RPI-121 Rohm Semiconductor, RPI-121 Datasheet
RPI-121
Manufacturer Part Number
RPI-121
Description
SENSOR OPTO SLOT 1MM TRANS THRU
Manufacturer
Rohm Semiconductor
Type
Unamplifiedr
Datasheet
1.RPI-121.pdf
(2 pages)
Specifications of RPI-121
Sensing Distance
0.039" (1mm)
Sensing Method
Transmissive
Output Configuration
Phototransistor
Current - Dc Forward (if)
50mA
Current - Collector (ic) (max)
30mA
Voltage - Collector Emitter Breakdown (max)
30V
Response Time
10µs, 10µs
Mounting Type
Through Hole
Package / Case
PCB Mount
Operating Temperature
-25°C ~ 85°C
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
0.4 mm
Output Device
Phototransistor
Power Dissipation
80 mW
Maximum Fall Time
10 us
Maximum Operating Temperature
+ 85 C
Maximum Rise Time
10 us
Minimum Operating Temperature
- 25 C
Wavelength
950 nm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
511-1336
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RPI-121
Manufacturer:
ROHM Semiconductor
Quantity:
94
Company:
Part Number:
RPI-121
Manufacturer:
ROHM
Quantity:
40 000
Company:
Part Number:
RPI-121/RPI121
Manufacturer:
ROHM
Quantity:
50 000
RPI-121
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
75
50
25
75
50
25
Parameter
0
0
Fig.1 Relative output current vs.
Parameter
0
0
Fig.4 Relative output current vs.
distance ( )
0.5
0.5
distance ( )
DISTANCE : d
DISTANCE : d
1.0
1.0
Photointerrupter, Ultraminiature type
1.5
1.5
(mm)
(mm)
2.0
2.0
Symbol
V
tr tf
tr tf
Symbol
I
CE(sat)
V
CEO
I
I
d
V
V
Topr
I
λ
f
λ
λ
Tstg
C1
C2
R
C
V
P
P
F
P
P
P
I
CEO
ECO
I
F
C
R
D
C
2.5
2.5
Min.
0.7
0.2
−
−
−
−
−
−
−
−
−
−
−25 to +85
−40 to +100
Typ.
800
Fig.5 Power dissipation / collector power
Limits
1.3
950
800
10
−
−
−
−
−
10
4.5
1
50
80
30
30
80
5
120
100
50
40
30
20
10
80
60
40
20
dissipation vs. ambient temperature
0
0
Max.
1.6
10
0.5
0.3
−20
−20
−
−
−
−
−
−
−
−
AMBIENT TEMPERATURE : Ta (˚C)
Fig.2 Forward current falloff
AMBIENT TEMPERATURE : Ta
P
D
0
0
Unit
MHz
µA
µA
nm
mA
mA
nm
nm
µs
µs
P
V
V
Unit
mW
mW
C
mA
mA
°C
°C
V
V
V
20
20
I
V
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
CC
R
CE
CE
CE
CC
=
=
40
40
=
= 5V, I
50mA
20mA, I
=
=
=
=
5V
10V
5V, I
5V, I
5V, I
60
60
C
= 1mA, R
F
F
F
=
=
C
=
20mA
5m
=
20mA, R
80
80
(
0.3mA
˚C
)
L
= 100Ω
100
100
L
=
Conditions
100Ω
−
−
Optical control equipment
Cameras
Floppy disk drives
1) Ultra-small.
2) Minimal influence from stray light.
3) Low collector-emitter saturation voltage.
Applications
Features
160
140
120
100
50
40
30
20
10
80
60
40
20
0
0.2
0
Fig.3 Forward current vs. forward
Fig.6 Relative output vs. ambient
0.4
−40 −20
AMBIENT TEMPERATURE : Ta
FORWARD VOLTAGE : V
temperature
voltage
0.6
0.8
0
1.0
20
1.2
40
1.4
60
F
(
V)
−25˚C
1.6
(
80
˚C
25˚C
50˚C
75˚C
0˚C
)
1.8
100
10
8
6
COLLECTOR TO EMITTER VOLTAGE: V
5
4
3
2
1
0
4
2
0
0
0
External dimensions (Unit : mm)
Fig.10 Output characteristics
Fig.7 Collector current vs.
FORWARD CURRENT : I
10
2
forward current
20
4
30
6
F
I
F
(mA)
40
=50mA
8
40mA
30mA
20mA
10mA
Gap
CE
(V)
(2.65)
50
10
0.8
3.6
1
A
A
Fig.11 Response time measurement circuit
4-0.2
t
t
t
d
r
f
:
100
:
:
Optical axis center
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)
10
0.05 0.1
Input
2-R0.3
1
2-R0.1
COLLECTOR CURRENT : I
Fig.8 Response time vs.
V
CC
Cross-section A-A
R
collector current
L
Output
Input
Output
t
d
1
Anode
Cathode
R
R
R
t
r
L
L
L
=1kΩ
=500Ω
=100Ω
C
(mA)
0.4
(2)
t
f
10
90%
10%
Collector
Emitter
4-0.5
4-0.4
Through hole
4- φ 0.8
1000
100
0.1
Notes:
1.
2. Dimension in parenthesis are
10
1
shall be ±0.2 .
show for reference.
Unspecified tolerance
−25
AMBIENT TEMPERATURE : Ta
Fig.9 Dark current vs.
ambient temperature
0
2.65
25
50
V
V
V
CE
CE
CE
=30V
=20V
=10V
75
(
˚C
)
100
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RPI-121 Summary of contents
Page 1
... RPI-121 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 −40 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 ...