ROHM RPI

External dimensions (Unit : mm)
RPI-246
Photointerrupter, Small type
Through hole
5
Forward current
IF
50
mA
Reverse voltage
VR
5
V
PD
80
mW
Collector-emitter voltage
VCEO
30
V
Emitter-collector voltage
Gap
V
30
mA
Collector power dissipation
PC
80
mW
Operating temperature
Topr
−25 to +85
°C
Storage temperature
Tstg
−30 to +85
°C
1) Compact package based on the
double-mold.
2) Method High resolution
(slit width = 2.0mm)
3) Gap between emitter and detector
is 2.0mm.
A
φ1 . 5
Min.
Typ.
Max.
Unit
VF
−
1.3
1.6
V
IF=50mA
−
−
10
µA
VR=5V
−
−
0.5
µA
VCE=10V
Peak sensitivity wavelength
λP
−
800
−
nm
Collector current
IC
0.35
−
1.2
mA
VCE(sat)
−
−
0.4
V
IF=20mA, IC=0.2mA
tr tf
−
10
−
µs
VCC=5V, IF=20mA, RL=100Ω
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
(4)
−
(2.5)
VCE=5V, IF=20mA
Collector
IF=50mA
∗ Non-coherent Infrared light emitting diode used.
Notes:
1. Unspecified tolerance
shall be ±0.2 .
2. Dimension in parenthesis are
show for reference.
VCC=5V, IC=1mA, RL=100Ω
∗ This product is not designed to be protected against electromagnetic wave.
Cathode
0.1
−
Emitter
0.5
1
1.5
2
10
0
3
2.5
−20
Fig.1 Relative output current vs.
distance ( )
25
1
1.5
2
2.5
DISTANCE : d (mm)
Fig.4 Relative output current vs.
distance ( )
3
POWER DISSIPATION /
COLLECTOR POWER DISSIPATION : PD / Pc (mW)
d
50
0.5
40
60
80
20
10
0
0
100
0.4
100
PD
PC
60
40
20
0
−20
0
20
40
60
80
1.2
1.6
1.5
1.0
100
AMBIENT TEMPERATURE : Ta (°C)
Fig.5 Power dissipation / collector power
dissipation vs. ambient temperature
80
60
40
20
0
−25
0
25
50
75
RL=500Ω
10
RL=100Ω
10
20
30
40
50
1
0.1
FORWARD CURRENT : IF (mA)
VCE=5V
IF=20mA
100
RL=1kΩ
100
AMBIENT TEMPERATURE : Ta (°C)
Fig.6 Relative output vs. ambient
temperature
1000
100
VCE=30V
VCE=20V
VCE=10V
10
1
0.1
0
0
2.0
100
0.5
Fig.7 Collector current vs.
forward current
Fig.3 Forward current vs. forward
voltage
120
80
0.8
2.0
FORWARD VOLTAGE : VF (V)
Fig.2 Forward current falloff
IF=20mA
VCE=5V
75
0
0
20
30
AMBIENT TEMPERATURE : Ta (°C)
DISTANCE : d (mm)
100
0
40
Ta=25°C
Vcc=5V
DARK CURRENT : ID (nA)
20
RELATIVE COLLECTOR CURRENT : Ic (%)
0
0
30
−25°C
0°C
25°C
50°C
75°C
1000
VCE=5V
Ta=25°C
2.5
RESPONSE TIME : t (µs)
25
40
COLLECTOR CURRENT : Ic (mA)
d
50
50
50
Input
COLLECTOR CURRENT : Ic (mA)
75
FORWARD CURRENT : IF (mA)
IF=20mA
VCE=5V
100
FORWARD CURRENT : IF (mA)
RELATIVE COLLECTOR CURRENT : Ic (%)
Electrical and optical characteristics curves
RELATIVE COLLECTOR CURRENT : Ic (%)
Infrared
light
emitter
diode
4-0.5
4-0.2
Anode
Response time
Photo
transistor
(1.5)
Output Input
charac- characteristics teristics
IR
Transfer
characteristics
Conditions
ICEO
+0.1
-0
Min.5
Symbol
Forward voltage
Collector-emitter saturation
voltage
Optical axis center
A
2-C0.3
Electrical and optical characteristics (Ta=25°C)
Dark current
(1.6)
1
4.5
IC
Reverse current
C0.5
1.3
VECO
Collector current
Parameter
Cross-section A-A
2
Features
2.8
Power dissipation
Floppy disk drives
Movie equipment
Cameras
Printers
2.5
Unit
0.2
Limits
4.2
Applications
Symbol
5.2
Output
(phototransistor )
Input (LED)
Parameter
4 - φ0 . 8
+0.2
-0.15
Absolute maximum ratings (Ta=25°C)
4
1
10
100
VCC
Input
90%
RL
10%
Output
td
20mA
tr
tf
10mA
0
0
2
4
6
8
10
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.10 Output characteristics
50
75
Fig.9 Dark current vs.
ambient temperature
Output
30mA
25
Fig.8 Response time vs.
collector current
IF=50mA
1.0
0
AMBIENT TEMPERATURE : Ta (°C)
2.0
40mA
−25
COLLECTOR CURRENT : Ic (mA)
td: Delay time
t r : Rise time (time for output current to rise
from 10% to 90% of peak current)
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