We’re talking of course about the air-dielectric variable capacitor, the tuning element for millions of radio receivers back in the day but now long ago replaced by much flimsier polymer ...

The X1 capacitors are designed for EMI suppression in automotive and industrial applications, meeting the X1 subclass of IEC ...

for single-phase DC-AC converters. This innovative technology employs a high-frequency planar transformer to eliminate the ...