2. Optoelectronic switches
*1 For 3 seconds at the position of 1.4mm from the bottom face of resin package
PT380/PT380F/PT381/PT381F
■Features
■Applications
1. High sensitivity
1. Floppy disk drives
3. Infrared applied systems
(2.54)
0.5MIN.
Mark (red)
(PT381F)
1.7
❈Epoxy resin
PT380 Transparent resin
PT381
Light blue transparent resin
PT381F (black)
❈Epoxy resin
(IC: MIN.160µA at EV
(IC: MIN.120µA at EV)
3. Intermediate acceptance (∆θ : TYP. ± 20˚)
(Ta = 25˚C)
■Outline Dimensions (Unit : mm)
Single photo-
transistor output Darlington photo-
transistor output
No visible
filter
light cut-off PT380 PT381
Built-in
cut-off filter
visible light PT380F PT381F
PT380F/ Visible light
0.6
12
22
11
1 Emitter
2 Collector
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. Visible light cut-off type : PT380F/ PT381F
Parameter Symbol Rating Unit
Collector-emitter voltage VCEO 35 V
Emitter-collector voltage VECO 6V
Collector current IC20 mA
Collector power dissipation PC50 mW
Operating temperature T opr
- 25 to +85
˚C
Storage temperature T stg
- 40 to +85
˚C
*1 Soldering temperature T sol 260 ˚C
PT380
PT380F PT381
PT381F
PT380/PT380F
PT381/PT381F
Phototransistor
Cut-off resin
■Model Line-ups
PT381x,
High Sensitivity, φ3mm Resin Mold Type
= 100lx, PT380 )
=2l
2. Compact φ3mm resin mold package
φ3.8±0.2
φ3.0±0.15
5.3±0.2
14.2±1
0.8MAX.
2-0.5+0.15
-0.1
2-0.5+0.15
-0.1
■Absolute Maximum Ratings
PT380/PT380F/PT381/PT381F
■Electro-optical Characteristics
Parameter Symbol Conditions MIN. TYP. MAX. Unit
current
*2Collector PT380
IC
EVX
V
CE =5V 0.16 - 1.17
mA
0.095 - 0.90PT380F EVX
V
CE = 10V 0.12 -PT381 0.07 - 1.08PT381F
Collector dark
current PT380 /PT380F ICEO Ee= 0, VCE = 20V - - 0.1 µA
Ee= 0, VCE = 10V - - 1.0PT381 /PT381F
*2
Collector-emitter
saturation voltage
PT380 /PT380F VCE(sat)Ee= 10mW/cm2, I C= 0.5mA - 0.2 0.4 V
Ee= 1mW/cm2, IC= 2.5mA - - 1.0PT381 /PT381F
voltage
Collector-emitter breakdown BVCEO Ee=0
I
C= 0.1mA 35 - - V
Emitter-Collector breakdown
voltage BVECO IC= 0.01mA
Ee=0 6--V
Peak sensitivity
wavelength PT380 / PT381 λP- 800 - nm
-
-
-
860 -PT380F /PT381F
Response
time
Rise time
Fall time
PT380 /PT380F trVCE =20V, IC= 1mA, R L=1kΩ-1040
µs
V
CE = 2V, IC= 10mA, RL= 100Ω- 100 400PT381 /PT381F
PT380 /PT380F tfVCE = 20V, IC= 1mA, R L=1kΩ-835
V
CE = 2V, IC= 10mA, RL= 100Ω- 100 400
Half intensity angle ∆θ - ± 20 -
(Ta = 25˚C)
PT381 /PT381F
*2 EV, Ee: Illuminance, irradiance by CIE standard light source A (tungsten lamp )
75
10-10
10 -9
0
2
5
2
25 50
10 -6
10 -7
10 -8
5
2
5
5
2
100
Collector power dissipation PC (mW)
-25 0 25 50 75 100
0
10
20
30
40
50
60
70
80 VCE = 20V
Fig. 1 Collector Power Dissipation vs.
Ambient Temperature
Collector dark current I CEO (A)
(PT380/PT380F )
1.5
Ambient temperature Ta (˚C)
Fig. 2-a Collector Dark Current vs.
Ambient Temperature
Ambient temperature Ta (˚C)
= 100l
=2l
˚
PT380/PT380F/PT381/PT381F
40
Relative collector current (%)
20
0250 50 75 100
160
120
100
80
60
-25 0 25 50 100
10 -11
5
10 -10
5
10 -9
5
10 -8
5
10 -7
5
10 -6
5
10 -5
5
10 -4
Collector dark current I CEO (A)
Relative collector current (%)
-25
50
75
0
100
125
150
175
25 50 75 100 Irradiance E e
Collector current I C (mA)
0 2.5 5 7.5 10
0
1
2
3
4
5
Irradiance E e
Collector current I C (mA)
0.1 1
1
10
0.01 10
0.1
100
Collector-emitter voltage VCE (V)
Collector current I C (mA)
0 5 10 15 20 25 30
0
0.2
0.4
0.6
0.8
1.0
1.2
1.0mW/cm
2
0.75mW/cm
2
0.5mW/cm
2
0.25mW/cm
2
VCE =5V
Ta= 25˚C
VCE =10V
Ta=25˚C Ta= 25˚C
(PT381/381F ) (PT380/PT380F )
(PT381/PT381F ) Irradiance (PT380/380F )
(PT380/380F )
(PT381/PT381F )
VCE =10V
EV
VCE
= 10V
5VCE =5V
140
Fig. 2-b Collector Dark Current vs.
Ambient Temperature
75
Ambient temperature Ta (˚C)
Fig. 3-a Relative Collector Current vs.
Ambient Temperature
Fig. 5-a Collector Current vs.
Fig. 4-b Collector Current vs.
Irradiance
Fig. 3-b Relative Collector Current vs.
Ambient Temperature Fig. 4-a Collector Current vs.
x
Ambient temperature Ta (˚C)
Collector-emitter Voltage
Ambient temperature Ta (˚C) (mW/cm2)
(mW/cm2)
EV= 100l
=2lx
E
e
=1.5mW/cm
2
PT380/PT380F/PT381/PT381F
Collector-emitter voltage VCE (V)
Collector current I C (mA)
012345678910
0
5
10
15
20
25 PC(MAX)
Ee= 1.0mW/cm
0.75mW/cm2
0.5mW/cm2
0.25mW/cm
2
0.1mW/cm2
Wavelength λ (nm)
Relative sensitivity (%)
400 500 600 700 800 900 1000 1100
0
20
40
60
80
100
PT381
PT380 PT381F
Ta= 25˚C Ta= 25˚C
110
10
100
2 5 20 50 100
1
2
5
20
50 tr
tf
10 100 1000
10
100
5 500020 50 200 500
1
2
5
20
50
200
500
1000
ts
td
tf
tr
tr
Output
Test Circuit for Response Time
VCC RL
Output Input
10%
tf
90%
Test Circuit for Response Time
td
tr
Output
VCC
Output
RL
Input
tf
10%
ts
90%
VCE = 20V
IC= 1mA
Ta= 25˚C
Response time t r,t f (µs)
(PT380/PT380F )
(PT381/PT381F )
VCE =2V
I
C= 10mA
Ta= 25˚C
Response time (µs)
(PT381/381F )
(PT381/381F)
Collector-emitter Voltage
Fig. 5-b Collector Current vs. Fig. 6 Spectral Sensitivity
2
PT380F/
Fig. 7-a Response Time vs. Load Resistance
(PT380/PT380F )
Load resistance RL (kΩ)
Fig. 7-b Response Time vs. Load Resistance
Load resistance RL (Ω)
PT380/PT380F/PT381/PT381F
Irradiance E e
0 2.5 5.0 7.5 10
0
0.2
0.4
0.6
0.8 IC= 0.05mA
0.1mA
0.5mA
1.0mA
0.1 1
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0.01 10
IC= 0.5mA
1mA
2mA
5mA
10mA
Irradiance E e (mW/cm 2)
Collector-emitter saturation voltage
VCE(sat) (V)
+70˚- 70˚ 20
Relative sensitivity (%)
- 90˚
- 80˚
Angular displacement θ
+90˚
+80˚
- 40˚
- 60˚
- 50˚
- 30˚
+10˚
(Ta= 25˚C)
100
40
60
80
- 10˚- 20˚ 0˚
+40˚
+60˚
+50˚
+30˚
+20˚
Relative output (%)
110
1
10
0.1 100
0.1
100
(PT380/380F ) (PT381/381F )
Distance to Emitter
V CE(sat) (V)
Collector-emitter saturation voltage
IF= 50mA
Ta= 25˚C
Fig. 8-a Collector-emitter Saturation
Voltage vs. Irradiance
(mW/cm 2)
Fig. 8-b Collector-emitter Saturation
Voltage vs. Irradiance
Fig.10 Relative Collector Current vs.
Distance to emitter d (mm)
Fig. 9 Sensitivity Diagram
Please refer to the chapter “ Precautions for Use.”
(Emitter:GL380/GL381)
