ROHM RPI-125

External dimensions (Unit : mm)
RPI-125
Photointerrupter, Ultraminiature type
(4-0.35)
(4-0.3)
Absolute maximum ratings (Ta=25°C)
VCEO
30
V
Emitter-collector voltage
VECO
4.5
V
Collector current
IC
30
mA
Collector power dissipation
PC
80
mW
Topr
−25 to +85
°C
1.0
Features
3 . 6 ±0 . 3
1) Ultra-small.
2) Gap 1.2mm.
Storage temperature
Tstg
−30 to +85
°C
Soldering temperature
Tsol
260/5
°C/sec
Min.
Typ.
Max.
Unit
VF
−
1.3
1.6
V
IF=50mA
Reverse current
IR
−
−
10
µA
VR=5V
VCE=10V
ICEO
−
−
0.5
µA
Peak sensitivity wavelength
λP
−
800
−
nm
Collector current
IC
0.45
1.8
4.95
mA
emitter
diode
0.3
C0.4
Optical axis center
Conditions
A
0.5
teristics teristics
Symbol
Response time
C0.2
A
Parameter
0.4
2-R0.3
0.5
0.15
(2.75)
−
(2)
VCE=5V, IF=20mA
IF=20mA, IC=0.1mA
VCE(sat)
−
−
0.4
V
Rise time
tr
−
10
−
µs
Fall time
tf
−
10
−
µs
Collector-emitter saturation voltage
2.6
1 . 2 ±0 . 3
(2-0.1)
Forward voltage
Cross-section A-A
Gap
Electrical and optical characteristics (Ta=25°C)
Dark current
1.6
Cut-off frequency
fC
−
1
−
MHz
Peak light emitting wavelength
λP
−
950
−
nm
Response time
tr tf
−
10
−
µs
Maximum sensitivity wavelength
λP
−
800
−
nm
Emitter
Cathode
Collector
Anode
VCC=5V, IF=20mA, RL=100Ω
IF=50mA
∗ Non-coherent Infrared light emitting diode used.
VCC=5V, IC=1mA, RL=100Ω
∗ This product is not designed to be protected against electromagnetic wave.
Notes:
1. Unspecified tolerance
shall be ±0.2 .
2. Dimension in parenthesis are
show for reference.
−
5
125
0
0
0.5
1.0
1.5
2.0
20
10
0
2.5
DISTANCE : d (mm)
0
20
40
60
80
75
50
25
0
0
0.5
1.0
1.5
2.0
DISTANCE : d (mm)
Fig.4 Relative output current vs.
distance ( )
POWER DISSIPATION /
COLLECTOR POWER DISSIPTIONPD/PC (mW)
100
10
0
0.2
100
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Fig.2 Forward current falloff
Fig.3 Forward current vs. forward
voltage
100
PD PC
80
60
40
20
−20
0
20
40
60
80
100
AMBIENT TEMPERATURE : Ta (°C)
Fig.5 Power dissipation / collector power
dissipation vs. ambient temperature
3
2
1
80
60
40
20
0
−25
0
25
50
VCE=5V
IF=20mA
75
100
AMBIENT TEMPERATURE : Ta (°C)
Fig.6 Relative output vs. ambient
temperature
RL=500Ω
10
RL=100Ω
5
10
15
20
25
1
0.05 0.1
FORWARD CURRENT : IF (mA)
Fig.7 Collector current vs.
forward current
Input
7
100
RL=1kΩ
100
VCE=30V
VCE=20V
VCE=10V
10
1
0.1
0
0
1.8
FORWARD VOLTAGE : VF (V)
120
0
20
AMBIENT TEMPERATURE : Ta (°C)
125
d
RELATIVE COLLECTOR CURRENT : IC (%)
Fig.1 Relative output current vs.
distance ( )
−20
30
4
RESPONSE TIME : tr (µs)
25
30
40
COLLECTOR CURRENT : IC (mA)
50
40
−25°C
0°C
25°C
50°C
75°C
COLLECTOR CURRENT : IC (mA)
75
FORWARD CURRENT : IF (mA)
d
RELATIVE COLLECTOR CURRENT : Ic (%)
100
50
100
1000
50
FORWARD CURRENT : IF (mA)
RELATIVE COLLECTOR CURRENT : IC (%)
Electrical and optical characteristics curves
DARK CURRENT : ICEO (nA)
Input(LED)
Operating temperature
Photo
Infrared Transfer
Output Input
transistor light
characteristics charac- charac-
Output
Collector-emitter voltage
DSC(Digital steal camera)
DVC(Digital video camera)
Digital handy phone
2
mW
2.5± 0.5
80
(0.4)
PD
(0.7)
Power dissipation
Applications
4 - φ0 . 8
3.3
V
(4-0.2)
mA
5
(2-0.2)
50
VR
(0.75)
IF
Reverse voltage
(4-0.6)
Forward current
0.15
Unit
2.2
Limits
2.8
Symbol
Parameter
(phototransistor )
2.75
Through hole
1
10
VCC
Input
Output
25mA
20mA
2
10mA
1
5mA
90%
RL
10%
Output
td
tr
tf
td : Delay time
t r : Rise time (time for output current to rise from
0
0
10% to 90% of peak current)
2
4
6
8
10
COLLECTOR TO EMITTER VOLTAGE: VCE (V)
Fig.10 Output characteristics
50
75
Fig.9 Dark current vs.
ambient temperature
IF=30mA
15mA
25
Fig.8 Response time vs.
collector current
5
3
0
AMBIENT TEMPERATURE : Ta (°C)
6
4
−25
COLLECTOR CURRENT : IC (mA)
t f : Fall time (time for output current to fall from 90%
to 10% of peak current)
Fig.11 Response time measurement circuit
100
Appendix
Notes
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 described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1