GP2S28
GP2S28
Long Focal Distance, Case
Type Photointerrupter
■ Features
1. Long focal distance type
(
Detecting range: 6mm
)
2. With pins for protection of wrong insertion
3. Snap-in mounting type
■ Applications
1. CD players
2. Facsimiles
3. Printers
■ Outline Dimensions
5
(2)
0.1
+0-
2S28
0.5
±
3.8
)
2.54
(
2
0.15-0.1
+
2
0.45
-
4
(4)
+ 0.2
12.8
- 0.3
±
0.1
0.7
(4)
(5)
+0
13
- 0.3
0.1
±
2
2.1
+ 0
φ 1
1
- 0.1
C0.2
(
1.6
JAPAN
)
4 - 0.45
3
4
(
Unit : mm
Internal connection diagram
41
0.6
5
)
1 Anode
2 Cathode
3 Emiiter
4 Collector
5.4
+ 0
3
- 0.1
0.1
+0-
3
23
Surface of sensor
0.2
±
9.3
±
0.1
0.6
0
-
+ 0.1
0.1
±
0.1
1.2
1.7
+
0.2
2 - 0.5
-
0
+
0.15
-
0.1
∗ Unspecified tolerance :± 0.2mm
∗ ( ): Reference dimensions
∗ Thin burr is not included
in tolerance.
)
(
)(
0.6
■ Absolute Maximum Ratings
(
Ta= 25˚C
)
Parameter Symbol Rating Unit
Input
Forward current I
∗1
Peak forward current I
Reverse voltage V
F
FM
R
60 mA
1A
6V
Power dissipation P 150 mW
Output
Collector-emitter voltage V
Emitter-collector voltage V
Collector current I
Collector power dissipation P
Operating temperature
Storage temperature T
∗2
Soldering temperature T
CEO
ECO
C
C
T
opr
stg
sol
∗1 Pulse width<= 100µs, Duty ratio: 0.01
∗2 For 5 seconds
“ In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs,
data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.”
35 V
6V
20 mA
50 mW
- 25 to + 85 ˚C
- 40 to + 85 ˚C
260 ˚C
GP2S28
■ Electro-optical Characteristics
Parameter Symbol Condition MIN. TYP. MAX. Unit
Forward voltage V
Input
Peak forward voltage V
Reverse current I
Output I
Transfer
characteristics
Collector current
Collector current I
Collector-emitter saturation voltage
Response time
Rise time t
Fall time t
V
F
FM
R
CEO
C
CE(sat
r
f
∗3 The condition and arrangement of reflective object is shown in the following figure.
Test Circuit for Response Time
Reflective object
R
Vcc
Input
L
4
Collector
Output
1 Anode
IF= 20mA - 1.5 V
IF= 0.5A - 2.2 3.5 V
VR=3V - - 10 µA
VCE= 20V - 1 100 nA
VCE= 5V, IF= 20mA, ∗3 0.04 - 0.9 mA
)
IF= 40mA, IC= 0.04mA - - 0.4 V
V
= 2V, IC= 0.1mA - - 20
CE
RL= 100Ω
tr tf
10%
90%
1.3
--30
Test Arrangement of
Collector Current
Reflective object
Kodak 90 %
reflective paper
(
Ta= 25˚C
d= 7mm
)
µ s
µ s
Fig. 1 Forward Current vs.
Ambient Temperature
70
60
)
50
mA
(
F
40
30
20
Forward current I
10
0
- 25 0 25 50 75 85 100
Ambient temperature Ta (˚C
Fig. 2 Collector Power Dissipation vs.
Ambient Temperature
60
)
50
mW
(
C
40
30
20
10
Collector power dissipation P
0
)
- 25 0 25 50 75 85 100
Ambient temperature Ta (˚C
)
GP2S28
Fig. 3 Peak Forward Current vs.
Duty Ratio
2000
)
mA
(
1000
FM
500
200
100
Peak forward current I
60
50
20
-3
10
25
-2
25 25
10
10
Duty ratio
Fig. 5 Collector-current vs.
Forward Currnt
1.0
)
0.8
mA
(
C
0.6
0.4
Collector-current I
0.2
0
6 121824303642485460
0
Forward current IF (mA
Fig. 7 Collector Current vs.
Ambient Temperature
0.25
0.2
)
mA
(
C
0.15
0.1
Collector current I
0.05
- 25 0 25 7550
Ambient temperature T
VCE=5V
I
F=20mA
(
Pulse
width<=100µs
= 25˚C
T
a
-1
VCE=5V
T
= 25˚C
a
)
)
(˚C
a
Fig. 4 Forward Current vs.
Forward Voltage
500
= 75˚C
T
a
)
)
mA
(
200
100
50
F
50˚C
25˚C
0˚C
- 20˚C
20
10
5
Forward current I
2
1
0
10
0
Forward voltage V
(V
F
3.53.02.52.01.51.00.5
)
Fig. 6 Collector Current vs.
Collector-emitter Voltage
= 25˚C
T
1.0
)
0.8
mA
(
C
0.6
0.4
Collector current I
0.2
IF= 60mA
a
50mA
40mA
30mA
20mA
10mA
0
0246810
Collector-emitter voltage V
)
(V
CE
Fig. 8 Collector Dark Current vs.
Ambient Temperature
-6
100
10
)
A
(
-7
10
CEO
-8
10
-9
10
Collector dark current I
-10
10
5
2
5
2
5
2
5
2
-25
= 20V
V
CE
0 255075100
Ambient temperature T
a
(˚C
)
Fig. 9 Relative Output Current vs.
Detecting Distance
100
80
)
%
(
60
40
Relative output current
20
0
0123456789
Distance between GP2S28 and reflector d (mm
●
Please refer to the chapter “ Precautions for Use”.
10 11 12 13 14 15
)
GP2S28
= 20mA
= 5V
CE
Kodak
90% reflective paper
d
I
F
V
Ta= 25˚C
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