(of an electronic component) having leads which are designed to go through holes to the other side of a circuit board for soldering.
（电子元件）（贯）通孔的。常与SURFACE-MOUNT 相对
Often contrasted with surface-mount
Example sentencesExamples
Then, etchant is supplied via the through-hole to make a space in the base layer under the resonator assembly.
This product requires fewer board assembly process steps compared with the equivalent through-hole product.
State-of-the-art vibrating gyroscopes are packaged in small through-hole technology and surface-mount technology housings and typically can be installed easily on printed circuit boards.
The board uses through-hole construction rather than surface-mount, and is housed in a stainless-steel chassis, providing maximum shielding from external nasties.
In integrating spiral inductors, a number of issues emerged including cad layout, copper etchback, through-hole plating and interconnect lines.
Available in surface-mount or through-hole versions, compact slide switches feature double-pole capabilities in a single-pole body.