Page 1
PT380/PT380F
PT381/PT381F
PT380/PT380F/PT381/PT381F
High Sensitivity, φ 3mm Resin Mold Type
Phototransistor
■ Features
1. High sensitivity
(IC: MIN.160µA at E
(IC: MIN.120µA at E
= 100lx, PT380
V
PT381x,
=2l
V
)
)
2. Compact φ3mm resin mold package
3. Intermediate acceptance (∆θ : TYP. ± 20˚
)
4. Visible light cut-off type : PT380F/PT381F
■ Model Line-ups
Single phototransistor output
No visible
light cut-off PT380 PT381
filter
Built-in
visible light PT380F PT381F
cut-off filter
Darlington phototransistor output
■ Applications
1. Floppy disk drives
2. Optoelectronic switches
3. Infrared applied systems
■ Outline Dimensions
±
0.2
φ3.8
±
0.15
φ 3.0
)
Mark (red
(
)
PT381F
2- 0.5
MAX.
0.8
(
2.54
+
-
1.7
0.15
0.1
)
12
+0.15
0.6
2 - 0.5
0.2
±
0.1
-
(
Unit : mm
❈ Epoxy resin
PT380
PT380F
5.3
1
±
14.2
0.5MIN.
PT380 Transparent resin
PT381
PT380F/
PT381F
22
1 Emitter
2 Collector
❈ Epoxy resin
Light blue transparent resin
Visible light
Cut-off resin
(
black
)
PT381
PT381F
11
)
■ Absolute Maximum Ratings
(
Ta = 25˚C
)
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 3 seconds at the position of 1.4mm from the bottom face of resin package
“ 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. ”
CEO
ECO
C
C
opr
stg
sol
35 V
6V
20 mA
50 mW
- 25 to +85
- 40 to +85
˚C
˚C
260 ˚C
Page 2
PT380/PT380F/PT381/PT381F
■ Electro-optical Characteristics
Parameter Symbol Conditions MIN. TYP. MAX. Unit
*2
Collector
current
PT380
I
C
E
= 100l
VX
V
=5V
CE
=2l
E
VX
VCE= 10V
Collector dark
current
*2
Collector-emitter
saturation voltage
Collector-emitter breakdown
voltage
Emitter-Collector breakdown
voltage
Peak sensitivity
wavelength
Response
time
Rise time
Fall time
PT380 /PT380F
PT380 /PT380F
PT380 / PT381
PT380 /PT380F
PT380 /PT380F
PT381 /PT381F
V
BV
BV
I
CEO
CE(sat
λ
Half intensity angle ∆θ - ±20 -
*2 EV, Ee: Illuminance, irradiance by CIE standard light source A (tungsten lamp
Ee= 0, VCE= 20V - - 0.1
E
= 0, VCE= 10V - - 1.0PT381 /PT381F
e
Ee= 10mW/cm2, IC= 0.5mA - 0.2 0.4
)
E
= 1mW/cm2, IC= 2.5mA - - 1.0PT381 / PT381F
e
I
= 0.1mA
C
CEO
Ee=0
IC= 0.01mA
ECO
P
t
r
t
f
=0
E
e
-
VCE=20V, IC= 1mA, RL=1kΩ -1040
= 2V, IC= 10mA, RL= 100Ω - 100 400PT381 /PT381F
V
CE
VCE= 20V, IC=1mA, RL=1kΩ -835
= 2V, IC= 10mA, RL= 100Ω - 100 400
V
CE
-
)
0.16 - 1.17
0.095 - 0.90PT380F
0.12 -PT381
0.07 - 1.08PT381F
35 - - V
6--V
- 800 -
-
(
860 -PT380F/ PT381F
Ta = 25˚C
mA
1.5
µA
V
nm
µs
)
˚
Fig. 1 Collector Power Dissipation vs.
Ambient Temperature
80
70
)
mW
(
60
C
50
40
30
20
Collector power dissipation P
10
0
-
25 0 25 50 75 100
Ambient temperature Ta (˚C
)
Fig. 2-a Collector Dark Current vs.
Ambient Temperature
-6
10
V
5
)
2
A
(
-7
10
5
CEO
2
-8
10
5
2
-9
10
Collector dark current I
5
2
-10
10
0
(PT380/PT380F
= 20V
CE
25 50
Ambient temperature Ta (˚C
75
)
)
100
Page 3
PT380/PT380F/PT381/PT381F
Fig. 2-b Collector Dark Current vs.
Ambient Temperature
-4
10
V
5
CE
= 10V
-5
10
)
A
5
(
-6
10
CEO
5
-7
10
5
-8
10
5
-9
10
5
Collector dark current I
-10
10
5
-11
10
5
-
25 0 25 50 100
(PT381/381F
Ambient temperature T
a
(˚C
75
)
Fig. 3-b Relative Collector Current vs.
Ambient Temperature
175
150
)
%
(
125
100
Relative collector current
75
(PT381/PT381F
VCE=10V
E
=2lx
V
Fig. 3-a Relative Collector Current vs.
)
Ambient Temperature
160
140
)
%
120
(
100
80
60
40
Relative collector current
20
0
(PT380/PT380F
V
=5V
CE
x
= 100l
E
V
250 50 75 100
Ambient temperature T
(˚C
a
)
)
Fig. 4-a Collector Current vs.
)
Irradiance
5
4
)
mA
(
C
3
2
Collector current I
1
(
PT380/380F
VCE=5V
T
= 25˚C
a
)
50
-
25
0
25 50 75 100
Ambient temperature Ta (˚C
Fig. 4-b Collector Current vs.
Irradiance
100
V
=10V
CE
=25˚C
T
a
)
mA
(
10
C
1
Collector current I
0.1
0.01 10
Irradiance E
(
PT381/PT381F
0.1 1
(mW/cm
e
0
)
0 2.5 5 7.5 10
Irradiance E
(mW/cm
e
2
)
Fig. 5-a Collector Current vs.
)
2
)
Collector-emitter Voltage
1.2
1.0
)
mA
(
0.8
C
0.6
0.4
Collector current I
0.2
0
0 5 10 15 20 25 30
(PT380/380F
2
1.5mW/cm
=
E
e
1.0mW/cm
0.75mW/cm
0.5mW/cm
0.25mW/cm
Collector-emitter voltage V
2
2
2
CE
2
T
(V
= 25˚C
a
)
)
Page 4
PT380/PT380F/PT381/PT381F
Fig. 5-b Collector Current vs.
Collector-emitter Voltage
(PT381/381F
(
)
MAX
P
25
)
20
mA
(
C
15
10
Collector current I
5
0
012345678910
C
E
= 1.0mW/cm
e
0.75mW/cm
2
2
0.5mW/cm
0.25mW/cm
0.1mW/cm
2
2
Collector-emitter voltage VCE (V
T
2
= 25˚C
a
)
)
Fig. 7-a Response Time vs. Load Resistance
V
CE
= 1mA
I
C
100
T
)
µs
(
,t
a
50
f
r
20
10
5
Response time t
= 20V
= 25˚C
(
PT380/PT380F
t
r
t
f
)
Fig. 6 Spectral Sensitivity
100
T
= 25˚C
a
80
)
%
(
60
PT380
PT381
40
Relative sensitivity
20
0
400 500 600 700 800 900 1000 1100
Wavelength λ (nm
Test Circuit for Response Time
(
PT380/PT380F
V
CC
)
Output
R
L
Output
PT380F/
PT381F
)
Input
90%
10%
2
1
110
2 5 20 50 100
Load resistance RL (kΩ
)
Fig. 7-b Response Time vs. Load Resistance
1000
V
=2V
CE
500
I
= 10mA
C
T
= 25˚C
a
200
)
100
µs
(
50
20
10
Response time
5
2
1
10 100 1000
5 500020 50 200 500
Load resistance RL (Ω
(
PT381/381F
t
r
t
t
d
t
s
f
)
)
Test Circuit for Response Time
(
PT381/PT381F
V
CC
)
Output
R
L
Output
Input
t
d
t
r
t
f
90%
10%
t
s
t
r
t
f
Page 5
PT380/PT380F/PT381/PT381F
Fig. 8-a Collector-emitter Saturation
Voltage vs. Irradiance
0.8
0.6
0.4
)
V
(
)
sat
(
0.2
CE
Collector-emitter saturation voltage
V
0
0 2.5 5.0 7.5 10
Fig. 9 Sensitivity Diagram
- 30˚
- 40˚
- 50˚
- 60˚
- 80˚
- 90˚
(PT380/380F
= 0.05mA
I
C
0.1mA
0.5mA
1.0mA
Irradiance E
- 10˚- 20˚ 0˚
Angular displacement θ
(mW/cm
e
+10˚
100
80
)
%
(
60
Relative sensitivity
40
20
2
)
(
T
+20˚
= 25˚C
a
Please refer to the chapter “ Precautions for Use.”
)
)
+30˚
+40˚
+50˚
+60˚
+70˚- 70˚
+80˚
+90˚
Fig. 8-b Collector-emitter Saturation
Voltage vs. Irradiance
2.0
1.8
1.6
1.4
1.2
1.0
)
V
(
)
0.8
sat
(
0.6
CE
Collector-emitter saturation voltage
V
0.4
0.2
0
0.01 10
(PT381/381F
I
= 0.5mA
C
0.1 1
Irradiance E
(mW/cm
e
1mA
2mA
5mA
10mA
2
)
Fig.10 Relative Collector Current vs.
Distance to Emitter
(
100
)
10
%
(
1
Relative output
0.1
0.1 100
Emitter:GL380/GL381
IF= 50mA
T
110
Distance to emitter d (mm
)
a
)
)
= 25˚C
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