External dimensions (Unit : mm)
RPI-124
Through hole
Photointerrupter, Ultraminiature type
3
4 (bottom)
4-φ0.8
Absolute maximum ratings (Ta=25°C)
Applications
Parameter
Symbol
Limits
Unit
mA
V
Forward current
IF
50
Optical control equipment
Cameras
Reverse voltage
VR
5
Floppy disk drives
3.9
Power dissipation
PD
80
mW
V
Cross-section A-A
0.15 0.1
Gap
1
Collector-emitter voltage
Emitter-collector voltage
Collector current
VCEO
VECO
IC
30
4.5
Features
A
V
1) Ultra-small.
2) High-precision position detection
(slit width = 0.15mm).
3) Minimal influence from stray light.
4) Low collector-emitter saturation voltage.
30
mA
mW
°C
Optical axis center
Collector power dissipation
Operating temperature
Storage temperature
PC
80
Topr
Tstg
−25 to +85
−30 to +100
°C
Max.0.3
A
4-0.5
Electrical and optical characteristics (Ta=25°C)
Parameter
Forward voltage
Reverse current
Dark current
Symbol
Min.
Typ.
1.3
−
Max.
1.6
10
Unit
Conditions
4-0.2
4-0.4
VF
−
V
IF=50mA
(3)
IR
−
µA
µA
nm
mA
VR=5V
(2)
ICEO
−
−
0.5
−
VCE=10V
Peak sensitivity wavelength
Collector current
λP
−
800
−
−
IC
0.3
1.5
VCE=5V, IF=20mA
Anode
Collector
Collector-emitter saturation
voltage
VCE(sat)
−
−
0.3
V
IF=20mA, IC=0.15mA
Response time
tr tf
−
−
−
10
1
−
−
−
µs
MHz
nm
VCC=5V, IF=20mA, RL=100Ω
fC
Cut-off frequency
IF=50mA
∗ Non-coherent Infrared light emitting diode used.
Cathode
Emitter
λ
P
950
Peak light emitting wavelength
Response time
Notes:
1. Unspecified tolerance
shall be 0.2 .
2. Dimension in parenthesis are
show for reference.
VCC=5V, IC=1mA, RL=100Ω
tr tf
µs
−
−
10
−
−
∗ This product is not designed to be protected against electromagnetic wave.
λ
P
nm
−
Maximum sensitivity wavelength
800
Electrical and optical characteristics curves
5
4
3
100
125
VCE=5V
50
1000
−25°C
°C
50
100
0
40
30
20
10
0
d
25°C
50°C
75°C
100
40
RL=1kΩ
VCE=30V
75
VCE=20V
VCE=10V
10
30
RL=500Ω
10
50
2
1
0
20
1
RL=100Ω
25
10
0.1
1
0
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
0
1
2
3
4
5
−20
0
20
40
60
80
100
0
10
20
30
40
50
0.05 0.1
1
10
−25
0
25
50
75
100
DISTANCE : d (mm)
AMBIENT TEMPERATURE : Ta (°C)
FORWARD CURRENT : IF (mA)
COLLECTOR CURRENT : Ic (mA)
AMBIENT TEMPERATURE : Ta (°C)
FORWARD VOLTAGE : VF (V)
Fig.1 Relative output current vs.
distance ( )
Fig.3 Forward current vs. forward
voltage
Fig.7 Collector current vs.
forward current
Fig.8 Response time vs.
collector current
Fig.9 Dark current vs.
ambient temperature
Fig.2 Forward current falloff
100
80
60
40
20
0
160
125
Input
VCC
2.5
2
140
120
100
80
IF=50mA
PD
PC
100
75
50
25
0
40mA
30mA
Input
Output
RL
1.5
1
90%
10%
20mA
10mA
Output
60
td
40
tr
tf
0.5
Delay time
td :
tr :
20
0
Rise time (time for output current to rise from
10% to 90% of peak current)
0
0
1
2
3
4
5
−25
0
25
50
75 85 100
−40 −20
0
20 40 60 80 100
0
2
4
6
8
10
tf : Fall time (time for output current to fall from 90%
to 10% of peak current)
DISTANCE : d (mm)
AMBIENT TEMPERATURE : Ta (°C)
AMBIENT TEMPERATURE : Ta (°C)
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.4 Relative output current vs.
distance (
Fig.5 Power dissipation / collector power
dissipation vs. ambient temperature
Fig.6 Relative output vs. ambient
temperature
)
Fig.10 Output characteristics
Fig.11 Response time measurement circuit