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PRODUCT SPECIFICATION
Date2003/12/15
cosmo
Photointerrupter
ELECTRONICS CORPORATION
KW1S50FC
No.60K00001
Sheet 1 Of 5
REV.
1
Horizontal Slit Type
Photointerrupter
Features
1. Horizontal slit type
2. PWB direct mounting type
3. GAP between light emitter and detector4.2mm
4. Slit width0.5mm
5. With a positioning boss
Applications
1. OA equipment, such as printer etc.

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PRODUCT SPECIFICATION
Date2003/12/15
cosmo
Photointerrupter
ELECTRONICS CORPORATION
KW1S50FC
No.60K00001
Sheet 2 Of 5
REV.
1
Outside Dimension
Unitmm
4.2
5.2 13.5± 0.10
BA
BB'section
AA'section
Optical
axis
center
B' A'
2.54
4
Emitter
3
Collector
Schematic
1
2
10.0
1
Anode
2
Cathode
TOLERANCE : ± 0.2mm
4 1. ANODE
2. CATHODE
3. COLLECTOR
4. EMITTER
3

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PRODUCT SPECIFICATION
Date2003/12/15
cosmo
Photointerrupter
ELECTRONICS CORPORATION
KW1S50FC
No.60K00001
Sheet 3 Of 5
REV.
1
Absolute Maximum Ratings
Parameter
Input
Forward Current
Peak Forward Current 1
Reverse Voltage
Power Dissipation
Collector-emitter Voltage
Output
Emitter-collector Voltage
Collector Current
Power Dissipation
Total Power Dissipation
Operation Temperature
Storage Temperature
Soldering Temperature 2
※1 Pulse width 100µs , duty ratio=1%
※2 For 5 seconds
Symbol
IF
IFP
VR
PD
VCEO
VECO
IC
PD
TPD
TOPR
TSTG
TSOL
Rating
50
1
6
75
35
6
20
75
100
-25 to +85
-40 to +100
260
Unit
mA
A
V
mW
V
V
mA
mW
mW
Electronics Characteristics
Parameter
Symbol
Forward Voltage
Input Peak Forward Voltage
Output
Transfer
Charac-
teristics
Reverse Current
Collector-emitter dark
current
Collector Current
Collector saturation
voltage
Response time (Rise)
VF
VFM
IR
ICEO
IC
VCE(SET)
Tr
Response time (Fall)
Tf
Conditions
IF=20mA
IFM=0.5A
VR=3V
VCE=20V,IF=0mA
VCE=5V , IF=20mA
IF=40mA , IC=0.5mA
VCE=2V , IC=0.5mA
RL=100
Min. TYP. MAX. Unit
1.25 1.4
V
3 4 V
- - 10 µA
1 100 nA
0.5 10 mA
- - 0.4 V
3 15 µs
4 20 µs

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PRODUCT SPECIFICATION
cosmo
Photointerrupter
ELECTRONICS CORPORATION
KW1S50FC
Date2003/12/15
No.60K00001
Sheet 4 OF 5
REV.
1
Fig. 1 Forward Current vs.
Fig. 2 Collector Power Dissipation vs.
Ambient Temperature
Ambient Temperature
60
50
40
30
20
0
0
-25
0 25 50 7585 100
A m b ie n t T e m p e ra tu re T a (°C )
Fig. 3 Peak Forward Current vs.
Duty Ratio
2000
1000
500
200
100
50
20
10
10-3
2
10 -2
2 10 -1
Duty ratio
2
Fig. 5 Collector Current vs.
Forward Current
1
5
VCE =5V
Ta=25 °C
4
3
2
1
00 10 20 30 40 50
Forward Current IF (mA)
120
100
80
60
40
20
0
-25
0 25 50 75 100
Ambient temperature Ta (°C )
125
Fig. 4 Forward Current vs.
Forward Voltage
500
200 Ta=75°C
50°C
100
50
20
10
5
25°C
0°C
-25°C
2
1
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
Forward Voltage VF(V)
Fig. 6 Collector Current vs.
Collector-emitter Voltage
5
Ta=25°C
4 IF=50mA
40mA
3 30mA
2 20mA
10mA
1
5mA
0
0 24 6 8
Collector-emitter Voltage VCE (V)
10

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PRODUCT SPECIFICATION
cosmo
Photointerrupter
ELECTRONICS CORPORATION
KW1S50FC
Date2003/12/15
No.60K00001
Sheet 5 Of 5
REV.
1
Fig. 7 Collector Current vs.
Fig 8 Collector-emitter Saturation
Ambient Temperature
Voltage vs. Ambient Temperature
3.5 IF=20mA
3.0 Vce=5V
2.5
2.0
1.5
1.0
0.5
0
-25 0
25 50 75 100
Ambient temperature Ta (°C)
Fig. 9 Response Time vs.
Load Resistance
0.25 IF=40mA
Ic=0.2mA
0.2
0.15
0.1
0.05
0
-25
0 25 50
Ambient Temperature Ta(°C )
75
100
1000
500
100
50
Vce=2V
Ic=2mA
tf tr Ta=25°C
10
5
td ts
1
0.5
0.1
0.1
1
10 100 1000
Load resistance RL (kΩ )
Fig. 10 Relative Collector Current vs.
Shield Distance (1)
RL
Input
Test Circuit for Reaponse Time
Vcc
RL Input
Output Output
td
tr
ts
tf
10%
90%
Fig. 11 Relative Collector Current vs.
Shield Distance (2)
100
50
Vce=5V
IF=20mA
Ta=25°C
L
Shield
Detector
-+
0
( Detector center )
100
50
Vce=5V
IF=20mA
Ta=25°C
Shield
-
0
L
+
Detector
0-0.5 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5
Shield distance L (mm)
0 -2.0
-1.0
0
1.0 2.0
Shield distance L (mm)