Page 1
GP1S28
GP1S28
Subminiature Photointerrupter
■ Features
1. Ultra-compact
2. PWB mounting type package
3. High sensing accuracy (Slit width 0.3mm
4. With mounting boss
■ Applications
1. Cameras
2. Floppy disk drives
■ Absolute Maximum Ratings
Parameter Symbol Rating Unit
Forward current 50 mA
Input
Output
*1 For 5 seconds
Reverse voltage 6 V
Power dissipation 75 mW
Collector-emitter voltage 35 V
Emitter-collector voltage 6 V
Collector current 20 mA
Collector power dissipation 75 mW
Total power dissipation 100 mW
Operating temperature - 25 to + 85 ˚C
Storage temperature - 40 to+ 100 ˚C
*1
Soldering temperature
■ Outline Dimensions
(
Unit : mm
Internal connection diagram
32
)
)
4
1 Anode
+
0.05
4.0
-
0.15
1.21.4
0.7
Center of light path
)
2.5
1.0
(
φ 0.8
4
3.0
I
F
V
R
(
4 - 0.15 4 - 0.4
❈
2.85
1
23
(
Ta= 25˚C
2 Cathode
(
)
C0.8
)
0.3
4.0
±
4.0
Light path
)
C0.3
(
Rest of gate
(2)
* Tolerance:± 0.2mm
* Burr's dimensions: 0.15MAX.
* Rest of gate: 0.3MAX.
* ( ): Reference dimensions
*
The dimensions indicated by ❈ refer
to those measured from the lead base.
)
P
V
CEO
V
ECO
I
C
P
C
P
tot
T
opr
T
stg
T
sol
260 ˚C
3 Emitter
4 Collector
4.0
❈
2.54
1
(
)
Detector
(
)
0.3
Slit width
5.1
MIN.
4.0
1mm or more
Soldering area
“ 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.”
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GP1S28
■ Electro-optical Characteristics
Parameter
Input
Output
Transfer
characteristics
Fig. 1 Forward Current vs. Ambient
Temperature
60
50
)
mA
(
40
F
30
20
Forward current I
10
Forward voltage
Reverse current
Collector dark current
Collector Current Ic
Collector-emitter saturation voltage
Response time
Rise time
Fall time
Symbol Conditions
IF= 20mA
F
VR=3V
VCE= 20V
V
CE
)
IF= 10mA, IC=50µA
r
VCE=5V, RL=1kΩ
=100 µ A
I
f
C
= 5V, IF= 5mA
V
V
I
I
CEO
CE(sat
t
t
R
Fig. 2 Power Dissipation vs.
Ambient Temperature
120
100
)
mW
80
(
60
40
Power dissipation P
20
MIN. TYP. MAX. Unit
- 1.2 1.4 V
--10µA
--
100 - 1300 µA
- - 0.4 V
- 50 150 µ s
- 50 150 µ s
P
tot
P, P
c
(
Ta= 25˚C
1x10
)
-7
A
0
- 25 0 25 50 75 100
Ambient temperature Ta (˚C
85
)
Fig. 3 Forward Current vs. Forward Voltage
500
T
= 75˚C
200
100
)
mA
(
F
Forward current I
a
50˚C
50
20
10
5
2
1
0 0.5 1 1.5 2
Forward voltage VF (V
25˚C
0˚C
- 25˚C
2.5 3
)
3.5
0
- 25 0 25 50 75 100
Ambient temperature Ta (˚C
85
)
Fig. 4 Collector Current vs. Forward Current
2.0
1.8
1.6
)
mA
1.4
(
C
1.2
1.0
0.8
Collector current I
0.6
0.4
0.2
0
1
02
Forward current IF (mA
VCE=5V
T
= 25˚C
a
)
103456789
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GP1S28
Fig. 5 Collector Current vs. Collector-
emitter Voltage
)
mA
(
C
11
10
9
8
7
IF= 50mA
40mA
P
C(MAX.
6
5
4
3
Collector current I
2
1
30mA
20mA
10mA
5mA
0012345678910
)
Collector-emitter voltage V
(V
CE
Fig. 7 Collector-emitter Saturation Voltage
vs. Ambient Temperature
0.16
= 10mA
I
F
0.14
I
=50 µA
)
V
(
)
sat
(
CE
V
C
0.12
0.10
0.08
0.06
0.04
Collector-emitter saturation voltage
0.02
0
0 255075100
-25
Ambient temperature Ta (˚C
)
Test Circuit for Response Time
Input
V
R
D
CC
R
L
Output
Input
Output
t
t
d
t
r
Fig. 6 Collector Current vs.
Ambient Temperature
)
0.5
)
0.4
mA
(
C
0.6
V
CE
I
F
=5V
= 5mA
0.3
0.2
Collector current I
0.1
0
-25
0 255075100
Ambient temperature Ta (˚C
)
Fig. 8 Response Time vs. Load Resistance
500
VCE=5V
= 100 µ A
I
C
200
100
)
µ s
(
= 25˚C
T
a
50
20
10
t
f
t
r
t
d
5
Response time
2
t
s
1
5
0.3
0.1 0.2 20.5 1 205 10 50 100
0.05
Load resistance RL (k Ω
)
Fig. 9 Collector Dark Current vs. Ambient
Temperature
-6
10
)
A
(
10
CEO
10%
10
90%
s
t
f
10
Collector dark current I
10
VCE= 20V
5
2
-7
5
2
-8
5
2
-9
5
2
-10
0 255075100
Ambient temperature Ta (˚C
)
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GP1S28
Fig.10 Relative Collector Current vs.
Shield Distance (1
100
)
%
(
50
Relative collector current
0
-1
-2 2
Shield distance L (mm
● Please refer to the chapter “Precautions for Use”.
)
IF= 5mA
=5V
V
CE
T
= 25˚C
a
Shield
0
(
Detector center
01
)
L
Detector
+-
)
3
Fig.11 Relative Collector Current vs.
Shield Distance (2
100
)
%
(
50
Relative collector current
0
-1
-2
Shield distance L (mm
)
IF= 5mA
=5V
V
CE
T
= 25˚C
a
Shield
L
Detector
0321
)
)
0
+
Detector center
(
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