mm
Sensing object: White paper
with a reflection factor of 90%
Ta = 25°C
I
F
= 20 mA
V
CE
= 10 V
Collector dissipation P
C
(mW)