External dimensions (Unit : mm)
RPI-122
Photointerrupter, Ultraminiature type
4.4+-00.1
Cross-section B-B
+0.05
-0.2
0.25
2.7
3.6 0.1
Through hole
1.3
1.5
Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
mA
V
Applications
Forward current
IF
50
Optical control equipment
Cameras
Floppy disk drives
Reverse voltage
VR
5
Power dissipation
PD
80
mW
V
4-φ0.8
Collector-emitter voltage
Emitter-collector voltage
Collector current
VCEO
VECO
IC
30
4.5
V
Features
30
mA
mW
°C
B
A
1) Ultra-small.
2) Minimal influence from stray light.
3) Low collector-emitter saturation voltage.
Collector power dissipation
Operating temperature
Storage temperature
PC
80
Gap
0.8
Topr
Tstg
−25 to +85
−40 to +100
0.4 +0.15
Cross-section A-A
-0.1
0.1
°C
Optical axis center
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
VF
−
V
IF=50mA
VR=5V
IR
−
µA
µA
nm
mA
4-0.5
4-0.4
ICEO
−
−
0.5
−
VCE=10V
B
A
4-0.2
Peak sensitivity wavelength
Collector current
λP
−
800
−
−
IC
0.18
1.08
VCE=0.7V, IF=3mA
IF=20mA, IC=0.3mA
(2)
(2.7)
Collector-emitter saturation
voltage
VCE(sat)
−
−
0.3
V
Response time
tr tf
−
−
−
10
1
−
−
−
µs
MHz
nm
VCC=5V, IF=20mA, RL=100Ω
fC
Cut-off frequency
Collector
Anode
IF=50mA
∗ Non-coherent Infrared light emitting diode used.
λ
P
950
Peak light emitting wavelength
Response time
Notes:
1. Unspecified tolerance
shall be 0.2 .
VCC=5V, IC=1mA, RL=100Ω
tr tf
µs
−
−
10
−
−
∗ This product is not designed to be protected against electromagnetic wave.
2. Dimension in parenthesis are
show for reference.
λ
P
nm
−
Maximum sensitivity wavelength
800
Cathode
Emitter
Electrical and optical characteristics curves
100
125
1000
50
5
4
3
2
1
0
−25°C
°C
50
100
0
100
40
30
20
10
0
d
25°C
50°C
75°C
V
CE=30V
VCE=20V
CE=10V
40
RL=1kΩ
75
10
1
V
RL=500Ω
10
30
50
20
RL=100Ω
25
10
0.1
1
0.05 0.1
0
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
0
0.5
1.0
1.5
2.0
2.5
0
10
20
30
40
50
1
10
−25
0
25
50
75
100
−20
0
20
40
60
80
100
DISTANCE : d (mm)
AMBIENT TEMPERATURE : Ta (°C)
FORWARD CURRENT : IF (mA)
COLLECTOR CURRENT : Ic (mA)
FORWARD VOLTAGE : VF (V)
AMBIENT TEMPERATURE : Ta (°C)
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
125
160
Input
VCC
120
100
80
60
40
20
0
20
140
120
100
80
100
75
PD PC
IF=50mA
Input
Output
RL
40mA
30mA
90%
10%
10
50
Output
60
td
20mA
10mA
40
tr
tf
25
0
td : Delay time
20
Rise time (time for output current to rise from
10% to 90% of peak current)
tr :
0
0
−20
0
20
40
60
80
100
0
0.5
1.0
1.5
2.0
2.5
−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)
AMBIENT TEMPERATURE : Ta (°C)
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
DISTANCE : d (mm)
AMBIENT TEMPERATURE : Ta (°C)
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
)