RPI-124 Rohm Semiconductor, RPI-124 Datasheet
RPI-124
Manufacturer Part Number
RPI-124
Description
Photointerruptors PHOTOINTERRUPTER ULTRA MIN; HIGH RES
Manufacturer
Rohm Semiconductor
Datasheet
1.RPI-124F.pdf
(2 pages)
Specifications of RPI-124
Maximum Fall Time
10 us
Maximum Operating Temperature
+ 85 C
Maximum Rise Time
10 us
Minimum Operating Temperature
- 25 C
Wavelength
950 nm
Sensing Method
Transmissive
Output Collector Emitter Voltage (detector)
30 V
Maximum Reverse Voltage (emitter)
5 V
Maximum Collector Current (detector)
30 mA
Slot Width
1 mm
Aperture Width
0.15 mm
Output Device
Phototransistor
Power Dissipation
80 mW
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer:
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RPI-124
Absolute maximum ratings (Ta=25°C)
Electrical and optical characteristics (Ta=25°C)
Electrical and optical characteristics curves
Forward current
Reverse voltage
Power dissipation
Collector-emitter voltage
Emitter-collector voltage
Collector current
Collector power dissipation
Operating temperature
Storage temperature
Forward voltage
Reverse current
Dark current
Peak sensitivity wavelength
Collector current
Collector-emitter saturation
voltage
Response time
Cut-off frequency
Peak light emitting wavelength
Response time
Maximum sensitivity wavelength
125
100
125
100
Parameter
75
50
25
75
50
25
Parameter
0
0
Fig.1 Relative output current vs.
0
0
Fig.4 Relative output current vs.
distance ( )
1
1
distance ( )
DISTANCE : d (mm)
DISTANCE : d (mm)
2
2
Photointerrupter, Ultraminiature type
3
3
Symbol
V
4
4
I
CE(sat)
tr tf
CEO
tr tf
V
I
λ
I
λ
f
λ
Symbol
R
C
C
F
P
P
P
V
V
Topr
d
Tstg
V
P
P
I
CEO
ECO
I
F
C
R
D
C
5
5
Min.
0.3
−
−
−
−
−
−
−
−
−
−
−25 to +85
−30 to +100
Typ.
1.3
800
950
800
10
10
−
−
−
−
1
Limits
4.5
50
80
30
30
80
5
Fig.5 Power dissipation / collector power
100
50
40
30
20
10
80
60
40
20
Max.
0
0
−25
1.6
10
0.5
1.5
0.3
−20
−
−
−
−
−
−
dissipation vs. ambient temperature
Fig.2 Forward current falloff
P
AMBIENT TEMPERATURE : Ta (°C)
AMBIENT TEMPERATURE : Ta (°C)
D
Unit
MHz
µA
µA
nm
mA
0
0
µs
nm
nm
V
V
µs
P
Unit
mW
mW
C
mA
mA
°C
°C
V
V
V
20
25
I
V
V
V
I
V
I
∗ Non-coherent Infrared light emitting diode used.
V
∗ This product is not designed to be protected against electromagnetic wave.
F
F
F
= 50mA
R
CE
CE
= 20mA, I
CC
= 50mA
CC
= 5V
= 5V, I
= 10V
= 5V, I
= 5V, I
40
50
C
F
F
= 1mA, R
60
= 20mA
C
= 20mA, R
= 0.15mA
75 85
80
L
= 100Ω
L
100
100
= 100Ω
Conditions
−
−
Optical control equipment
Cameras
Floppy disk drives
1) Ultra-small.
2) High-precision position detection
3) Minimal influence from stray light.
4) Low collector-emitter saturation voltage.
Applications
Features
(slit width = 0.15mm).
160
140
120
100
50
50
40
40
30
30
20
20
10
10
80
60
40
20
0
0
0
0.2
0.2
Fig.3 Forward current vs. forward
Fig.6 Relative output vs. ambient
−40 −20
0.4
0.4
AMBIENT TEMPERATURE : Ta (°C)
FORWARD VOLTAGE : V
temperature
voltage
0.6
0.6
0.8
0.8
0
1.0
1.0
20
1.2
1.2
40
1.4
1.4
60
F
(
V
)
−25 °C
1.6
1.6
80
25 °C
50 °C
75 °C
0 °C
100
1.8
1.8
2.5
1.5
0.5
5
4
3
2
1
0
2
1
0
COLLECTOR TO EMITTER VOLTAGE : V
0
0
External dimensions (Unit : mm)
Fig.10 Output characteristics
Fig.7 Collector current vs.
FORWARD CURRENT : I
10
2
Max.0.3
forward current
I
F
=50mA
20
40mA
30mA
20mA
10mA
4
30
6
Gap
4 (bottom)
F
40
(mA)
8
3.9
1
(3)
V
CE
=5V
A
A
CE
50
10
(V)
4-0.2
Optical axis center
Fig.11 Response time measurement circuit
t
t
t
d
r
f
:
100
:
:
10
Delay time
Rise time (time for output current to rise from
10% to 90% of peak current)
Fall time (time for output current to fall from 90%
to 10% of peak current)
0.05
Input
1
0.1
COLLECTOR CURRENT : Ic (mA)
Fig.8 Response time vs.
V
CC
R
collector current
L
Output
Input
Output
Through hole
Cross-section A-A
t
d
1
t
R
R
R
r
L
L
L
Cathode
=1kΩ
=500Ω
=100Ω
Anode
3
t
f
(2)
10
90%
10%
Emitter
Collector
0.15 ± 0.1
4-0.4
4-0.5
1000
Notes:
1.
2. Dimension in parenthesis are
4- φ 0.8
100
0.1
10
shall be ±0.2 .
show for reference.
1
Unspecified tolerance
−25
AMBIENT TEMPERATURE : Ta (°C)
Fig.9 Dark current vs.
0
ambient temperature
25
50
V
V
V
CE
CE
CE
75
=30V
=20V
=10V
100
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RPI-124 Summary of contents
Page 1
... RPI-124 Photointerrupter, Ultraminiature type Absolute maximum ratings (Ta=25°C) Parameter Symbol Limits Unit Forward current Reverse voltage Power dissipation Collector-emitter voltage CEO Emitter-collector voltage V 4.5 V ECO Collector current Collector power dissipation −25 to +85 °C Operating temperature Topr −30 to +100 °C Storage temperature Tstg Electrical and optical characteristics (Ta=25° ...
Page 2
Appendix No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product ...