Page 1
PT480/PT480F
PT480/PT480F
Narrow Acceptance
Phototransistor
■ Features
1. Epoxy resin package
2. Narrow acceptance (∆θ : TYP. ± 13˚
)
3. Visible light cut-off type : PT480F
■ Applications
1. VCRs, cassette tape recorders
2. Floppy disk drives
3. Optoelectronic switches
4. Automatic stroboscopes
■ Absolute Maximum Ratings
Parameter Symbol Rating Unit
Collector-emitter voltage V
Emitter-collector voltage V
Collector current I
Collector power dissipation P
Operating temperature T
Storage temperature T
*1
Soldering temperature T
*1 For 5 seconds at the position of 1.4mm from the bottom face of resin package
CEO
ECO
C
C
opr
stg
sol
35 V
6V
20 mA
75 mW
- 25 to + 85
- 40 to + 85
260 ˚C
■ Outline Dimensions
Detector center
2 - C0.5
gate
Rest of
±
R0.8
PT480 Transparent resin
PT480F
(
Ta =25˚C
0.1
˚C
˚C
MAX.
0.2
±
2.95
0.3
0.2
±
2.15
3.0
1.5
1.7
MAX.
0.8
+1.5
MIN.
2.54
1.6
2.8
21
❈ Epoxy resin
Visible light cut-off
resin (black
)
1.0
-
17.5
0.5
4.0
2- 0.4
1 Emitter
2 Collector
)
1.15
0.75
60˚
0.15
R0.5
MAX.
0.8
2 - 0.45
2 - 0.8
(
Unit : mm
❈ Epoxy resin
1.4
2
1
)
■ Electro-optical Characteristics
(
Ta = 25˚C
Parameter Symbol Conditions MIN. TYP. MAX. Unit
*2
Collector PT480
PT480Fcurrent E
Collector dark crrrent I
*2
Collector-emitter saturation
voltage
V
Peak sensitivity PT480
wavelength PT480F
Response time
*2 Ee : Irradiance by CIE standard light source A (tungsten lamp
“ 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. ”
Rise time
Fall time
VCE= 5V 0.4 1.7 6.0 mA
I
C
= 1mW/cm
e
CEOVCE
CE(sat
λ
P
t
r
t
f
= 20V, Ee=0 - 10-910
)
IC= 0.5mA, Ee=10mW/cm
VCE= 2V, IC= 2mA - 3 - µs
RL= 100Ω - 3.5 - µs
)
2
-
0.25 0.8 3.0 mA
2
- 0.1 0.4 V
- 800 -
-
860 - nm
-7
)
A
nm
Page 2
PT480/PT480F
Fig. 1 Collector Power Dissipation vs.
Ambient Temperature
80
)
70
mW
(
C
60
50
40
30
20
Collector power dissipation P
10
0
-
25
250 50 10075 85 0 25 50 75 100
Ambient temperature Ta (˚C
)
Fig. 3 Relative Collector Current vs.
Ambient Temperature
160
VCE=5V
140
)
E
= 1mW/cm
e
%
(
120
2
100
80
60
Relative collector current
40
20
0
0 10203040506070
Ambient temperature T
(˚C)
a
Fig.4-b Collector Current vs. Irradiance
(
10
V
=5V
CE
T
= 25˚C
a
5
)
mA
2
(
C
1
0.5
Collector current I
0.2
0.1
0.05
Irradiance Ee (mW/cm
PT480F
50.20.1 0.5 212010
2
)
Fig. 2 Collector Dark Current vs.
Ambient Temperature
-6
10
VCE= 20V
5
)
2
A
(
-7
10
CEO
5
2
-8
10
5
2
-9
10
Collector dark current I
5
2
-10
10
)
Ambient temperature T
a
(˚C
Fig.4-a Collector Current vs. Irradiance
(PT480
)
(
mA
C
20
V
=5V
CE
= 25˚C
T
a
10
5
2
1
0.5
Collector current I
0.2
0.1
0.1 0.2 0.5 2 5 20
110
Irradiance Ee (mW/cm
2
)
)
Fig.5-a Collector Current vs.
)
Collector-emitter Voltage
2.0
Ta= 25˚C
)
(
mA
C
1.8
1.6
1.4
1.2
= 1.0mW/cm
e
E
1.0
0.8
0.6
Collector current I
0.4
0.2
0
0 5 10 15 20 25 30 35 40
Collector-emitter voltage V
2
0.75mW/cm
0.5mW/cm
0.25mW/cm
0.1mW/cm
2
2
2
2
CE
(PT480
)
(V
)
Page 3
PT480/PT480F
Fig.5-b Collector Current vs. Collector- Fig. 6 Spectral Sensitivity
)
2
2
2
2
2
2
2
2
)
100
T
= 25˚C
a
80
)
%
(
60
PT480 PT480F
40
Relative sensitivity
20
0
400 500 600 700 800 900 1000 1100
Wavelength λ (nm
Test Circuit for Response Time
Output
V
CC
)
)
+20˚
+30˚
+40˚
Fig.9-a Collector-emitter Saturation
Voltage vs. Irradiance (PT480
1.4
1.2
= 0.1mA
C
I
1.0
0.8
0.5mA
R
L
1mA
E
= 3mW/cm
e
2.5mW/cm
2mW/cm
1.5mW/cm
1mW/cm
0.8mW/cm
0.6mW/cm
0.4mW/cm
0.2mW/cm
(PT480F
2
emitter Voltage
3.0
= 25˚C
T
a
2.5
)
mA
(
2.0
C
1.5
1.0
Collector current I
0.5
0
02468101214
Collector-emitter voltage VCE (V
Fig. 7 Response Time vs. Load Resistance
100
=2V
V
CE
= 2mA
I
C
= 25˚C
T
50
a
)
µs
(
20
, t
rf
10
t
5
f
t
Response time t
r
2
1
0.1 0.2 0.5 2 105
Load resistance R
Fig. 8 Sensitivity Diagram
- 30˚
- 40˚
t
r
t
f
1
(kΩ
L
(
Ta= 25˚C
+10˚
0˚- 20˚ - 10˚
100
80
)
%
(
60
Input
Output
2mA
)
90%
10%
t
r
t
f
)
= 25˚C
T
a
- 50˚
- 60˚
- 70˚
- 80˚
40
Relative sensitivity
20
0
Angular displacement θ
+50˚
+60˚
+70˚
+80˚
+90˚- 90˚
0.6
)
V
(
)
0.4
sat
(
CE
Collector-emitter saturation voltage
V
0.2
0
0.1 1
0.05 0.2 0.5 2 5 10
Irradiance Ee (mW/cm
2
)
Page 4
PT480/PT480F
Fig.9-b Collector-emitter Saturation Fig.10 Relative Output vs. Distance
= 25˚C
a
)
100
50
)
20
%
(
10
5
2
Relative output
1
0.5
0.2 0.5 2 5 20 50
Distance between emitter and detector
(Emitter : GL480
110
d (mm
Voltage vs. Irradiance (PT480F
1.4
T
2mA
1.2
1.0
0.8
0.6
)
V
(
)
0.4
sat
(
CE
Collector-emitter saturation voltage
V
0.2
0.05 0.2 0.5 2 5 10
0.1mA
= 0.05mA
C
I
0
0.1 1
Irradiance Ee (mW/cm
0.5mA
1mA
2
)
Please refer to the chapter “ Precautions for Use.”
)
)
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