Bourns recommends a symmetrical PCB layout with a solid ground plane to minimize electromagnetic interference (EMI) and ensure optimal performance. A minimum of 2 oz copper thickness is recommended for the PCB.
To handle the high current rating of SRP1050WA-4R7M, ensure that the PCB traces and vias are designed to handle the maximum current rating. Use thick copper traces (at least 2 oz) and multiple vias to reduce resistance and heat generation.
Bourns provides a derating curve in the datasheet, which shows the reduction in current rating as a function of temperature. The derating curve is typically provided in the datasheet or can be requested from Bourns' technical support team.
SRP1050WA-4R7M is designed for high-frequency applications up to 1 MHz. However, it's essential to consider the inductor's self-resonant frequency (SRF) and ensure that it does not resonate at the operating frequency. Consult Bourns' application notes for high-frequency design considerations.
To ensure proper soldering, follow Bourns' recommended soldering profile and use a solder with a high melting point (e.g., SAC305). Apply a small amount of solder to the PCB pads and use a soldering iron with a temperature range of 250°C to 260°C.
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SRP1050WA-4R7M Overview
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