The recommended PCB layout for optimal thermal performance involves placing thermal vias under the LED package, using a large copper area for heat dissipation, and keeping the PCB thickness to a minimum. A 4-layer PCB with a dedicated thermal layer is also recommended.
To ensure the LED is driven within its safe operating area (SOA), you should limit the forward current to the recommended maximum value, avoid exceeding the maximum junction temperature, and use a suitable driver circuit that provides overcurrent protection and thermal monitoring.
The recommended soldering profile for the LTW-K140SZR50-EU involves a peak temperature of 260°C, a dwell time above 217°C of 60 seconds, and a total process time of 180 seconds. It's also important to use a solder with a melting point above 217°C.
To handle the LED's moisture sensitivity, you should store the devices in a dry environment with a relative humidity below 30%, use a desiccant package or dry bag, and follow the recommended baking procedure before soldering.
The recommended binning and sorting procedure for the LTW-K140SZR50-EU involves sorting by luminous flux, color temperature, and forward voltage. You should also follow the manufacturer's guidelines for binning and sorting to ensure consistent performance.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
LTW-K140SZR50-EU Overview
Use the download button to access the LTW-K140SZR50-EU schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LTW-K,
or try a keyword search, such as Visible LEDs
