A proportional solenoid control valve including: a driver including a driving member driven by an applied current to the driver; a movable component moved by the driving member; a valve body including a sliding hole formed therein, the sliding hole allowing the movable component to move therein; and a return spring configured to urge the movable component in an opposite direction to a driving direction of the driving member, the proportional solenoid control valve being configured to cause, by current dither, the applied current to the driver to micro-vibrate, the proportional solenoid control valve comprising: a mechanical stopper configured to limit displacement of the movable component, a resilient member configured to allow the movable component to vibrate owing to the current dither, the resilient member being configured as a stopper-urging spring that exerts urging force in the opposite direction to the driving direction of the driving member; characterised in that the proportional solenoid control valve further comprises: a flange provided at the driver side of the movable component; a shoulder portion of the movable component; and a stopper locking portion formed on the valve body; wherein: the mechanical stopper is provided on the shoulder portion of the movable component; the stopper-urging spring is provided between the flange and the mechanical stopper, the stopper-urging spring urging the mechanical stopper toward the shoulder portion, and the stopper-urging spring allowing the movable component to vibrate owing to the current dither when the mechanical stopper is in contact with the stopper locking portion formed on the valve body; the proportional solenoid control valve is configured as a single-drive system in which the driver is provided at an end of one side of the movable component; and the mechanical stopper and the stopper-urging spring are provided between an end of the movable component and the valve body. a mechanical stopper configured to limit displacement of the movable component, a resilient member configured to allow the movable component to vibrate owing to the current dither, the resilient member being configured as a stopper-urging spring that exerts urging force in the opposite direction to the driving direction of the driving member; characterised in that the proportional solenoid control valve further comprises: a flange provided at the driver side of the movable component; a shoulder portion of the movable component; and a stopper locking portion formed on the valve body; a flange provided at the driver side of the movable component; a shoulder portion of the movable component; and a stopper locking portion formed on the valve body; the mechanical stopper is provided on the shoulder portion of the movable component; the stopper-urging spring is provided between the flange and the mechanical stopper, the stopper-urging spring urging the mechanical stopper toward the shoulder portion, and the stopper-urging spring allowing the movable component to vibrate owing to the current dither when the mechanical stopper is in contact with the stopper locking portion formed on the valve body; the proportional solenoid control valve is configured as a single-drive system in which the driver is provided at an end of one side of the movable component; and the mechanical stopper and the stopper-urging spring are provided between an end of the movable component and the valve body.