TDK recommends a symmetrical PCB layout with a ground plane underneath the inductor to minimize electromagnetic interference (EMI) and ensure optimal performance. A minimum of 1.5 mm clearance around the inductor is recommended to prevent parasitic capacitance.
The B82722S0193A040 inductor's temperature range is -40°C to +125°C. Operating the inductor outside this range may affect its inductance, Q factor, and saturation current. TDK recommends derating the inductor's current rating by 1.5% per degree Celsius above 80°C to ensure reliable operation.
The SRF of the B82722S0193A040 inductor is not explicitly stated in the datasheet. However, based on similar inductors from TDK, the SRF is typically in the range of 100-200 MHz. It's essential to consider the SRF when designing high-frequency circuits to avoid unwanted resonances.
The B82722S0193A040 inductor is designed to withstand moderate vibration levels. However, if your application involves extreme vibration, TDK recommends using a more robust inductor or taking additional measures to secure the component, such as using a vibration-dampening material or a more secure mounting method.
To minimize the impact of the inductor's magnetic field on nearby components, TDK recommends keeping a minimum distance of 5 mm between the inductor and other components. You can also use shielding techniques, such as placing a ferrite sheet or a mu-metal shield around the inductor, to reduce the magnetic field's effect.
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About TDK
TDK-Lambda is a global supplier of power supplies and related products. It is a subsidiary of TDK Corporation, a leading electronics company based in Japan. TDK-Lambda specializes in designing and manufacturing a wide range of AC-DC power supplies, DC-DC converters, programmable power supplies, and EMC/EMI filters for various industries and applications.
