LT1U40A: There is Anode mark on the device because polarity faces in the
opposite direction.
0
Y
I
Absolute Maximum Ratings
Model No.
Emitting color
Material
Power dissipation Forward current Peak forward current
P
I
F
I
FM*1
(mW)
(mA)
(mA)
(T
a
=25˚C)
Derating factor Reverse voltage Operating temperature Storage temperature Soldering temperature
(mA/˚C)
V
R
T
opr
T
stg
T
sol*2
(V)
(˚C)
(˚C)
(˚C)
DC Pulse
-30 to +85
-30 to +85
-30 to +85
-30 to +85
-30 to +85
-30 to +85
-30 to +85
-40 to +100
-40 to +100
-40 to +100
-40 to +100
-40 to +100
-40 to +100
-40 to +100
350
350
350
350
350
350
350
4
0.40 0.67
50
30
75
LT1U40A
Red(Super-luminosity) GaAlAs on GaAlAs
5
0.13 0.67
50
10
23
LT1P40A
Red
GaP
5
0.40 0.67
50
30
84
LT1D40A
Red
GaAsP on GaP
5
0.40 0.67
50
30
84
LT1S40A
Sunset orange GaAsP on GaP
5
0.40 0.67
50
30
84
LT1H40A
Yellow
GaAsP on GaP
5
0.40 0.67
50
30
84
LT1E40A
Yellow-green GaP
5
0.40 0.67
50
30
84
LT1K40A
Green
GaP
*1 Duty ratio=1/10, Pulse width=0.1ms
*2 For 3s or less at the temperature of hand soldering. Temperature of reflow soldering is shown on page 2.
I
Electro-optical Characteristics
Lens type
Model No.
Forward voltage
V
F
(V)
TYP
1.85
1.9
2.0
2.0
2.0
2.1
2.1
MAX
2.5
2.3
2.8
2.8
2.8
2.8
2.8
Peak emission wavelength
λ
p
(nm)
TYP
660
695
635
610
585
570
555
I
F
(mA)
20
5
20
20
20
20
20
Luminous intensity
I
F
I
V
(mcd)
(mA)
TYP
35.6
20
1.3
5
11.9
20
9.4
20
10.8
20
19.0
20
5.0
20
Spectrum radiation bandwidth
I
F
∆λ(nm)
(mA)
TYP
20
20
100
5
35
20
35
20
30
20
30
20
25
20
Reverse current
I
R
(µA)
MAX
100
10
10
10
10
10
10
V
R
(V)
3
4
4
4
4
4
4
Terminal capacitance
C
t
(pF)
TYP
25
55
20
15
35
35
40
(T
a
=25˚C)
Page for
characteristics
(MH
Z
)
diagrams
1
46
1
47
1
47
1
48
1
48
1
49
1
49
LT1U40A
LT1P40A
LT1D40A
Milky
LT1S40A
diffusion
LT1H40A
LT1E40A
LT1K40A
Notice
Internet
In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in
catalogs,data books,etc.Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet address for Electronic Components Group http://sharp-world.com/ecg/
Note)Characteristics shown in diagrams are typical values. (not assurance value)
46
Notice
Internet
In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in
catalogs,data books,etc.Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet address for Electronic Components Group http://sharp-world.com/ecg/
Characteristics Diagrams
PR,P series
Forward Current Derating Curve
60
Forward Current vs. Forward Voltage(Note)
100
50
(T
a=
25˚C)
Luminous Intensity vs. Ambient Temperature(Note)
1000
500
(T
a=
25˚C)
50
Relative luminous intensity(%)
Forward current I
F
(mA)
Forward current I
F
(mA)
40
10
5.0
100
50
30
20
1.0
0.5
10
5.0
10
0
-30
0
25
50
75 85
100
125
0.1
1.0
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
-20
0
20
40
60
80
100
120
Forward voltage V
F
(V)
Ambient temperature T
a
(
˚C
)
Ambient temperature T
a
(
˚C
)
Peak Forward Current Derating Curve
60
Luminous Intensity vs. Forward Current(Note)
1000
500
(T
a=
25˚C)
Duty Ratio vs. Peak Forward Current
(T
a=
25˚C)
500
200
Peak forward current I
FM
(mA)
100
50
50
Relative luminous intensity(%)
200
100
50
Peak forward current I
FM
(mA)
40
30
20
10
5.0
2.0
20
10
5.0
2.0
1.0
20
10
0
-30
0
25
50
75 85
100
125
1.0
0.1
0.2
0.5
1
2
5
10
20
50
1/50
1/20
1/10
1/5
1/2
1
Ambient temperature T
a
(
˚C
)
Forward current I
F
(mA)
Duty ratio D
R
HD,D series
Forward Current Derating Curve
60
Forward Current vs. Forward Voltage(Note)
100
50
(T
a=
25˚C)
Luminous Intensity vs. Ambient Temperature(Note)
1000
500
(T
a=
25˚C)
50
Relative luminous intensity(%)
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
Forward current I
F
(mA)
Forward current I
F
(mA)
40
10
5.0
100
50
30
20
1.0
0.5
10
5.0
10
0
-30
0
25
50
75 85
100
125
0.1
1.0
1.0
-20
0
20
40
60
80
100
120
Forward voltage V
F
(V)
Ambient temperature T
a
(
˚C
)
Ambient temperature T
a
(
˚C
)
60
1000
500
(T
a=
25˚C)
500
200
Peak forward current I
FM
(mA)
100
50
(T
a=
25˚C)
50
Relative luminous intensity(%)
200
100
50
Peak forward current I
FM
(mA)
40
30
20
10
5.0
2.0
20
10
5.0
2.0
1.0
20
10
0
-30
0
25
50
75 85
100
125
1.0
0.1
0.2
0.5
1
2
5
10
20
50
1/50
1/20
1/10
1/5
1/2
1
Ambient temperature T
a
(
˚C
)
Forward current I
F
(mA)
Duty ratio D
R
Note)Characteristics shown in diagrams are typical values. (not assurance value)
Notice
Internet
In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in
catalogs,data books,etc.Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet address for Electronic Components Group http://sharp-world.com/ecg/
47
Characteristics
Diagrams
Peak Forward Current Derating Curve
Luminous Intensity vs. Forward Current(Note)
Duty Ratio vs. Peak Forward Current
Characteristics Diagrams
HS,S series
Forward Current Derating Curve
60
Forward Current vs. Forward Voltage(Note)
100
50
(T
a=
25˚C)
Luminous Intensity vs. Ambient Temperature(Note)
1000
500
Relative luminous intensity(%)
(I
F=
20mA)
50
Forward current I
F
(mA)
40
Forward current I
F
(mA)
20
10
5
3
2
200
30
100
50
20
10
1
0
-30
0.5
1.0
20
10
1.2
1.4
1.6
1.8
2.0
2.2
2.4
-20
0
20
40
60
80
100
Forward voltage V
F
(V)
Ambient temperature T
a
(
˚C
)
0
25
50
75 85
100
125
Ambient temperature T
a
(
˚C
)
Peak Forward Current Derating Curve
60
Luminous Intensity vs. Forward Current(Note)
500
(T
a=
25˚C)
Duty Ratio vs. Peak Forward Current
500
300
(T
a=
25˚C)
50
Relative luminous intensity(%)
Peak forward current I
FM
(mA)
200
Peak forward current I
F
(mA)
100
50
40
100
50
30
30
20
10
5
20
10
2
0
-30
0
25
50
75 85
100
125
1
0.1
0.2
0.5
1
2
5
10
20
50
10
5
1/50
1/20
1/10
1/5
1/2
1
Forward current I
F
(mA)
Duty ratio D
R
Ambient temperature T
a
(
˚C
)
HY,H series
Forward Current Derating Curve
60
Forward Current vs. Forward Voltage(Note)
100
50
(T
a=
25˚C)
Luminous Intensity vs. Ambient Temperature(Note)
1000
500
(T
a=
25˚C)
50
Relative luminous intensity(%)
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
Forward current I
F
(mA)
40
Forward current I
F
(mA)
10
5.0
100
50
30
20
1.0
0.5
10
5.0
10
0
-30
0
25
50
75 85
100
125
0.1
1.0
1.0
-20
0
20
40
60
80
100
120
Forward voltage V
F
(V)
Ambient temperature T
a
(
˚C
)
Ambient temperature T
a
(
˚C
)
Peak Forward Current Derating Curve
60
Luminous Intensity vs. Forward Current(Note)
1000
500
(T
a=
25˚C)
Duty Ratio vs. Peak Forward Current
500
300
(T
a=
25˚C)
50
Relative luminous intensity(%)
200
100
50
Peak forward current I
F
(mA)
100
50
30
Peak forward current I
FM
(mA)
40
30
20
10
5.0
2.0
20
10
10
5
0.2
0.5
1
2
5
10
20
50
1/50
1/20
1/10
1/5
1/2
1
Forward current I
F
(mA)
Duty ratio D
R
0
-30
0
25
50
75 85
100
125
1.0
0.1
Ambient temperature T
a
(
˚C
)
Note)Characteristics shown in diagrams are typical values. (not assurance value)
48
Notice
Internet
In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in
catalogs,data books,etc.Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet address for Electronic Components Group http://sharp-world.com/ecg/
Characteristics Diagrams
EG,E series
Forward Current Derating Curve
60
Forward Current vs. Forward Voltage(Note)
100
50
(T
a=
25˚C)
Luminous Intensity vs. Ambient Temperature(Note)
1000
500
(T
a=
25˚C)
50
Relative luminous intensity(%)
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
Forward current I
F
(mA)
Forward current I
F
(mA)
40
10
5.0
100
50
30
20
1.0
0.5
10
5.0
10
0
-30
0
25
50
75 85
100
125
0.1
1.0
1.0
-20
0
20
40
60
80
100
120
Forward voltage V
F
(V)
Ambient temperature T
a
(
˚C
)
Ambient temperature T
a
(
˚C
)
Peak Forward Current Derating Curve
60
Luminous Intensity vs. Forward Current(Note)
1000
500
(T
a=
25˚C)
Duty Ratio vs. Peak Forward Current
500
300
(T
a=
25˚C)
50
Relative luminous intensity(%)
200
100
50
Peak forward current I
F
(mA)
100
50
30
Peak forward current I
FM
(mA)
40
30
20
10
5.0
2.0
20
10
10
5
0.2
0.5
1
2
5
10
20
50
1/50
1/20
1/10
1/5
1/2
1
Forward current I
F
(mA)
Duty ratio D
R
0
-30
0
25
50
75 85
100
125
1.0
0.1
Ambient temperature T
a
(
˚C
)
KG,K series
Forward Current Derating Curve
60
Forward Current vs. Forward Voltage(Note)
100
50
(T
a=
25˚C)
Luminous Intensity vs. Ambient Temperature(Note)
1000
500
(T
a=
25˚C)
50
Relative luminous intensity(%)
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
Forward current I
F
(mA)
Forward current I
F
(mA)
40
10
5.0
100
50
30
20
1.0
0.5
10
5.0
10
0
-30
0
25
50
75 85
100
125
0.1
1.0
1.0
-20
0
20
40
60
80
100
120
Forward voltage V
F
(V)
Ambient temperature T
a
(
˚C
)
Ambient temperature T
a
(
˚C
)
Peak Forward Current Derating Curve
60
1000
500
(T
a=
25˚C)
500
300
(T
a=
25˚C)
50
Relative luminous intensity(%)
Peak forward current I
FM
(mA)
200
100
50
Peak forward current I
F
(mA)
100
50
30
40
30
20
10
5.0
2.0
20
10
10
5
0.2
0.5
1
2
5
10
20
50
1/50
1/20
1/10
1/5
1/2
1
Forward current I
F
(mA)
Duty ratio D
R
0
-30
0
25
50
75 85
100
125
1.0
0.1
Ambient temperature T
a
(
˚C
)
Note)Characteristics shown in diagrams are typical values. (not assurance value)
Notice
Internet
In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in
catalogs,data books,etc.Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet address for Electronic Components Group http://sharp-world.com/ecg/
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[详细]