1. A component placement device for placing a component on a substrate, the component placement device comprising:a holder movable in a main direction; and
a nozzle for picking up a component, the nozzle being movable relative to the holder in a direction opposite the main direction,
the nozzle being provided with a passage connected to a vacuum source and to an opening of a component pickup part,
the nozzle being provided with an opening in a wall of the nozzle located between the vacuum source and the opening, the opening being in communication with the passage,
the holder being provided with a channel in communication with the opening and the passage via a closable connection,
wherein a fluid flow channel including at least part of the passage, the opening, and the channel is configured to be opened or closed by the nozzle at the closable connection upon movement of the nozzle relative to the holder in the direction opposite to the main direction.