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Cree(R) XLamp(R) ML-E LEDs
Data Sheet
The Cree(R) XLamp(R) ML-E LED brings lighting class reliability and performance to 1/2 Watt LEDs. The XLamp ML-E expands Cree's lighting class leadership to linear and distributed lighting applications. With XLamp lighting class reliability, a wide viewing angle, uniform light output, and industry leading chromaticity binning in a 3.5mm X 3.5 mm package, the XLamp ML-E LED continues Cree's history of segment-focused product innovation in LEDs for lighting applications. The XLamp ML-E LED brings high performance and a smooth look to a wide range of lighting applications, including linear lighting, LED light bulbs, fluorescent retrofits and retail-display lighting.
FEATURES * Available in white (2,600 K to 8,300 K CCT) * * * * * * ANSI-compatible sub-bins Maximum Drive current: 175 mA 120 viewing angle, uniform chromaticity profile Electrically neutral thermal path RoHS and Reach-compliant Unlimited floor life at 30C/85% RH
Table of Contents
Flux Characteristics (TJ = 25C)................................................................................................................. 2 Characteristics ........................................................................................................................................ 2 Relative Spectral Power Distribution ........................................................................................................... 3 Relative Flux vs. Junction Temperature (IF = 150 mA)................................................................................... 3 Electrical Characteristics (TJ = 25C) .......................................................................................................... 4 Relative Flux vs. Current (TJ = 25C) ......................................................................................................... 4 Thermal Design ....................................................................................................................................... 5 Typical Spatial Distribution ........................................................................................................................ 5 Reflow Soldering Characteristics ................................................................................................................ 6 Notes ..................................................................................................................................................... 7 Mechanical Dimensions (TA = 25C) ........................................................................................................... 8 Tape and Reel ......................................................................................................................................... 9 Packaging ............................................................................................................................................. 10 Top View ............................................................................................................................................... 6 Bottom View.......................................................................................................................................... 6 Top View ............................................................................................................................................... 6 Side View .............................................................................................................................................. 6 Subject to change without notice. www.cree.com/xlamp
ev 0 CLD-DS30 R Data Sheet:
1
Flux Characteristics (TJ = 25C)
The following table provides several base order codes for XLamp ML-E LEDs. It is important to note that the base order codes listed here are a subset of the total available order codes for the product family. For more order codes, as well as a complete description of the order-code nomenclature, please consult the XLamp ML-E LED Binning and Labeling document.
Color
CCT Range Min. Max.
Base Order Codes Min Luminous Flux (lm) @ 150 mA Group M2 Flux (lm) 39.8 45.7 51.7 39.8 45.7 30.6 35.2
Order Code
MLEAWT-A1-0000-000251 MLEAWT-A1-0000-000351 MLEAWT-A1-0000-000451 MLEAWT-A1-0000-0002E5 MLEAWT-A1-0000-0003E5 MLEAWT-A1-0000-0000E7 MLEAWT-A1-0000-0001E7
Cool White
5,000 K
8,300 K
M3 N2
3,700 K Warm White 2,800 K
4,300 K
M2 M3 K2 K3
3,200 K
Notes: * Cree maintains a tolerance of +/- 7% on flux measurements. * Typical CRI for Cool White (4,300 K - 8,300 K CCT) is 75. * Typical CRI for Warm White (2,600 K - 4,300 K CCT) is 80.
Characteristics
Characteristics Thermal resistance, junction to solder point Viewing angle (FWHM) Temperature coefficient of voltage ESD classification (HBM per Mil-Std-883D) DC forward current Forward voltage (@ 150 mA) LED junction temperature mA V C Unit C/W degrees mV/C Minimum Typical 11 120 -3 Class 2 150 3.2 175 3.4 150 Maximum
Copyright (c) 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks of Cree, Inc.
Cree, Inc. 4600 Silicon Drive Durham, NC 27703 USA Tel: +1.919.313.5300 www.cree.com/xlamp
2
CLD-DS30 Rev 0
Relative Spectral Power Distribution
Relative Flux vs. Junction Temperature (IF = 150 mA)
Copyright (c) 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks of Cree, Inc.
Cree, Inc. 4600 Silicon Drive Durham, NC 27703 USA Tel: +1.919.313.5300 www.cree.com/xlamp
3
CLD-DS30 Rev 0
Electrical Characteristics (TJ = 25C)
Relative Flux vs. Current (TJ = 25C)
140%
Relative Luminous Flux (%)
120% 100%
80% 60% 40% 20% 0% 0 25 50 75 100 125 150 175
Forward Current (mA)
Copyright (c) 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks of Cree, Inc.
Cree, Inc. 4600 Silicon Drive Durham, NC 27703 USA Tel: +1.919.313.5300 www.cree.com/xlamp
4
CLD-DS30 Rev 0
Thermal Design
The maximum forward current is determined by the thermal resistance between the LED junction and ambient. 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.
200 180 160 140
Maximum Current (mA)
120
100
80 60 40 20 0 0
Rj-a Rj-a Rj-a Rj-a
= = = =
20C/W 30C/W 40C/W 50C/W
25
50
75
100
125
150
Ambient Temperature (C)
Typical Spatial Distribution
120
Relative Luminous Intensity (%)
100
80
60
40
20
0 -100 -80 -60 -40 -20 0 20 40 60 80 100
Angle ()
Copyright (c) 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks of Cree, Inc.
Cree, Inc. 4600 Silicon Drive Durham, NC 27703 USA Tel: +1.919.313.5300 www.cree.com/xlamp
5
CLD-DS30 Rev 0
Reflow Soldering Characteristics
In testing, Cree has found XLamp ML-E LEDs to be compatible with JEDEC J-STD-020C, using the parameters listed below. As a general guideline, Cree recommends that users follow the recommended soldering profile provided by the manufacturer of solder paste used. Note that this general guideline may not apply to all PCB designs and configurations of reflow soldering equipment.
Profile Feature Average Ramp-Up Rate (Tsmax to Tp) Preheat: Temperature Min (Tsmin) Preheat: Temperature Max (Tsmax) Preheat: Time (tsmin to tsmax) Time Maintained Above: Temperature (TL) Time Maintained Above: Time (tL) Peak/Classification Temperature (Tp) Time Within 5C of Actual Peak Temperature (tp) Ramp-Down Rate Time 25C to Peak Temperature
Lead-Based Solder 3C/second max. 100C 150C 60-120 seconds 183C 60-150 seconds 215C 10-30 seconds 6C/second max. 6 minutes max.
Lead-Free Solder 3C/second max. 150C 200C 60-180 seconds 217C 60-150 seconds 260C 20-40 seconds 6C/second max 8 minutes max.
Note: All temperatures refer to topside of the package, measured on the package body surface. Note: While the high reflow temperatures (above) have been approved, Cree's best practice guideline for reflow is to use as low a temperature as possible during the reflow soldering process for these LEDs.
Copyright (c) 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks of Cree, Inc.
Cree, Inc. 4600 Silicon Drive Durham, NC 27703 USA Tel: +1.919.313.5300 www.cree.com/xlamp
6
CLD-DS30 Rev 0
Notes
Moisture Sensitivity In testing, Cree has found XLamp ML-E LEDs to have unlimited floor life in conditions 30C / 85% relative humidity (RH). Moisture testing included a 168 hour soak at 85C / 85% RH followed by 3 reflow cycles, with visual and electrical inspections at each stage. RoHS Compliance The levels of environmentally sensitive, persistent biologically toxic (PBT), persistent organic pollutants (POP), or otherwise restricted materials in this product are below the maximum concentration values (also referred to as the threshold limits) permitted for such substances, or are used in an exempted application, in accordance with EU Directive 2002/95/ EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS), as amended through April 21, 2006. Vision Advisory Claim Users should be cautioned not to stare at the light of this LED product. The bright light can damage the eye.
Copyright (c) 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks of Cree, Inc.
Cree, Inc. 4600 Silicon Drive Durham, NC 27703 USA Tel: +1.919.313.5300 www.cree.com/xlamp
7
CLD-DS30 Rev 0
Mechanical Dimensions (TA = 25C)
MX3535 Pad Layout are .13 mm unless otherwise indicated. All measurements
Top View
Top View
Bottom View
Side View
Recommended FR4 Solder Pad
Recommended MCPCB Solder Pad
Alternative Solder Pad
Copyright (c) 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks of Cree, Inc.
Cree, Inc. 4600 Silicon Drive Durham, NC 27703 USA Tel: +1.919.313.5300 www.cree.com/xlamp
8
CLD-DS30 Rev 0
4.0.1 1.75.10 8.0.1
1.5.1
2.5.1 Cathode Side
Tape and Reel
+.3 12.0 .0
All dimensions in mm.
Anode Side User Feed (denoted by + and circle) Direction
END START User Feed Direction
END
START
Trailer 160mm (min) of empty pockets sealed with tape (20 pockets min.)
Loaded Pockets (1,000 Lamps)
Leader 400mm (min) of empty pockets with at least 100mm sealed by tape (50 empty pockets min.) User Feed Direction
Cover Tape
Pocket Tape
13mm 7"
Copyright (c) 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks of Cree, Inc.
Cree, Inc. 4600 Silicon Drive Durham, NC 27703 USA Tel: +1.919.313.5300 www.cree.com/xlamp
9
CLD-DS30 Rev 0
Packaging
All dimensions in mm.
Vacuum-Sealed Vacuum-Sealed Moisture Barrier Bag Moisture Barrier Bag
Label with CREE Bin Code Cree Bin & Barcode Label Code, Qty, Lot # Label with Cree Bin Label with Customer P/N, Qty, Lot #, PO Code, Qty, Lot# #
Patent Label Label with Customer Order Code, Qty, Reel ID, PO #
Copyright (c) 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks of Cree, Inc.
Cree, Inc. 4600 Silicon Drive Durham, NC 27703 USA Tel: +1.919.313.5300 www.cree.com/xlamp
10
CLD-DS30 Rev 0

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