LT1❏40A series
Leadless Chip LED Device
2125 Size, 0.8mm Thickness,
Leadless Chip LED Devices
LT1❏40A series
■ Outline Dimensions
■ Radiation Diagram
(Unit : mm)
(Ta=25˚C)
-20˚
0˚
+20˚
2.0
0.8
100
-40˚
+40˚
80
60
40
20
2
1
-60˚
-80˚
+60˚
+80˚
Cathode mark
Recommended PWB pattern for soldering
Device center
1.2
0
X
1.25
1.1
1.25
-20˚
0˚
+20˚
100
-40˚
+40˚
80
60
40
20
1.Plating area
Resist
2.Pin connections
1 Cathode
2 Anode
0.4
0.4
-60˚
-80˚
+60˚
+80˚
1
2
3.Unspecified tolerance:±0.1
0
U type: There is Anode mark on the device because polarity faces in the
opposite direction.
Y
■ Absolute Maximum Ratings
(Ta=25˚C)
Derating factor
(mA/˚C)
Power dissipation Forward current Peak forward current
*1
Reverse voltage Operating temperature Storage temperature Soldering temperature
*2
P
IF
IFM
VR
Topr
Tstg
Tsol
Model No. Radiation color Radiation material
(mW)
(mA)
(mA)
(V)
(˚C)
(˚C)
(˚C)
DC Pulse
LT1U40A Red(Super-luminosity) GaAlAs on GaAlAs
75
23
84
84
84
84
84
30
10
30
30
30
30
30
50
50
50
50
50
50
50
0.40 0.67
0.13 0.67
0.40 0.67
0.40 0.67
0.40 0.67
0.40 0.67
0.40 0.67
4
5
5
5
5
5
5
-30 to +85 -40 to +100
-30 to +85 -40 to +100
-30 to +85 -40 to +100
-30 to +85 -40 to +100
-30 to +85 -40 to +100
-30 to +85 -40 to +100
-30 to +85 -40 to +100
350
350
350
350
350
350
350
LT1P40A
LT1D40A
GaP
GaAsP on GaP
Red
Red
LT1S40A Sunset orange GaAsP on GaP
LT1H40A Yellow GaAsP on GaP
LT1E40A Yellow-green GaP
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 the below page.
■ Electro-optical Characteristics
(Ta=25˚C)
Page for
characteristics
diagrams
Forward voltage
VF(V)
Peak emission wavelength Luminous intensity Spectrum radiation bandwidth
Reverse current
Terminal capacitance
Ct(pF)
Model No.
Lens type
IF
(mA)
IF
(mA)
IF
(mA)
VR
(V)
IV(mcd)
TYP
λp(nm)
TYP
660
695
635
∆λ(nm)
TYP
20
100
35
IR(µA)
MAX
100
10
(MHZ)
TYP
TYP
MAX
LT1U40A
LT1P40A
LT1D40A
LT1S40A
LT1H40A
LT1E40A
LT1K40A
→
→
→
→
→
→
→
1.85
1.9
2.0
2.0
2.0
2.1
2.1
2.5
2.3
2.8
2.8
2.8
2.8
2.8
20
5
35.6
1.3
11.9
9.4
20
5
20
5
3
4
4
4
4
4
4
25
55
20
15
35
35
40
1
1
1
1
1
1
1
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
10
10
Milky
diffusion
610
35
585
570
555
10.8
19.0
5.0
30
30
25
10
10
10
(Notice)
¡
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) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)
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