ROHM provides a recommended PCB layout in their application note AN0914, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
ROHM recommends using a soldering iron with a temperature of 350°C or less, and a soldering time of 3 seconds or less. Additionally, the company suggests using a solder with a melting point of 220°C or higher to prevent thermal damage to the resistor.
The maximum power rating for the LTR18EZPJ472 is 1/8W, which means it can handle a maximum power dissipation of 125mW. Exceeding this rating can lead to overheating and reduced lifespan.
While the LTR18EZPJ472 is a general-purpose resistor, it is not optimized for high-frequency applications. ROHM recommends using their high-frequency resistors, such as the LTR18EZPJ472HF, for applications above 100MHz.
ROHM recommends following standard ESD handling procedures, including using an ESD wrist strap, mat, or workstation, and storing the components in ESD-protective packaging. Additionally, the company suggests avoiding touching the component pins or body to prevent ESD damage.
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