Noise filter device

A noise filter device that is inserted and connected between an alternating-current power supply and a motor drive device, the noise filter device comprising:

• a first substrate on which a filter input terminal, a common-mode choke coil, and a filter output terminal are mounted;
• a second substrate on which an output-side capacitor and a ground capacitor are mounted;
• and
• a third substrate on which an input-side capacitor is mounted, wherein
• the first substrate is selected from a plurality of first substrates including a substrate in which a characteristic of a common-mode choke coil is different,
• the second substrate is selected from a plurality of second substrates including a substrate in which a characteristic of at least one of an output-side capacitor and a ground capacitor is different,
• the third substrate is selected from a plurality of third substrates including a substrate in which a characteristic of an input-side capacitor is different,
• the second substrate is attached to a first end of the first substrate so that the filter output terminal is electrically connected to the output-side capacitor and to be substantially vertical to the first substrate, and
• the third substrate is attached to a second end of the first substrate opposite to the second substrate so that the filter input terminal is electrically connected to the input-side capacitor and to be substantially vertical to the first substrate.