A pressure sensor assembly comprising: a sensor unit having a first side and an opposite second side with a pressure input port on the first side, the sensor unit including: a printed circuit board having a first side and an opposite second side; a pressure sensor including a pressure sense element, the pressure sensor is secured to the first side of the printed circuit board; a support secured to the first side of the printed circuit board, the support circumferentially surrounding the pressure sensor and defining a media sensing opening; a media isolation layer encasing the pressure sensor within the media sensing opening, the media isolation layer transferring a pressure caused by a sense media to the pressure sensor; a pressure port having a fluid path that extends from an external side of the pressure port to an internal side of the pressure port, wherein the first side of the support is secured relative to the internal side of the pressure port such that the fluid path of the pressure port is in fluid communication with the media isolation layer in the media sensing opening; and an electrical connector including a mechanical connector and one or more electrical terminals, wherein the electrical connector comprises an electrical connector body, and wherein at least one of the one or more electrical terminals of the electrical connector are electrically connected to an output of the sensor unit; the pressure sensor assembly being characterised in that the electrical connector body abuts the second side of the printed circuit board, and wherein the electrical connector body supports the printed circuit board on the second side and the support from the electrical connector body on the second side of the printed circuit board aligns with the support on the first side of the printed circuit board such that the printed circuit board is sandwiched between the electrical connector body and the support to reduce stress at the pressure sensor. a sensor unit having a first side and an opposite second side with a pressure input port on the first side, the sensor unit including: a printed circuit board having a first side and an opposite second side; a pressure sensor including a pressure sense element, the pressure sensor is secured to the first side of the printed circuit board; a support secured to the first side of the printed circuit board, the support circumferentially surrounding the pressure sensor and defining a media sensing opening; a media isolation layer encasing the pressure sensor within the media sensing opening, the media isolation layer transferring a pressure caused by a sense media to the pressure sensor; a printed circuit board having a first side and an opposite second side; a pressure sensor including a pressure sense element, the pressure sensor is secured to the first side of the printed circuit board; a support secured to the first side of the printed circuit board, the support circumferentially surrounding the pressure sensor and defining a media sensing opening; a media isolation layer encasing the pressure sensor within the media sensing opening, the media isolation layer transferring a pressure caused by a sense media to the pressure sensor; a pressure port having a fluid path that extends from an external side of the pressure port to an internal side of the pressure port, wherein the first side of the support is secured relative to the internal side of the pressure port such that the fluid path of the pressure port is in fluid communication with the media isolation layer in the media sensing opening; and an electrical connector including a mechanical connector and one or more electrical terminals, wherein the electrical connector comprises an electrical connector body, and wherein at least one of the one or more electrical terminals of the electrical connector are electrically connected to an output of the sensor unit; the pressure sensor assembly being characterised in that the electrical connector body abuts the second side of the printed circuit board, and wherein the electrical connector body supports the printed circuit board on the second side and the support from the electrical connector body on the second side of the printed circuit board aligns with the support on the first side of the printed circuit board such that the printed circuit board is sandwiched between the electrical connector body and the support to reduce stress at the pressure sensor.