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LUMILEDS LUXEON 3528 RGB Assembly And Handling Information

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ILLUMINATION
LUXEON 3528 RGB
Assembly and Handling Information
Introduction
This application brief addresses the recommended assembly and handling
procedures for the LUXEON 3528 RGB emitter. This emitter is a compact 3-in-1
package that offers flexibility and versatility. With the ability to control individually or
all at the same time the color control is precise.
Scope
The assembly and handling guidelines in this application brief apply to LUXEON 3528
RGB with the following part number designation:
L 1 M C –
A A A
0 0
2
8 0 0 0 M P 0
Where:
A A A
–
designates designates color (R=Red, G=Green, B=Blue)
In the remainder of this document the term LUXEON emitter refers to the LUXEON
3528 RGB product as listed above.
AB388 LUXEON 3528 RGB Application Brief ©2024 Lumileds Holding B.V. All rights reserved.

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Summary of Contents for LUMILEDS LUXEON 3528 RGB

  • Page 1 Introduction This application brief addresses the recommended assembly and handling procedures for the LUXEON 3528 RGB emitter. This emitter is a compact 3-in-1 package that offers flexibility and versatility. With the ability to control individually or all at the same time the color control is precise.

  • Page 2: Table Of Contents

    About Lumileds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 AB388 LUXEON 3528 RGB Application Brief 20241203 ©2024 Lumileds Holding B.V. All rights reserved.

  • Page 3: Component

    A chamfer on the corner of the package marks the cathode side of the emitter package. The light emitting surface (LES) is encapsulated with silicone to protect the chips. The LUXEON 3528 RGB package is ESD HBM rated at ≥2kV (Class 2, JEDEC JS-001-2012) and does not include a transient voltage suppressor (TVS) chip.

  • Page 4: Electrical Isolation

    Mechanical drawings for the LUXEON 3528 RGB emitter is available at lumileds.com. 1.7 Soldering LUXEON 3528 RGB emitters are designed to be mechanically secured onto a heat sink. For detailed assembly instructions, see Section 3. AB388 LUXEON 3528 RGB Application Brief 20241203 ©2024 Lumileds Holding B.V. All rights reserved.

  • Page 5: Printed Circuit Board Design Guidelines

    2.4 Minimum Spacing Lumileds proposes a minimum edge to edge spacing between LUXEON emitters of 0.5mm. Placing multiple LUXEON emitters too close to each other may adversely impact the ability of the PCB to dissipate the heat from the emitters.

  • Page 6: Assembly Process

    Note that pick and place nozzles are customer specific and are typically machined to fit specific pick and place tools. Lumileds advises customers to take the following general pick and place guidelines into account: The nozzle tip should be clean and free of any particles since they may interact with the top surface of the silicone encapsulation of the LUXEON emitter package.

  • Page 7: Electrostatic Discharge Protection

    The humidity indication card has color change at 30% RH at the time of opening the vacuum sealed bag. The vacuum-sealed bag has been opened and exceeded the MSL lever floor time. AB388 LUXEON 3528 RGB Application Brief 20241203 ©2024 Lumileds Holding B.V. All rights reserved.
  • Page 8 Table 1. JEDEC Moisture sensitivity levels for LUXEON 3528 RGB. FLOOR LIFE SOAK REQUIREMENTS STANDARD LEVEL TIME CONDITIONS TIME CONDITIONS 168 Hours ≤30°C / 60% RH 192 Hours +5 / -0 ≤85°C / 60% RH AB388 LUXEON 3528 RGB Application Brief 20241203 ©2024 Lumileds Holding B.V. All rights reserved.

  • Page 9: Thermal Managements

    Table 2 provides a list of commonly used chemicals that should be avoided as they may react with the silicone material. Note that Lumileds does not warrant that this list is exhaustive since it is impossible to determine all chemicals that may...
  • Page 10 LED performance. The chemicals in Table 2 are typically not directly used in the final products that are built around LUXEON 3528 RGB emitters. However, some of these chemicals may be used in intermediate manufacturing steps (e.g. cleaning agents).

  • Page 11: About Lumileds

    Companies developing automotive, mobile, IoT and illumination lighting applications need a partner who can collaborate with them to push the boundaries of light. With over 100 years of inventions and industry firsts, Lumileds is a global lighting solutions company that helps customers around the world deliver differentiated solutions to gain and maintain a competitive edge. As the inventor of Xenon technology, a pioneer in halogen lighting and the leader in high performance LEDs, Lumileds builds innovation, quality and reliability into its technology, products and every customer engagement.

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