Rainbow Electronics RPI-131 User Manual
RPI-131
Sensors
Photointerrupter, double-layer mold type
RPI-131
The RPI-131 is an ultra-small size, double-layer photointerrupter.
z
zExternal dimensions (Units : mm)
z
zApplications
zz
Optical control equipment
Cameras
Floppy disk drives
zzzz
Features
1) Ultra-smal l.
2) Minimal influence from stray light.
3) Low collector-em itter sa turat ion volt age.
zz
4.2
4.2
A
1.2
2.8
Optical axis
1.3 1
A
Notes:
1. Unspecified tolerance
shall be ±0.2.
2. Dimension in parenthesis are
show for reference.
Cross-section A-A
0.4
(1.2)
center
C0.5
φ1.5
+0.1
−0
zzzz
Absolute maximum ratings
Parameter Symbol
)
Forward current
LED
(
Reverse voltage
Power dissipation
Input
Collector-emitter voltage
)
Emitter-collector voltage
Output
Collector current
photo-
transistor
(
Collector power dissipation
Operating temperature
Storage temperature
(T a = 25°C)
I
F
V
P
V
CEO
V
ECO
C
I
P
Topr
Tstg
(1.5) Min.5 5.2
Limits
50
R
D
5
80
Unit
mA
mW
30
4.5
30
C
80
mA
mW
−25~+85
−40~+100
2−0.2
(3.2)
Anode
Cathode
V
V
V
°C
°C
0.5
(2.5)
Collector
Emitter
Sensors
z
zElectrical and optical characteristics (T a = 25°C)
zz
Parameter Symbol
Forward voltage
Reverse current
Input
charac-
teristics
Dark current
Peak sensitivity wavelength
Output
charac-
teristics
Collector current
Collector-emitter saturation
voltage
Transfer
charac-
teristics
Response time
z
zElectrical and optical characteristic curves
zz
120
(mW)
C
/ P
D
100
PDP
80
60
40
20
0
−20 0 40 60 8020 100
POWER DISSIPATION /
COLLECTOR POWER DISSIPATION : P
C
AMBIENT TEMPERATURE : Ta (°C)
Fig.1 Power dissipation / collector power
dissipation vs. ambient temperature
F
V
I
R
I
CEO
λ
P
I
C1
I
C2
V
CE(sat)
tr · t
f
50
(mA)
F
40
30
20
10
FORWARD CURRENT : I
0
0.40.2 0.6 0.8 1.0 1.2 1.4 1.6 1.8
Fig.2 Forward current vs. forward voltage
Min.
Typ.
Max.
1.3
−
−
−
−
0.7
0.2
−
−
FORWARD VOLTAGE : VF (V)
1.6
10
−
0.5
−
800
−
−
−
−− V
0.3
−
10
−
−25°C
75°C
25°C
50°C
75°C
Unit
V
µA
µA
nm
mA
mA
V
µs
F
=50mA
I
R
V
CE
V
CE
V
CE
I
F
=20mA, IC=0.3mA
V
CC
Conditions
=5V
=10V
−
=5V, IF=20mA
=5V, IF=5m
=5V, IF=20mA, RL=100Ω
5
4
(mA)
C
3
2
1
COLLECTOR CURRENT : I
0
0 1020304050
FORWARD CURRENT : IF (mA)
Fig.3 Collector current vs. forward current
RPI-131
1000
100
(nA)
CEO
10
1
DARK CURRENT : I
0.1
AMBIENT TEMPERATURE : Ta (°C)
Fig.4 Dark current
Fig.4 vs. ambient temperature
VCE=10V
VCE=20V
VCE=30V
160
(%)
C
140
120
100
80
60
40
20
RELATIVE COLLECTOR CURRENT : I
0
100−25 0 25 50 75
−40 −20 0 20 40 60 80 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.5 Relative output vs. ambient
temperature
(%)
C
100
80
60
40
20
0
RELATIVE COLLECTOR CURRENT : I
1234560
Fig.6 Relative output current vs.
distance
DISTANCE : d (mm)
d
Shield plate
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