All components related to resonance should use high-voltage capacitors. For example, antennas and baluns. This is because high voltage is generated in the resonant circuit.
The following excerpt is from Chapter 2, "Frequency Selection Networks," of the book "High-Frequency Electronic Circuits." Specifically, it refers to a series resonant circuit.
"High-frequency electronic circuits use Q values that are very large, often ranging from tens to hundreds. Therefore, the voltage difference between the inductor or capacitor in these circuits must be dozens to hundreds of times greater than V_s. For example, if V_s = 100 V and Q = 100, then the voltage at either end of the inductor or capacitor during resonance can reach 10,000 V. Therefore, when using a series resonant circuit, it is necessary to consider the voltage rating of the components. This phenomenon is unique to series resonance. Therefore, series resonance is also known as voltage resonance."
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