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RPR-359F
Sensors
Reflective photosensor (photoreflector)
RPR-359F
The RPR-359F is a reflective photosensor. The emitter is a GaAs infrared light emitting diode and the detector is a high-sensitivity, silicon planar phototransistor. A plastic lens is used for high sensitivity. In addition, since it is molded in plastic with a visible light filter, there is almost no effect from stay light.
!Application Copiers, Compact disc players
!External dimensions (Units : mm)
8.70.1
0.5
3.6 0.5 3.6
0.5 0.65
5.80.1
2.00.3
12Min.
0.60.1
4- 0.50.1
!Absolute maximum ratings (Ta=25C)
Parameter Forward current Input (LED) Reverse voltage Power dissipation Collector-emitter voltage Output (Phototransistor) Emitter-collector voltage Collector current Collector power dissipation Operating temperature Storage temperature Symbol IF VR PD VCEO VECO IC PC Topr Tstg Limits 50 5 80 30 4.5 30 100 -25+85 -40+100 Unit mA V mW V V mA mW C C
5.80.5
(4.2)
(2.5)
2.10.5 4.4
!Features 1) A plastic lens is used for high sensitivity. 2) A built-in visible light filter minimizes the influence of stray light. 3) Low collector-emitter saturation voltage. 4) Lightweight and compact.
1 2
3 4 0.65
Notes : 1. Unspecified tolerance shall be 0.2. 2. Dimension in parenthesis are show for reference. 1 Cathode 2 Anode 3 Collector 4 Emitter
4.50.1
0.35
1/3
RPR-359F
Sensors
!Electrical and optical characteristics (Ta=25C)
Parameter Input characteristics Output characteristics Forward voltage Reverse current Dark current Peak sensitivity wavelength Collector current Transfer characteristics Collector-emitter saturation voltage Response time
Standard paper (90% reflection)
Symbol VF IR ICEO P IC VCE(sat) tr*tf
Min. - - - - 200 - -
Typ. 1.3 - - 800 500 0.1 10
Max. 1.6 10 0.5 - 1800 0.3 -
Unit V A A nm A V s IF=50mA VR=5V VCE=10V
Conditions
- VCC=5V, IF=20mA, RL=100, d=3.5mm IF=20mA, IC=100A VCC=10V, IF=20mA, RL=100
!Electrical and optical characteristic curves
POWER DISSIPATION / COLLECTOR POWER DISSIPATION : PD/PC (mW)
100
PC
FORWARD CURRENT : IF (mA)
1A
Ta=25C
FORWARD VOLTAGE : VF (V)
2.0
80
PD
100
1.6
60
1.2 10mA 1mA 0.8
10
40
1
20
0.4
0
0
20
40
60
80
100
0.1 0.8
1.0
1.2
1.4
1.6
1.8
2.0
0 0
20
40
60
80
100
AMBIENT TEMPERATURE : Ta (C)
FORWARD VOLTAGE : VF (V)
AMBIENT TEMPERATURE : Ta (C)
Fig.1 Power dissipation / collector power dissipation vs. ambient temperature
Fig.2 Forward current vs. forward voltage
Fig.3 Forward voltage vs. ambient tempereture
10
COLLECTOR CURRENT : IC (mA)
COLLECTOR CURRENT : IC (mA)
2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 20mA 15mA 10mA 5mA 5 10 15 20 25 30mA IF=40mA
DARK CURRENT : ICEO (A)
VCC=5V Standard paper (90% reflection) d=3.5mm
2.4 2.2
Standard paper (90% reflection) d=3.5mm
1
1
VCE=30V 20V 10V
0.1
0.1
0.01
0.01 0.1
1
10
100
0.001 -100 -80 -60 -40 -20 0
20 40 60 80 100 120 140
FORWARD CURRENT : IF (mA)
COLLECTOR-EMITTER VOLTAGE : VCE (V)
AMBIENT TEMPERATURE : Ta (C)
Fig.4 Collector current vs. forward current
Fig.5 Output characteristics
Fig.6 Dark current vs.ambient temperature
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RPR-359F
Sensors
RELATIVE COLLECTOR CURRENT : IC (%)
150 d 140 130 120 110 100 90 VCE=5V 80 IF=20mA 70 60 50 40 30 20 10 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DISTANCE : d (mm)
RELATIVE COLLECTOR CURRENT : IC (%)
160
FORWARD CURRENT : IF (mA)
100
140 120 100 80 60 40 20 0 -60 -40 -20 0 20 40 60 80 100
80
60
40
20
0 0
20
40
60
80
100
AMBIENT TEMPERATURE : Ta (C)
AMBIENT TEMPERATURE : Ta (C)
Fig.7 Relative output vs. distance
Fig.8 Relative output vs. ambient temperature
Fig.9 Forward current vs. ambient temperature
!Circuit for testing transfer characteristics
Reflector d=3.5mm
IF
IC VCC=5V IF=20mA
VCC
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