Wurth Elektronik provides a recommended PCB layout in their application notes and layout recommendations documents, which can be found on their website. It's essential to follow these guidelines to ensure optimal performance, minimal electromagnetic interference (EMI), and reduced radiation.
The 74458247 has a maximum operating temperature of 125°C. To ensure reliable operation, it's crucial to implement proper thermal management, such as using thermal vias, heat sinks, or thermal pads, and ensuring good airflow around the component.
Wurth Elektronik recommends following the JEDEC J-STD-020D.1 standard for soldering. It's essential to use a soldering profile with a peak temperature of 260°C and a dwell time of 30-60 seconds to prevent damage to the component.
To ensure EMC, follow Wurth Elektronik's guidelines for PCB layout, use shielding or filtering components, and implement proper grounding and decoupling techniques. Additionally, consider using a metal shield or a shielded enclosure to reduce radiation and susceptibility to external interference.
The 74458247 has an MSL rating of 3, which means it can withstand exposure to moisture for up to 168 hours. However, it's still essential to follow proper handling and storage procedures to prevent moisture-related damage.
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74458247 Overview
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