ON1105 [PANASONIC]
Photo Interrupter; 光遮断器
PANASONIC 
Transmissive Photosensors (Photo Interrupters)
ON1105
Photo Interrupter
Unit : mm
Mark for indicating
LED side
For contactless SW, object detection
25.0±0.35
14.3±0.3
Device
center
3.0±0.2
A
Outline
0.5±0.1
ON1105 is a photocoupler in which a high efficiency GaAs
infrared light emitting diode is used as the light emitting element,
and a high sensitivity phototransistor is used as the light detecting
element. The two elements are arranged so as to face each other,
and objects passing between them are detected.
A'
4- 0.45±0.2
+0.1
–0.4
*10.0
*2.54±0.2
SEC. A-A'
2-ø3.2±0.2
19.0±0.2
2
3
Features
Highly precise position detection : 0.3 mm
1
4
2
1
3
4
Fast response : tr, tf = 6 µs (typ.)
Small output current variation against change in temperature
Pin connection
(Note) * is dimension at the root of leads
Absolute Maximum Ratings (Ta = 25˚C)
Parameter
Symbol Ratings Unit
Reverse voltage (DC)
Forward current (DC)
Power dissipation
Collector current
VR
IF
3
50
75
20
30
5
V
mA
mW
mA
V
Input (Light
emitting diode)
*1
PD
IC
Collector to emitter voltage VCEO
Emitter to collector voltage VECO
Output (Photo
transistor)
V
*1 Input power derating ratio is
1.0 mW/˚C at Ta ≥ 25˚C.
*2 Output power derating ratio is
*2
Collector power dissipation PC
100
mW
Operating ambient temperature
Storage temperature
Topr –25 to +85 ˚C
Tstg –30 to +100 ˚C
Temperature
1.33 mW/˚C at Ta ≥ 25˚C.
Electrical Characteristics (Ta = 25˚C)
Parameter
Symbol
Conditions
VF IF = 50mA
IR VR = 3V
min
typ
max Unit
Forward voltage (DC)
Reverse current (DC)
Capacitance between terminals
Collector cutoff current
Collector to emitter capacitance
Collector current
1.2
1.5
10
V
µA
pF
nA
pF
mA
µs
Input
characteristics
Ct VR = 0V, f = 1MHz
ICEO VCE = 10V
50
5
200
0.3
Output
characteristics
CC VCE = 10V, f = 1MHz
IC VCE = 10V, IF = 20mA
tr , tf* VCC = 10V, IC = 1mA, RL = 100Ω
0.3
Transfer
Response time
6
characteristics
Collector to emitter saturation voltage VCE(sat) IF = 50mA, IC = 0.1mA
V
* Switching time measurement circuit
Sig.IN
VCC
td : Delay time
(Input pulse)
tr : Rise time (Time required for the collector current to increase
from 10% to 90% of its final value)
90%
10%
Sig.OUT
(Output pulse)
td
tf : Fall time (Time required for the collector current to decrease
from 90% to 10% of its initial value)
50Ω
RL
tr
tf
1
Transmissive Photosensors (Photo Interrupters)
ON1105
IF , IC — Ta
IF — VF
IC — IF
60
50
40
30
20
10
0
60
50
40
30
20
10
0
10
1
VCE = 10V
Ta = 25˚C
Ta = 25˚C
IF
10 –1
IC
10 –2
10 –3
10 –1
– 25
0
20
40
60
80
100
0
0.4
0.8
1.2
1.6
2.0
2.4
1
10
10 2
Ambient temperature Ta (˚C )
Forward voltage VF (V)
Forward current IF (mA)
VF — Ta
IC — VCE
IC — Ta
1.6
1.2
0.8
0.4
0
10 2
10
160
120
80
40
0
V
CE = 10V
VCC = 5V
Ta = 25˚C
IF = 20mA
IF = 50mA
10mA
1
10 –1
10 –2
10 –1
– 40 – 20
0
20
40
60
80 100
1
10
10 2
– 40 – 20
0
20
40
60
80 100
Ambient temperature Ta (˚C )
Collector to emitter voltage VCE (V)
Ambient temperature Ta (˚C )
ICEO — Ta
tr — IC
IC — d
10
1
10 3
10 2
100
80
60
40
20
0
VCC = 10V
Ta = 25˚C
Criterion
0
d
10 –1
10 –2
10 –3
10 –4
RL = 1kΩ
500Ω
10
1
100Ω
VCE = 24V
10V
Sig.IN
VCC
Sig.
V1
V2
90%
10%
OUT
V1
50Ω
V2
td
RL
tr
1
tf
10 –1
– 40 – 20
0
20
40
60
80 100
10 –2
10 –1
10
0
1
2
3
4
5
6
Ambient temperature Ta (˚C )
Collector current IC (mA)
Distance d (mm)
2
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