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RPI-125 Datasheet, PDF (1/2 Pages) Rohm – Photointerrupter, Ultraminiature type
RPI-125
Photointerrupter, Ultraminiature type
Absolute maximum ratings (Ta=25°C)
Parameter
Forward current
Reverse voltage
Power dissipation
Collector-emitter voltage
Emitter-collector voltage
Collector current
Collector power dissipation
Operating temperature
Storage temperature
Soldering temperature
Symbol
IF
VR
PD
VCEO
VECO
IC
PC
Topr
Tstg
Tsol
Limits
50
5
80
30
4.5
30
80
−25 to +85
−30 to +85
260/5
Unit
mA
V
mW
V
V
mA
mW
°C
°C
°C/sec
Applications
DSC(Digital steal camera)
DVC(Digital video camera)
Digital handy phone
Features
1) Ultra-small.
2) Gap 1.2mm.
Electrical and optical characteristics (Ta=25°C)
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
Maximum sensitivity wavelength
Symbol
VF
IR
ICEO
λP
IC
VCE(sat)
tr
tf
fC
λP
Min.
−
−
−
−
0.45
−
−
−
−
−
tr tf
−
λP
−
Typ.
1.3
−
−
800
1.8
−
10
10
1
950
10
800
Max.
1.6
10
0.5
−
4.95
0.4
−
−
−
−
−
−
Unit
V
µA
µA
nm
mA
V
µs
µs
MHz
nm
µs
nm
IF=50mA
VR=5V
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.
−
Electrical and optical characteristics curves
125
100
d
75
50
25
00
0.5
1.0
1.5
2.0
2.5
DISTANCE : d (mm)
Fig.1 Relative output current vs.
distance ( )
125
100
75
50
25
0
0
0.5
1.0
1.5
2.0
DISTANCE : d (mm)
Fig.4 Relative output current vs.
distance ( )
50
40
30
20
10
0
−20 0
20 40 60 80 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.2 Forward current falloff
120
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
100
80
60
40
20
VCE= 5V
IF= 20mA
0
−25
0
25 50 75 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.6 Relative output vs. ambient
temperature
External dimensions (Unit : mm)
(4-0.3)
(4-0.35)
Through hole
2.75
4 - φ0 . 8
1.0 1.6
(2-0.1)
3 . 6 ±0 . 3
Gap
1 . 2 ±0 . 3
C0.2
A
Cross-section A-A
2.6
0.3
C0.4
Optical axis center
A
2-R0.3
0.15
(2.75)
0.4
0.5
(2)
Emitter
Cathode
Collector Anode
Notes:
1. Unspecified tolerance
shall be ±0.2 .
2. Dimension in parenthesis are
show for reference.
5
4
3
2
1
0
0
5
10
15
20
25
FORWARD CURRENT : IF (mA)
Fig.7 Collector current vs.
forward current
7
6
IF=30mA
5
25mA
4
20mA
3
15mA
2
10mA
1
5mA
00
2
4
6
8
10
COLLECTOR TO EMITTER VOLTAGE: VCE (V)
Fig.10 Output characteristics
100
RL=1kΩ
10
RL=500Ω
RL=100Ω
1
0.05 0.1
1
10
COLLECTOR CURRENT : IC (mA)
Fig.8 Response time vs.
collector current
Input VCC
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
1000
100
VCE=30V
VCE=20V
10
VCE=10V
1
0.1
−25 0
25 50 75 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.9 Dark current vs.
ambient temperature