Braking resistor device for a vehicle comprising - a plurality of braking resistor elements, each having a tubular, thermally conductive jacket; - wherein a thermally conductive and electrically insulating material is arranged in the jacket; - wherein an electrical conductor is embedded in the thermally conductive and electrically insulating material over at least 50% of a total longitudinal extent of the jacket along a longitudinal extent of an associated braking resistor element; - wherein the plurality of braking resistor elements are arranged in a stack arrangement with a plurality of layers; - wherein the plurality of layers are each formed from braking resistor elements which are arranged substantially parallel to each other in a plane which extends substantially perpendicularly with respect to the stack direction; - wherein the braking resistor elements of different layers of the plurality of layers are arranged so as to be flush relative to one another in the stack direction, - wherein the braking resistor elements of the stack arrangement are arranged spaced apart from each other in such a way that the stack arrangement can be flowed through by an airflow, and the airflow can flow from an uppermost position of the stack arrangement to a bottommost position of the stack arrangement, - wherein a clear distance between immediately adjacently arranged braking resistor elements of a first layer of the plurality of layers is at least twice as large, preferably at least three times as large, as a further clear distance between the braking resistor elements of the first layer and the braking resistor elements of a further layer of the plurality of layers which is arranged directly adjacently to the first layer; and - wherein the stack arrangement is configured to be passively cooled. - a plurality of braking resistor elements, each having a tubular, thermally conductive jacket; - wherein a thermally conductive and electrically insulating material is arranged in the jacket; - wherein an electrical conductor is embedded in the thermally conductive and electrically insulating material over at least 50% of a total longitudinal extent of the jacket along a longitudinal extent of an associated braking resistor element; - wherein the plurality of braking resistor elements are arranged in a stack arrangement with a plurality of layers; - wherein the plurality of layers are each formed from braking resistor elements which are arranged substantially parallel to each other in a plane which extends substantially perpendicularly with respect to the stack direction; - wherein the braking resistor elements of different layers of the plurality of layers are arranged so as to be flush relative to one another in the stack direction, - wherein the braking resistor elements of the stack arrangement are arranged spaced apart from each other in such a way that the stack arrangement can be flowed through by an airflow, and the airflow can flow from an uppermost position of the stack arrangement to a bottommost position of the stack arrangement, - wherein a clear distance between immediately adjacently arranged braking resistor elements of a first layer of the plurality of layers is at least twice as large, preferably at least three times as large, as a further clear distance between the braking resistor elements of the first layer and the braking resistor elements of a further layer of the plurality of layers which is arranged directly adjacently to the first layer; and - wherein the stack arrangement is configured to be passively cooled.