tubular capacitor

electronics

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Last updated

June 17, 2026

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A tubular capacitor is a type of capacitor used in electronics. Capacitors are devices that store electrical energy. They consist of two conductors separated by an insulating material called a dielectric. In tubular capacitors, the dielectric layers and electrode layers are interleaved. This design allows for large capacitances to be achieved in a small size, making them suitable for surface mounting on circuit boards. They are often preferred over disk capacitors for automatic circuit-board insertion machines due to their axial wire lead configuration.1

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capacitor dielectric and piezoelectric ceramics
Disk, multilayer, and tubular capacitors
…monolithic units are still employed, tubular capacitors are often used in place of disks, because the axial wire lead configuration of tubular capacitors is preferred over the radial configuration of disk capacitors for automatic circuit-board insertion machines.
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…monolithic units are still employed, tubular capacitors are often used in place of disks, because the axial wire lead configuration of tubular capacitors is preferred over the radial configuration of disk capacitors for automatic circuit-board insertion machines.
Read More