LT1❏73A series
Chip LED Device
2.75✕1.45mm, 0.9mm Thickness,
Compact Milky Diffusion Chip
LED Devices
LT1❏73A series
■ Outline Dimensions
■ Radiation Diagram
(Unit : mm)
(Ta=25˚C)
Milky diffusion
0.6
-30˚
-20˚
-10˚
0˚ 100 +10˚
+20˚
+30˚
0.3
0.3
1
0.3
-40˚
-50˚
+40˚
+50˚
0.2
80
4
60
-60˚
-70˚
-80˚
-90˚
+60˚
+70˚
+80˚
+90˚
40
20
2
3
(4-R0.1)
0.9
1.45
0
Pin connections
1 4 Cathode
2 3 Anode
1.4
Unspecified tolerance:±0.1
T type: Polarity faces in the opposite direction.
■ 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
LT1T73A Red(High-luminosity) GaAlAs on GaAs
66
23
85
85
50
50
50
30
10
30
30
20
20
20
50
50
50
50
50
50
50
0.40 0.67
0.13 0.67
0.40 0.67
0.40 0.67
0.27 0.67
0.27 0.67
0.27 0.67
5
5
5
5
5
5
5
-25 to +85 -25 to +100
-25 to +85 -25 to +100
-25 to +85 -25 to +100
-25 to +85 -25 to +100
-25 to +85 -25 to +100
-25 to +85 -25 to +100
-25 to +85 -25 to +100
350
350
350
350
350
350
350
LT1P73A
LT1D73A
GaP
GaAsP on GaP
Red
Red
LT1S73A Sunset orange GaAsP on GaP
LT1H73A Yellow GaAsP on GaP
LT1E73A Yellow-green GaP
LT1K73A 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
∆λ(nm)
TYP
20
IR(µA)
MAX
10
(MHZ)
TYP
TYP
MAX
LT1T73A
LT1P73A
LT1D73A
LT1S73A
LT1H73A
LT1E73A
LT1K73A
→
→
→
→
→
→
→
1.75
1.9
2.0
2.0
1.9
2.2
2.3
2.8
2.8
2.5
2.5
2.5
660
695
635
610
585
565
555
20
5
7.0
1.2
9.0
7.8
3.7
4.7
1.9
20
5
20
5
4
4
4
4
4
4
4
30
55
20
15
35
35
40
1
1
1
1
1
1
1
100
35
35
30
30
10
10
20
20
10
10
10
20
20
10
10
10
20
20
10
10
10
Milky
diffusion
10
10
1.95
1.95
10
10
25
¡
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00 (Notice)
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
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