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PLCC-4 TOPLED
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Onwlyww.DataSheet4U.com
Pb
Lead-Free Parts
LUROS9553-4/TR1
DATA SHEET
DOC. NO : QW0905-L UROS9553-4/TR1
REV : A
DATE : 10 - Sep.- 2008

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PART NO. LUROS9553-4/TR1
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
www.DataSheet4U.com
Page 1/7
Features
*package : 12mm tape on 7" diameter reels.
*feature of the device:more light due to higher optical efficiency,higher ambient temperature at the
same current possible compared to TOPLED
*assembly methods:suitabl for all SMT assembly methods
*ESD-withstand voltage:up to 2kv acc. to JESD22-A114-B
Applications
*traffic lights
*backlighting(LCD,switches,keys,displays,illuminated advertising)
*interior and exterior automotive lighting(e.g.dashboard backlighting,turn signal lamps,sidemarkers,
brake lights)
*substitution of micro incandescent lamps
*marker lights(e.g.exit ways,etc.)
*signal and symbol luminaire
Package Dimensions
2.7(.106)
23
3.2(.126)
ANODE
14
2.2(.106)
1.85(.073)
0.7
(.028) 3
0.7
2 (.028)
0.9(.035)
3.5
(.138)
0.5(.020)
4 2.2 1
(.106)
0.9(.035)
23
0.95(.037)
1
Note : 1.All dimension are in millimeter tolerance is ±0.2mm unless otherwise noted.
2.Specifications are subject to change without notice.
4

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PART NO. LUROS9553-4/TR1
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
www.PDaatgaSehe2e/t74U.com
Absolute Maximum Ratings at Ta=25
Parameter
Symbol
Forward Current
Peak Forward Current
Duty 1/10@10KHz
Power Dissipation
Reverse Current @5V
Electrostatic Discharge( * )
Operating Temperature
IF
IFP
PD
Ir
ESD
Topr
Ratings
UROS
70
100
200
10
2000
-40 ~ +100
UNIT
mA
mA
mW
μA
V
Storage Temperature
Tstg
-40 ~ +100
* Static Electricity or power surge will damage the LED. Use of a conductive wrist band or anti-electrosatic
glove is recommended when handing these LED. All devices, equipment and machinery must be properly
grounded.
IR-Reflow Profile for lead free soldering(Acc.to J-STD-020B)
300
250 255°C
240°C
217°C
200
Maximum Solder Profile
Recommended Solder Profile
Minimum Solder Profile
150
100
50
0
0
Ramp Up
3k/s(max)
25°C
50
120 s max
100
150
260°C
+0°C
-5°C
245°C ±5°C
235°C
+5°C
-0°C
Ramp Down
10 s min 3k/s(max)
30 s max
100 s max
200 250 300
ts

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PART NO. LUROS9553-4/TR1
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
www.DataSheet4U.com
Page 3/7
Typical Electrical & Optical Characteristics (Ta=25 )
PART NO MATERIAL
COLOR
LUROS9553-4/TR1 InGaAlP
Emitted
Lens
Red Water Clear
Dominant
wave
length
λDnm
625
Spectral
halfwidth
△λnm
Forward
voltage
@50mA(V)
Luminous
intensity
@50mA(mcd)
Viewing
angle
2θ 1/2
(deg)
Min. Max. Min. Typ.
30 1.5 2.6 500 1250 120
Note : 1.The forward voltage data did not including ±0.1V testing tolerance.
2. The luminous intensity data did not including ±15% testing tolerance.
Recommended Solder Pad useable for PLCC-4 TOPLED
2.6(.102)
0.4
(.016)
4.5
(.177)
1.5(.059)

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PART NO. LUROS9553-4/TR1
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
www.DataSheet4U.com
Page 4/7
Typical Electro-Optical Characteristics Curve
UROS CHIP
Fig.1 Forward current vs. Forward Voltage
70
50
Fig.2 Relative Intensity vs. Forward Current
5.0
4.0
3.0
30
10
0
1.8
2.0 2.2 2.4
Forward Voltage(V)
2.6 2.7
2.0
1.0
0
0 10 20 30 40 50 60 70
Forward Current(mA)
Fig.3 Forward Voltage vs. Temperature
Fig.4 Relative Intensity vs. Temperature
0.00
-0.01
-0.02
-0.03
-0.04
20
30 40 50 60 70
80 90
Ambient Temperature()
1.0
0.9
0.8
0.7
0.6
20 30 40 50 60 70 80 90
Ambient Temperature()
Fig.5 Relative Intensity vs. Wavelength
1.0
0.5
Fig.6 Directivity Radiation
0°
-30° 30°
-60° 60°
0
550
600 650
Wavelength (nm)
700
100% 75% 50% 25% 0 25% 50% 75% 100%