A sprinkler head for a sprinkler system with • a duct section for a sprinkler fluid, the duct section being formed at a first end for connection to a supply socket of a sprinkler duct of a sprinkler system and having an outlet opening at a second end, • a closing body formed from an electrically conductive material and cooperating with a seal for sealingly closing the outlet opening of the duct section, • an thrust bearing section rigidly connected to the duct section via a support element, wherein the support element and the thrust bearing section are formed of electrically conductive material and connected electrically conductively to one another, • a thermal release element arranged between the thrust bearing portion and the closing body in such a way that the closing body is held in a normal position by the thermal release element in a position in which, in cooperation with the seal, it closes the outlet opening of the duct portion in a sealing manner, so that, in a release position in which the thermal release element has thermally triggered, the closing body is released from its position which closes the outlet opening of the duct section, • wherein release means for controlled active thermal releasing of the thermal release element by active heating of the thermal release element are provided, characterised in that the release means comprise an electrical circuit board having a controller disposed thereon and an electrical power supply and an electrical conductor path having an electrical resistance along the thermal release element, the electrical circuit board having an upper surface and a lower surface and being in electrical contact with the closing body on a first of its sides, upper surface or lower surface, being in electrical contact with the closing body on a second of its sides, lower surface or upper surface, being in electrical contact with the support element, wherein the thrust bearing section and the closing body are each electrically connected to the electrical duct path guided along the thermal release element, so that by means of the controller on the printed circuit board a current flow fed by the electrical power supply passes through the supporting element, the thrust bearing section, the electrical conduction path guided along the thermal release element, and the closing body to actively heat and thus trip the thermal release element. • a duct section for a sprinkler fluid, the duct section being formed at a first end for connection to a supply socket of a sprinkler duct of a sprinkler system and having an outlet opening at a second end, • a closing body formed from an electrically conductive material and cooperating with a seal for sealingly closing the outlet opening of the duct section, • an thrust bearing section rigidly connected to the duct section via a support element, wherein the support element and the thrust bearing section are formed of electrically conductive material and connected electrically conductively to one another, • a thermal release element arranged between the thrust bearing portion and the closing body in such a way that the closing body is held in a normal position by the thermal release element in a position in which, in cooperation with the seal, it closes the outlet opening of the duct portion in a sealing manner, so that, in a release position in which the thermal release element has thermally triggered, the closing body is released from its position which closes the outlet opening of the duct section, • wherein release means for controlled active thermal releasing of the thermal release element by active heating of the thermal release element are provided,