Rainbow Electronics RPR-220 User Manual
RPR-220
Sensors
Reflective photosensor (photoreflector)
RPR-220
The RPR-220 is a reflective photosensor. The emitter is a GaAs infrared light emitting diode and the detector is a highsensitivity, silicon planar phototransistor. A custom lamp was developed to enable the achievement of a smaller package
than with conventional reflectors.
!!!!Application
Compact disc players, Copiers, Game machines, Office
automation equipment
!!!!Features
1) A plastic lens is used for high sensitivity.
2) A built-in visible light filter minimizes the influence of
stray light.
3) Lightweight and compact.
!!!!Absolute maximum ratings (Ta=25°C)
Parameter
Forward current
Input
(LED)
Reverse voltage
Power dissipation
Collector-emitter voltage
Output
(Photo transistor)
Emitter-collector voltage
Collector current
Collector power dissipation
Operating temperature
Storage temperature
Symbol
F
I
V
R
P
D
V
CEO
V
ECO
I
C
P
C
Topr
Tstg
!!!!External dimensions (Units : mm)
Limits
50
5
80
30
4.5
30
80
−25∼+85
−30∼+85
4.96.5Min 20
6.4
2.8
2−φ2.2
2.5±1
(2.8)
4
1
3
2
Unit
mA
mW
mA
mW
˚C
˚C
Note :
1. Unspecified tolerance shall be ±0.2.
2. Dimension in parenthesis are
show for reference.
0.35
1.4
4−0.6
(2.5)
V
V
V
(0.6)
(3.2)(1)
(0.6)
4− 0.5±0.1
Cathode
4
Collector
312Anode
Emitter
1/3
Sensors
!!!!Electrical and optical characteristics (Ta=25°C)
Parameter Symbol
Input
characteristics
Output
characteristics
Transfer
characteristics
!!!!
Electrical and optical characteristic curves
Forward voltage
Reverse current
Dark current
Peak sensitivity wavelength
Collector current
Collector-emitter saturation voltage
Response time
V
V
IR
ICEO
λP
IC
CE
tr·tf
F
(sat)
Min.
−
−
−
−
0.08
−
−
Typ.
1.34
−
−
800
0.3
0.1
10 −
Max.
1.6
10
0.5
−
0.8
0.3
Unit
VI
F=
V
µA
µA
V
nm
µA
V
V
F=
I
µs
V
50mA
R=
5V
CE=
10V
CE=
2V,
20mA,
CC=
10V,
RPR-220
Conditions
−
IF=
10mA
IC=
0.1mA
IF=
20mA,
RL=
100Ω
100
(mW)
C
80
/ P
D
P
CPD
60
40
20
0
0
POWER DISSIPATION /
AMBIENT TEMPERATURE : Ta (°C)
COLLECTOR POWER DISSIPTION : P
Fig.1 Power dissipation / collector power
dissipation vs. ambient temperature
F
(
VCE=2V
d=6mm
mA)
2.5
mA)
(
C
2.0
1.5
1.0
0.5
COLLECTOR CURRENT : I
0
0 1020304050
FORWARD CURRENT : I
Fig.4 Collector current
vs. forward current
1A
10080604020
Ta=25°C
mA)
(
100
F
10
1
FORWARD CURRENT : I
0.1
0.8 1.0 1.2 1.4 1.6 1.8 2.0
2.4
2.2
mA)
2.0
(
C
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
COLLECTOR CURRENT : I
0.2
0
0 5 10 15 20 25
FORWARD VOLTAGE : VF (V)
Fig.2 Forward current
vs. forward voltage
Standard paper (90% reflection)
d=6mm
IF=40mA
30mA
20mA
15mA
COLLECTOR − EMITTER : VCE (
Fig.5 Output characteristics
10mA
5mA
V)
2.0
1.6
(V)
F
1.2
0.8
0.4
FORWARD VOLTAGE : V
0
0 20406080100
AMBIENT TEMPERATURE : Ta (°C)
Fig.3 Forward voltage vs. ambient
temperature
A)
1
(µ
CEO
0.1
0.01
DARK CURRENT : I
0.001
−80 −60 −40 −20 0 20 40 60 80 100 120 140−100
Fig.6 Dark current vs. ambient
VCE=30V
20V
10V
AMBIENT TEMPERATURE : Ta (°C)
temperature
10mA
1mA
2/3
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