■Outline Dimensions
PT481/PT481F/
PT483F1
■Features
■Applications
■Absolute Maximum Ratings (Ta = 25˚C)
1. Epoxy resin package
3. High sensitivity
PT481/PT483F1
PT481F
PT481F/PT483F1
1. VCRs, cassette tape recorders
2. Floppy disk drives
3. Optoelectronic switches
4. Automatic stroboscopes
bottom face of resin package
PT481/PT481F/PT483F1
❈Epoxy resin
PT481 Light blue transparent resin
PT481F Visible light cut-off resin (black)
1.4
R0.5
0.15
0.75
1.15
4.0
Rest of
gate
1.7
2-0.45
2-0.8
2-0.4
2-C0.5 3.0
1.5
Detector center
2.54
2.8
1.6
60˚
2
1
Epoxy
Mark
(black)
PT481F
PT481/PT481F
PT483F1
1.4
R0.5
0.15
0.75
1.15
4.0
Rest of
gate
1.7
2-0.45
2-0.8
2-0.4
2-C0.5 3.0
1.5
Detector center
2.54
2.8
1.6
60˚
2
1
Epoxy
Mark
(black)
2-0.6
40.0
3.0 18.5
*1 For 3 seconds at the position of 1.4mm from the
1 Emitter
2 Collector
2
1
1 Emitter
2 Collector
2
1
2. Narrow acceptance (∆θ : Typ. ± 13˚ )
(IC: MIN. 1.5mA at E e= 0.1mW/cm 2):
(IC: MIN. 0.9mA at E e= 0.1mW/cm2):
4. Visible light cut-off type :
❈Visible light cut-off resin (black)
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,
(Unit : mm)
Parameter Symbol Rating Unit
Collector-emitter voltage VCEO 35 V
Emitter-collector voltage VECO 6V
Collector current IC50 mA
Collector power dissipation
PC75 mW
Operating temperature T opr
- 25 to +85
˚C
Storage temperature T stg
- 40 to +85
˚C
*1Soldering temperature T sol 260 ˚C
Narrow Acceptance High
Sensitivity Phototransistor
5. Long lead pin type : PT483F1
0.8MAX.
0.5
MIN.
0.3MAX.
resin❈
0.8
MAX.
2.95±0.2
2.15±0.2
R0.8±0.1
17.5
+1.5
-1.0
resin❈
0.8MAX.
2.95±0.2
2.15±0.2
R0.8±0.1
0.8MAX.
0.3MAX.
0.5MIN.
PT481/PT481F/PT483F1
■Electro-optical Characteristics
Parameter Symbol Conditions MIN. TYP. MAX. Unit
current
PT481 ICVCE =2V
Ee= 0.1mW/cm2
1.5 10 25 mA
PT481F 0.9 - 27 mA
PT483F1 1.5 -4.0 mA
Collector dark current ICEO VCE = 10V, Ee=0 - - 10
-6 A
*2 Collector-emitter saturation voltage VCE(sat)- 0.7 1.0 V
Ee= 1mW/cm2
λp- 800 - nm
-
-860 - nm
trVCE = 2V, IC= 10mA - 80 - µs
tfRL= 100Ω-70-µs
I
c
= 2.5mA
*2 Collector
(Ta = 25˚C)
*2 Ee: Irradiance by CIE standard light source A (tungsten lamp )
Peak emission PT481
wavelength PT481F/PT483F1
Response time Rise time
Fall time
-25
0
20
10
30
50
40
60
80
70
250 50 10075 85 -25 0 25 50 75 100
10 -11
5
5
5
5
5
5
5
5
10 -10
10 -8
10 -7
10 -6
10 -5
10 -4 VCE
= 10V
Ambient temperature Ta (˚C)
Relative collector current (%)
-25 0 25 50 75 100
50
75
100
125
150
175
10-1
10
25 25
1
2
5
20
50
Collector power dissipation P C (mW)
Ambient temperature Ta(˚C)
Collector dark current I CEO (A)
Ambient temperature Ta(˚C)
10 -9
Irradiance Ee (mW/cm2)
Collector current I C (mA)
Fig. 1 Collector Power Dissipation vs.
Ambient Temperature Fig. 2 Collector Dark Current vs.
Ambient Temperature
Fig. 3 Relative Collector Current vs.
Ambient Temperature (PT481)
VCE =2V
Ta= 25˚C
VCE =2V
Ee= 0.1mW/cm2
Fig.4-a Collector Current vs. Irradiance
1
PT481/PT481F/PT483F1
Irradiance E e (mW/cm2)
Collector current I C (mA)
10-1
10
25 25
1
2
5
20
50
Collector- emitter voltage VCE (V)
Collector current I C (mA)
0123456
0
5
10
15
20
25 Ta= 25˚C
Ee= 0.2mW/cm2
PC(MAX.)
0.15mW/cm
2
0.1mW/cm
2
0.08mW/cm
2
0.06mW/cm
2
0.04mW/cm2
0.02mW/cm
2
Collector-emitter voltage VCE (V)
Collector current I C (mA)
0246810121416
0
2
4
6
8
10
12
14
16
Ta= 25˚C
PC(MAX.)
E
e
= 0.2mW/cm
2
0.15mW/cm
2
0.1mW/cm
2
0.08mW/cm
2
0.04mW/cm
2
Wavelength λ (nm)
Relative sensitivity (%)
400 500 600 700 800 900 1000 1100
0
20
40
60
80
100 Ta= 25˚C
PT481 PT481F
PT483F1
L (Ω)
Response time (µs)
10 100 1000
10
100
5000
1
1000
ts
td
tf
tr
Test Circuit for Response Time
td
tr
Output
VCC
Output
RL
Input
tf
10%
ts
90%
VCE =2V
Ta= 25˚C
(PT481F/PT483F1 )
VCE =2V
I
C= 10mA
Ta= 25˚C
(PT481F/PT483F1 ) Collector-emitter Voltage
(PT481)
2
2
1
Fig.4-b Collector Current vs. Irradiance Fig.5-a Collector Current vs.
Fig. 6 Spectral SensitivityFig.5-b Collector Current vs.
Collector-emitter Voltage
0.02mW/cm
0.06mW/cm
Fig. 7 Response Time vs. Load Resistance
Load resistance R
PT481/PT481F/PT483F1
Angular displacement θ
0Irradiance E e (mW/cm2)
0.01 0.1
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
- 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˚
0.003 0.50.02 0.05 0.2
IC= 0.5mA
1mA
2mA
5mA
7mA
20mA
10mA
Irradiance E e (mW/cm2)
0.01 0.1 1
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0.005 0.02 0.05 0.2 0.5
IC= 0.5mA
1mA
2mA
5mA
10mA
20mA
Relative output (%)
110
1
10
0.2 0.5 2 5 20 50
0.5
2
5
20
50
100
(Ta= 25˚C)
(Ta= 25˚C)
Collector-emitter
saturation voltage VCE(sat) (V)
(PT481F/PT483F1 ) (Ta= 25˚C)
Collector-emitter
saturation voltage VCE(sat) (V)
PT481)
(PT481F/PT483F1 )
(Emitter :GL480)
d (mm)
●Please refer to the chapter “ Precautions for Use.”
Fig. 8 Sensitivity Diagram Fig.9-a Collector-emitter Saturation
Voltage vs. Irradiance (
Fig.10 Relative Output vs. DistanceFig.9-b Collector-emitter Saturation
Voltage vs. Irradiance
Distance between emitter and detector
115
Application Circuits
NOTICE
●The circuit application examples in this publication are provided to explain representative applications of
SHARP devices and are not intended to guarantee any circuit design or license any intellectual property
rights. SHARP takes no responsibility for any problems related to any intellectual property right of a
third party resulting from the use of SHARP's devices.
●Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
SHARP reserves the right to make changes in the specifications, characteristics, data, materials,
structure, and other contents described herein at any time without notice in order to improve design or
reliability. Manufacturing locations are also subject to change without notice.
●Observe the following points when using any devices in this publication. SHARP takes no responsibility
for damage caused by improper use of the devices which does not meet the conditions and absolute
maximum ratings to be used specified in the relevant specification sheet nor meet the following
conditions:
(i) The devices in this publication are designed for use in general electronic equipment designs such as:
--- Personal computers
--- Office automation equipment
--- Telecommunication equipment [terminal]
--- Test and measurement equipment
--- Industrial control
--- Audio visual equipment
--- Consumer electronics
(ii)Measures such as fail-safe function and redundant design should be taken to ensure reliability and
safety when SHARP devices are used for or in connection with equipment that requires higher
reliability such as:
--- Transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.)
--- Traffic signals
--- Gas leakage sensor breakers
--- Alarm equipment
--- Various safety devices, etc.
(iii)SHARP devices shall not be used for or in connection with equipment that requires an extremely
high level of reliability and safety such as:
--- Space applications
--- Telecommunication equipment [trunk lines]
--- Nuclear power control equipment
--- Medical and other life support equipment (e.g., scuba).
●Contact a SHARP representative in advance when intending to use SHARP devices for any "specific"
applications other than those recommended by SHARP or when it is unclear which category mentioned
above controls the intended use.
●If the SHARP devices listed in this publication fall within the scope of strategic products described in the
Foreign Exchange and Foreign Trade Control Law of Japan, it is necessary to obtain approval to export
such SHARP devices.
●This publication is the proprietary product of SHARP and is copyrighted, with all rights reserved. Under
the copyright laws, no part of this publication may be reproduced or transmitted in any form or by any
means, electronic or mechanical, for any purpose, in whole or in part, without the express written
permission of SHARP. Express written permission is also required before any use of this publication
may be made by a third party.
●Contact and consult with a SHARP representative if there are any questions about the contents of this
publication.
