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RPI-579 Datasheet, PDF (1/2 Pages) Rohm – Photointerrupter, General type
RPI-579
Photointerrupter, General type
Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
Forward current
IF
50
mA
Reverse voltage
VR
5
V
Power dissipation
PD
80
mW
Collector-emitter voltage
VCEO
30
V
Emitter-collector voltage
VECO
4.5
V
Collector current
IC
30
mA
Collector power dissipation
PC
80
mW
Operating temperature
Topr
−25 to +85
°C
Storage temperature
Tstg
−40 to +85
°C
Soldering temperture
Tsol
260 / 3 ∗
°C / s
∗ 1mm from the body bottom.
Electrical and optical characteristics (Ta=25°C)
Applications
Printers
Facsimiles
AV equipment
Features
1) Heat resistance (170°C).
2) Small gap (0.5mm) and good accuracy.
3) Quick response time.
4) Filter against visible ray is built-in.
Parameter
Forward voltage
Reverse current
Dark current
Peak sensitivity wavelength
Collector current
Collector-emitter saturation voltage
Rise time
Response time
Fall time
Cut-off frequency
Peak light emitting wavelength
Response time
Symbol
VF
IR
ICEO
λP
IC
VCE(sat)
tr
tf
fC
λP
Min.
−
−
−
−
0.5
−
−
−
−
−
tr tf
−
Typ.
1.3
−
−
800
−
0.1
10
10
1
950
10
Max.
1.6
10
0.5
−
−
0.5
−
−
−
−
−
Unit
V
µA
µA
nm
mA
V
µs
µs
MHz
nm
µs
IF=50mA
VR=10V
VCE=10V
VCE=5V, IF=20mA
IF=20mA, IC=0.1mA
Conditions
−
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.
Maximum sensitivity wavelength
λP
− 800 − nm
−
Electrical and optical characteristics curves
100
80
d
60
40
20
00
1
2
3
4
5
DISTANCE : d (mm)
Fig.1 Relative output vs. distance ( )
100
80
60
40
20
0
0
1
2
3
4
5
DISTANCE : d (mm)
Fig.4 Relative output vs. distance ( )
50
40
30
20
10
0
−20 0
20 40 60 80 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.2 Forward current falloff
100
PD PC
80
60
40
20
0
20 0 20 40 60 80 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.5 Power dissipation / collector power
dissipation vs. ambient temperature
50
−25°C
0°C
40
25°C
50°C
75°C
30
20
10
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
FORWARD VOLTAGE : VF (V)
Fig.3 Forward current vs. forward voltage
160
140
120
100
80
60
40
20
0
40 20 0 20 40 60 80 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.6 Relative output vs. ambient
temperature
External dimensions (Unit : mm)
13.8
Through hole
10
2.35
2-φ0.8
Gap
5
A
8.95
0.5
0.8
Optical center
4-φ1.0
A
4−0.4
(10)
14(Bottom)
2.35±0.1
6.6±0.1
2-0.45
(2.54)
Cathode
Collector
2-φ0.7±0.1
Anode
Notes:
1. Unspecified tolerance
shall be ±0.2 .
Emitter 2. Measurement in the bracket is
that of lead pin at base the mold.
3. Dimension in parenthesis are
show for reference.
4. Please be carefully not to receive
external disturbing light because
the top and back face emitter and
detector element isn't covered by case.
5
4
3
2
1
0
0
10
20
30
40
50
FORWARD CURRENT : IF (mA)
Fig.7 Collector current vs. forward current
3.0
2.0
IF=25mA
20mA
15mA
1.0
10mA
5mA
00
2
4
6
8
10
COLLECTOR-EMITTER VOLTAGE : VCE (V)
Fig.10 Output characteristics
200
tr tf
100
RL=5kΩ
50
tf tr
tr tf RL=2kΩ
20
RL=1kΩ
10
10 20 50 100 200 500 1000 2000
COLLECTOR CURRENT : Ic (µA)
Fig.8 Response time vs.
collector current
Input VCC
1000
100
10
VCE=30V
VCE=20V
VCE=10V
1
0.1
25
0
25
50
75 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.9 Dark current vs. ambient
temperature
Input
Output
RL
90%
Output
td
tr
10%
tf
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