Sharp LT9550U, LT9550E Datasheet
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79
LED Large Lamp
■ Outline Dimensions ■ Radiation Diagram
■ Absolute Maximum Ratings
■ Electro-optical Characteristics
(Unit : mm)
(T
a=25˚C)
LT9550❏ series
LT9550❏ series
21
NO
M
(3.0)
MI
N
ø7.6
0.5
2.54
0.5
23.0 10.7
ø7.5
Pin connections
1 Anode
2 Cathode
Unspecified tolerance:±0.2
Protruded resin 1.5MAX
Colorless transparency
0˚
40
20
60
-20˚ +20˚
+40˚
+60˚
+80˚
-40˚
-60˚
-80˚
-30˚
-50˚
+10˚
100
-10˚ +30˚
+50˚
+70˚
+90˚-90˚
-70˚
80
Relative luminous intensity(%)
LT9550U
LT9550E
GaAlAs on GaAlAs
GaP
75
84
30
30
50
50
DC
0.40
0.40
Pulse
0.67
0.67
4
5
260
260
Model No.
Radiation color
Radiation material
Power dissipation
P
(mW)
Forward current
IF
(mA)
Derating factor
(mA/˚C)
Peak forward current
IFM
*1
(mA)
Operating temperature
Topr
(˚C)
Storage temperature
Tstg
(˚C)
Soldering temperature
Tsol
*2
(˚C)
Reverse voltage
VR
(V)
(T
a=25˚C)
Yellow-green
Red(Super-luminosity)
-25 to +85 -25 to +100
-25 to +85 -25 to +100
*1 Duty ratio=1/10, Pulse width=0.1ms
*2 5s or less(At the position of 1.6mm or more from the bottom face of resin package)
TYP MAX
Model No.
Lens type
Forward voltage
VF(V)
λp(nm)
TYP
I
V(mcd)
TYP
I
F
(mA)
IF
(mA)
IF
(mA)
(MH
Z)
V
R
(V)
I
R(µA)
MAX
C
t(pF)
TYP
∆λ(nm)
TYP
Peak emission wavelength
Luminous intensity
Spectrum radiation bandwidth
Reverse current
Page for
characteristics
diagrams
Terminal capacitance
(Ta=25˚C)
LT9550U
LT9550E
1.85
2.1
2.5
2.8
660
565
20
20
700
300
20
20
20
20
20
30
100
10
3
4
25
35
1
1
→
→
Colorless
transparency
ø7.5mm, Cylinder Type(Flangeless),
Colorless Transparency, High-luminosity
Large LED lamps for Indoor Use
LED Lamp Characteristics Diagrams
Note)Characteristics shown in diagrams are typical values. (not assurance value)
UR series
0
10
20
30
40
50
60
-25 0 25 50 75 85 125100
Peak Forward Current Derating Curve
Ambient temperature Ta(˚C)
Peak forward current IFM(mA)
0
10
20
30
40
50
60
-25 0 25 50 75 85 125100
Forward Current Derating Curve
Ambient temperature Ta(˚C)
Forward current IF(mA)
0.1
0.5
1.0
5.0
10
50
100
1.0 1.2 1.4 1.6 1.8 2.0 2.4 2.62.2
Forward Current vs. Forward Voltage(Note)
Forward voltage VF(V)
Forward current IF(mA)
(Ta=25˚C)
1.0
5.0
10
50
100
500
1000
-20 0 20 40 60 80 120100
Luminous Intensity vs. Ambient Temperature(Note)
Ambient temperature Ta(˚C)
Relative luminous intensity(%)
(Ta=25˚C)
1.0
5.0
2.0
10
20
50
100
200
500
1000
0.1 0.2 0.5 1 2 5 10 20 50
Luminous Intensity vs. Forward Current(Note)
Forward current IF(mA)
Relative luminous intensity(%)
(Ta=25˚C)
1.0
5.0
2.0
10
20
50
100
200
500
1/50 1/20 1/10 1/5 1/2 1
Duty Ratio vs. Peak Forward Current
Duty ratio DR
Peak forward current IFM(mA)
(Ta=25˚C)
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