PT491/PT491F/PT493/PT493F
s
Outline Dimensions
PT491/PT491F
PT493/PT493F
s
Absolute Maximum Ratings
s
Features
s
Applications
1. Epoxy resin package
2. Compact
1. VCRs
2. Optoelectronic switches
*1 For 3 seconds at the position of 1.4mm from the
surface of resin edge
Parameter
Symbol
Rating
Unit
Collector-emitter voltage
V
CEO
35
V
Emitter-collector voltage
V
ECO
6
V
Collector current
I
C
50
mA
Collector power dissipation
P
C
75
mW
Operating temperature
T
opr
- 25 to + 85
˚C
Storage temperature
T
stg
- 40 to + 85
˚C
*1
Soldering temperature
T
sol
260
˚C
1
2
1
2
2.8
1.5
( Ta = 25˚C)
1 Emitter
2 Collector
2
-
0.4
2
-
0.45
2
-
0.8
1.4
0.8
0.75
1.15
1
2
1
2
2.8
2
-
0.4
2
-
0.45
2
-
0.8
1.4
0.8
0.75
1.15
1.7
1.5
2.54
2C
-
0.5
1 Emitter
2 Collector
PT491
Transparent light blue
resin
PT491F
Visible light cut-off
resin (black )
1.7
2.54
3.0
18.5
5. Visible light cut-off type :
PT491F /
PT493F
3. Intermediate acceptance (
∆θ
: TYP. ± 40˚ )
g
Epoxy
resin
g
Epoxy resin
Rest of gate
2C
-
0.5
Rest of gate
Burry's dimensions
g
Epoxy
resin
PT491/PT491F
PT493/PT493F
Intermediate Acceptance High
Sensitivity Phototransistor
Burr's dimensions
4. Long lead pin type :
PT493/PT493F
( Unit : mm)
5
17.5
±
1.0
data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.
”
“
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,
4.0
±
0.2
3.0
±
0.2
2.8
±
0.2
0.5
MIN.
:
0.3
MAX
:
0.8
MAX
φ
2.5
φ
2.5
3.0
±
0.2
4.0
±
0.2
40.0
±
1.0
0.5
MIN.
2.8
±
0.2
:
0.3
MAX
:
0.8
MAX
g
Epoxy resin
PT493
Transparent light blue
resin
PT493F
Visible light cut-off
resin (black )
PT491/PT491F/PT493/PT493F
s
Electro-optical Characteristics
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
*2
Collector current
PT491/PT493
I
C
V
CE
= 2V
0.3
0.6
1.3
mA
PT491F/PT493F
E
V
0.2
0.4
0.8
mA
Collector dark current
I
CEO
V
CE
= 10V, E
e
= 0
-
-
10
- 6
A
*2
Collector-emitter saturation voltage
V
CE( sat )
I
C
= 0.8mA,
-
-
1.0
V
E
e
= 1mW/cm
2
λ
p
-
-
800
-
nm
-
860
-
nm
t
r
V
CE
= 2V, I
C
= 5mA
-
µ
s
t
f
R
L
= 100
Ω
∆θ
-
-
Half intensity angle
Peak sensitivity
PT491/PT493
wavelength
PT491F/PT493F
Response time
Rise time
Fall time
80
70
400
350
± 40
-
( Ta = 25˚C)
*2 E
e
, E
V
: Illuminance, irradiance by CIE standard light source A ( tungsten lamp)
- 25
0
20
10
30
50
40
60
80
70
25
0
50
100
75
85
Relative collector current
(
%
)
75
50
- 25
50
0
25
75
100
175
150
125
100
Ambient temperature T
a
(˚C)
Collector power dissipation P
C
(
mW
)
Ambient temperature T
a
(˚C)
- 25
0
25
50
75
100
5
10
- 10
10
- 9
5
10
- 8
5
10
- 7
5
10
- 6
5
10
- 5
5
10
- 4
10
- 11
5
5
Irradiance E
e
( mW/cm
2
)
Collector current I
C
(
mA
)
10
-1
10
2
5
2
5
1
2
5
20
50
PT491
PT493
PT491F
PT493F
Fig. 1 Collector Power Dissipation vs.
Ambient Temperature
Fig. 2 Collector Dark Current vs.
Ambient Temperature
Fig. 4 Collector Current vs. Irradiance
Collector dark current I
CEO
(
A
)
V
CE
= 10V
Ambient temperature T
a
(˚C)
V
CE
= 2V
E
V
= 21x
T
a
= 25˚C
V
CE
= 2V
Fig. 3 Relative Collector Current vs.
Ambient Temperature
= 2lx
˚
1
Collector-emitter voltage V
CE
( V)
Collector current I
C
(
mA
)
0
1
2
3
4
5
6
7
0
5
10
15
20
25
30
35
40
45
50
T
a
= 25˚C
I
C
= 5mA
V
CE
= 2V
T
a
= 25˚C
P
C
( MAX.)
E
e
=
0.5mW/cm
2
0.25mW/
cm
2
0.2mW/cm
2
0.15mW/cm
2
0.1mW/cm
2
Collector-emitter voltage V
CE
( V)
Collector current I
C
(
mA
)
0
1
2
3
4
5
6
7
0
5
10
15
20
25
30
35
40
45
50
T
a
= 25˚C
E
e
=
0.5mW/cm
2
P
C
( MAX.)
0.25mW/cm
2
0.2mW/cm
2
0.15mW/cm
2
0.1mW/cm
2
Wavelength
λ
( nm)
Relative sensitivity
(%
)
500
600
700
800
900
1000
1100
1200
0
20
40
60
80
100
T
a
= 25˚C
PT491
PT493
PT491F
PT493F
L
(
Ω
)
Response time
(
µ
s
)
10
100
1000
10
100
5000
1
1000
t
r
t
f
t
s
t
d
Test Circuit for Response Time
t
d
t
r
Output
V
CC
Output
R
L
Input
t
f
10
%
t
s
90
%
Angular displacement
θ
0
- 80˚
- 90˚
- 60˚
- 70˚
- 50˚
- 40˚
- 30˚
Relative sensitivity
(%
)
+ 80˚
+ 90˚
+ 10˚
80
20
40
60
- 10˚
- 20˚
0˚
100
+ 70˚
+ 60˚
+ 50˚
+ 40˚
+ 20˚
+ 30˚
PT491/PT491F/PT493/PT493F
Voltage
(T
a
= 25˚C)
Fig. 5-a Collector Current vs. Collector-emitter
Voltage
Fig. 5-b Collector Current vs. Collector-emitter
Fig. 6 Spectral Sensitivity
( PT491/PT493 )
( PT491F/PT493F )
Fig. 8 Sensitivity Diagram
Fig. 7 Response Time vs. Load Resistance
Load resistance R
0.1
1
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
0.01
T
a
= 25˚C
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.1
0.01
1
T
a
= 25˚C
I
C
=
0.5mA
1mA
2mA
3mA
5mA
I
C
=
0.5mA
1mA
2mA
3mA
5mA
PT491/PT491F/PT493/PT493F
Irradiance E
e
( mW/cm
2
)
Irradiance E
e
( mW/cm
2
)
vs. Irradiance
Fig.10 Collector-emitter Saturation Voltage
vs. Irradiance
Collector-emitter saturation voltage
V
CE
( sat
)
(
V
)
Collector-emitter saturation voltage
V
CE
( sat
)
(
V
)
Fig. 9 Collector-emitter Saturation Voltage
Please refer to the chapter “ Precautions for Use.”
( PT491/PT493 )
( PT491F/PT493F )