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11

soldering & handling

Copyright © 2010-2018 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. Other trademarks, product and company names are the property of their respective owners and do 

not imply specific product and/or vendor endorsement, sponsorship or association. This document is provided for informational purposes only and is 

not a warranty or a specification. For product specifications, please see the data sheets available at www.cree.com. For warranty information, please 

contact Cree Sales at sales@cree.com.

Cree, Inc.

4600 Silicon Drive

Durham, NC 27703

USA Tel: +1.919.313.5300

www

.cre

e.

com

/Xl

amp

C

LD

-A

P

50

 R

ev 8
B

Cree

®

 XLamp

®

 ML Family LEDs

IntroDuCtIon

This application note applies to XLamp

®

 ML family LeDs, which 

have order codes in the following fomat:

MLxxxx-xx-xxxx-xxxxxx

This application note explains how XLamp ML family LeDs and 
assemblies containing these LeDs should be handled during 
manufacturing. Please read the entire document to understand 
how to properly handle XLamp ML family LeDs.

tabLE oF ContEnts

Handling XLamp

®

 ML Family LeDs ............................................. 2

Circuit Board Preparation & Layouts ........................................... 3
Case Temperature (T

s

) Measurement Point ............................... 4

Notes on Soldering XLamp

®

 ML family LeDs............................. 4

Low Temperature Operation ........................................................ 7
XLamp

®

 ML Family LED Reflow Soldering Characteristics

 ....... 8

Chemicals & Conformal Coatings ............................................... 9
Assembly Storage & Handling ................................................... 10
Tape and Reel ............................................................................. 11
Packaging & Labels ................................................................... 12

Summary of Contents for XLamp ML Series

Page 1: ...ree Inc 4600 Silicon Drive Durham NC 27703 USA Tel 1 919 313 5300 www cree com Xlamp CLD AP50 Rev 8B Cree XLamp ML Family LEDs Introduction This application note applies to XLamp ML family LEDs which...

Page 2: ...pick place tool to remove the XLamp ML family LEDs from the factory tape reel packaging Pick Place Nozzle For pick and place nozzles coming into contact with silicone covered LED components Cree recom...

Page 3: ...Stencil Pattern Hatched Area Is Opening Alternative Solder Pad 3 3 Copyright 2010 2018 Cree Inc All rights reserved The information in this document is subject to change without notice Cree the Cree...

Page 4: ...ed in the XLamp ML Family LED Reflow Soldering Characteristics section page 7 Do not wave solder XLamp ML family LEDs Do not hand solder XLamp ML family LEDs N2 reflow is recommended X WRONG P CORRECT...

Page 5: ...g is not necessary after reflow soldering If PCB cleaning is necessary Cree recommends the use of isopropyl alcohol IPA Do not use ultrasonic cleaning Moisture Sensitivity XLamp ML Family LEDs are shi...

Page 6: ...on above Storage Conditions XLamp ML Family LEDs that have been removed from the original MBB packaging but not soldered should be stored in one of the following ways Store the parts in a rigid metal...

Page 7: ...nge without notice Cree the Cree logo and XLamp are registered trademarks of Cree Inc Other trademarks product and company names are the property of their respective owners and do not imply specific p...

Page 8: ...Down Rate 1 6 C second Time 25 C to Peak Temperature 4 minutes max Note All temperatures refer to topside of the package measured on the package body surface Note While the high reflow temperatures ab...

Page 9: ...types must operate in an environment that contains oxygen Simply allowing the LEDs to ventilate to air is sufficient no extraordinary measures are required Hermetically sealing LEDs in an enclosed spa...

Page 10: ...ed The information in this document is subject to change without notice Cree the Cree logo and XLamp are registered trademarks of Cree Inc Other trademarks product and company names are the property o...

Page 11: ...Y XX 25 XXX 125 X 5 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MILLIMETERS AND AFTER FINISH TOLERANCE UNLESS SPECIFIED SURFACE FINISH 1 6 8 12 1 75 4 1 5 1 65 Trailer Loaded Pockets Leader 2 1 4 000...

Page 12: ...ot Label with Cree Bin Code Qty Lot Vacuum Sealed Moisture Barrier Bag Patent Label Label with Customer Order Code Qty Reel ID PO Humidity Indicator Card inside bag Dessicant inside bag 12 12 Copyrigh...

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