XL4550GRN-L100-0004 [CREE]
Visible LED;
| 型号： | XL4550GRN-L100-0004 |
| 厂家： | 
CREE, INC |
| 描述： | Visible LED |
| 文件： | 总9页 (文件大小：1426K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
®
™
CREE XLAMP 4550 LED
DATA SHEET
Data Sheet: DS-00001, Rev B
>
XLamp™ 4550 Packaged LEDs
Cree XLamp 4550 LEDs combine the brightness of power
LED chips with a rugged package capable of operating in
excess of half of a watt. XLamp LEDs lead the solid-state
lighting industry in brightness while providing a reflow sol-
derable design that is optimized for ease-of-use and ther-
mal management. Lighting applications featuring XLamp
LEDs maximize light output and increase design flexibility,
while minimizing environmental impact.
Cree XLamp 4550 LEDs bring the power of brightness to a wide range of lighting and
backlighting applications including portable lighting, computer and television screens,
signaling, architectural, landscaping and entertainment/advertising.
>
Benefits
Cree XLamp 4550 LEDs provide:
• Industry’s first ½-Watt package
• Surface mount technology — reflow solderable
• Wide range of colors
• Royal Blue, Blue, Green, Amber and Red
• Low operating voltage
• Full dimming
• ROHS compliant — lead-free
• Integrated lens
• Small footprint — 4.5 mm x 5.0 mm
• ESD > 2000V
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Characteristics
Dominant wavelength (nm)
Typical Luminous Typical Forward
Color
or Radiant flux @
125mA
Voltage (V) @
125mA
Min.
Max.
Royal Blue
Blue
455nm
465nm
520nm
585nm
620nm
465nm
475nm
535nm
595nm
635nm
65mW
4.5lm
18lm
3.25
3.25
3.25
2.00
2.00
Green
Amber
Red
8.4lm
12lm
*For details on Cree’s procedures for sorting, binning and labeling and a list of standard order
codes see application note: Cree XLamp 4550 LED Binning and Labeling
Characteristics
Unit
XLamp 4550
35
Thermal resistance, junction to solder point
°C/W
Maximum forward voltage @ 125mA (royal blue,
blue, green)
V
4
Maximum forward voltage @ 125mA (red, amber)
Viewing Angle
V
3
degrees
100
Temperature coefficient of voltage (royal blue,
blue, green)
mV/°C
mV/°C
-3.0 - -2.8
-3.2 - -3.0
Temperature coefficient of voltage (amber, red)
ESD Classification
(HBM per Mil-Std-883D)
Class 2
Unit
XLamp 4550
Maximum DC Forward Current
Maximum Reverse Voltage
mA
V
125
5
Maximum LED Junction Temperature
Minimum Operating Temperature
°C
125
°C
°C
-20
85
Maximum Operating Temperature
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Relative Spectral Power
100
90
80
70
60
50
40
30
20
10
0
375
400
425
450
475
500
525
550
575
600
625
650
675
700
Wavelength (nm)
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Electrical Characteristics (TA = 25°C)
300
300
250
200
150
100
50
250
200
150
100
50
0
0
0
1
2
3
4
5
0
1
2
3
Forward Voltage (V)
Forward Voltage (V)
Amber, Red
Royal Blue, Blue, Green
>
Thermal Design
The maximum forward current is determined by the thermal resistance between the LED junction and
ambient. Given an existing thermal resistance of 35 °C/W between the junction and the solder point,
it is crucial for the end product to be designed in a manner that minimizes the thermal resistance from
the solder point to ambient in order to optimize lamp life and optical characteristics.
140
120
100
80
60
Rj-a = < 80°C/W
Rj-a = 95°C/W
40
20
0
0
10
20
30
40
50
60
70
80
90
100
Ambient Temperature (°C)
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> Relative Flux vs. Current, TA = 25°C
200
180
160
140
120
100
80
180
160
140
120
100
80
60
60
40
40
20
20
0
0
0
50
100
150
200
250
300
0
50
100
150
200
250
300
Forward Current (mA)
Forward Current (mA)
Royal Blue, Blue, Green
Amber, Red
> Relative Intensity vs. Junction Temperature, If = 125mA
100%
80%
60%
40%
Blue 4550
Red 4550
20%
0%
0
25
50
75
100
125
150
Junction Temperature (°C)
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> Mechanical Dimensions
All measurements are ±.1mm unless otherwise indicated.
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> Tape and Reel
All dimensions in mm.
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> Dry Packing and Packaging
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Note
If the LEDs have been exposed to greater than 45% relative humidity for more than 168 hours after
opening the vacuum-sealed package, the exposed reels must be baked at 50°C for 24 hours.
The reels should be removed from the plastic bag before baking. Exposure to temperatures
higher than 50°C could result in damage to the tape and/or reel.
Copyright © 2004 - 2005 Cree, Inc. All rights reserved. Permission is given to reproduce this document
provided the entire document (including this copyright notice) is duplicated. The information in this docu-
ment is subject to change without notice. Cree, the Cree logo and Cree Lighting are registered trade-
marks, XLamp and LED Light by Cree are trademarks of Cree, Inc.
LED Light by Cree™
4600 Silicon Drive · Durham, NC 27703 · USA
Tel: +1.919.313.5300 · Fax: +1.919.313.5778
www.xlamp.com
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