Abstract: A circuit board assembly includes a circuit board and an electrical connector having a connector housing holding contacts in a contact array. The connector housing has a mating end configured to be mated with a mating electrical connector in a mating direction. The electrical connector has cables terminated to the contacts and extending from a cable end. A connector mount is used to locate the electrical connector relative to the circuit board. A bracket is coupled to the mounting surface of the circuit board. A biasing member is coupled to the bracket and the mounting feature and is compressible along a compression axis parallel to the mating direction to allow the electrical connector to float in the mating direction relative to the circuit board.

Abstract: A circuit board assembly includes an electrical connector mounted to a circuit board having a connector housing holding contacts in a contact array. A connector mount having a bracket is coupled to the mounting surface of the circuit board proximate to the mating edge. The electrical connector is movably coupled to the connector mount to move relative to the circuit board during mating with the mating electrical connector. The connector mount has a biasing member compressible along a compression axis parallel to the mating direction to allow the electrical connector to float in the mating direction relative to the circuit board. The electrical connector is movably coupled to the connector mount in a confined envelope in at least one floating direction perpendicular to the mating direction.

Abstract: An electrical connector includes wafer assemblies coupled to a housing. Each wafer assembly includes a leadframe, a wafer body holding the leadframe, and a ground frame coupled to the wafer body to provide electrical shielding for the leadframe. Each leadframe has signal contacts with mating ends extending from the wafer body for mating with mating signal contacts of a mating electrical connector. The mating ends are twisted 45° to define twisted mating interfaces. Each ground frame has ground shields extending from a ground plate along the mating ends of the signal contacts. The ground shields are twisted 45° relative to the ground plate to define twisted shield zones along the mating ends of the signal contacts.

Abstract: An electrical connector assembly includes a housing having a mating interface configured to be mated with a hermaphroditic mating electrical connector assembly. The housing includes an electrically conductive commoning member having contact openings. Wafer assemblies are coupled to the housing each having a leadframe, a wafer body holding the leadframe, and a ground frame providing electrical shielding for the leadframe. The signal contacts are terminated to cables. The ground shields are electrically connected to the commoning member. The mating ends of the signal contacts and the ground shields form a hermaphroditic mating interface for mating with the hermaphroditic mating electrical connector assembly.

Abstract: An electrical connector includes wafer assemblies coupled to a housing. Each wafer assembly includes a leadframe, a wafer body holding the leadframe, and a ground frame coupled to the wafer body to provide electrical shielding for the leadframe. Each leadframe has signal contacts with mating ends extending from the wafer body for mating with mating signal contacts of a mating electrical connector. The mating ends are twisted 45° to define twisted mating interfaces. Each ground frame has ground shields extending from a ground plate along the mating ends of the signal contacts. The ground shields are twisted 45° relative to the ground plate to define twisted shield zones along the mating ends of the signal contacts.

Abstract: An electrical connector includes a housing holding wafer assemblies in a wafer stack each including a wafer body holding a leadframe with signal contacts arranged in pairs and extending between mating ends and mounting ends. Each pair includes a primary signal contact and a secondary signal contact. Each signal contact has a main body extending through the wafer bodies and a mating end extend from the wafer body presented at the mating interface. The mating ends are twisted 45° relative to the main bodies. The mating end of the primary signal contact is arranged at a first side of the main body and the mating end of the secondary signal contact is arranged at a second side of the main body to define a twisted pair interface configured to be mated with the mating signal contacts of the mating electrical connector.

Abstract: A printed circuit board includes a layered substrate having a plurality of layers having an electrical connector footprint configured to receive an electrical connector. The printed circuit board includes pair anti-pads passing through the layered substrate around pairs of signal vias. The printed circuit board includes ground vias passing through the layered substrate. The ground vias are configured to receive ground pins of the electrical connector. The ground vias are located outside of the pair anti-pads. The printed circuit board includes SI vias passing through the layered substrate. The SI vias form an SI fence surrounding the corresponding pair anti-pad.

Abstract: An electrical connector includes wafer assemblies coupled to a housing. Each wafer assembly includes a leadframe, a wafer body holding the leadframe, and a ground frame coupled to the wafer body to provide electrical shielding for the leadframe. Each leadframe has signal contacts with mating ends extending from the wafer body for mating with mating signal contacts of a mating electrical connector. The mating ends are twisted 45° to define twisted mating interfaces. Each ground frame has ground shields extending from a ground plate along the mating ends of the signal contacts. The ground shields are twisted 45° relative to the ground plate to define twisted shield zones along the mating ends of the signal contacts.

Abstract: An electrical connector includes a housing holding wafer assemblies in a wafer stack each including a wafer body holding a leadframe with signal contacts arranged in pairs and extending between mating ends and mounting ends. Each pair includes a primary signal contact and a secondary signal contact. Each signal contact has a main body extending through the wafer bodies and a mating end extend from the wafer body presented at the mating interface. The mating ends are twisted 45° relative to the main bodies. The mating end of the primary signal contact is arranged at a first side of the main body and the mating end of the secondary signal contact is arranged at a second side of the main body to define a twisted pair interface configured to be mated with the mating signal contacts of the mating electrical connector.

Abstract: A circuit board assembly includes an electrical connector mounted to a circuit board having a connector housing holding contacts in a contact array. A connector mount having a bracket is coupled to the mounting surface of the circuit board proximate to the mating edge. The electrical connector is movably coupled to the connector mount to move relative to the circuit board during mating with the mating electrical connector. The connector mount has a biasing member compressible along a compression axis parallel to the mating direction to allow the electrical connector to float in the mating direction relative to the circuit board. The electrical connector is movably coupled to the connector mount in a confined envelope in at least one floating direction perpendicular to the mating direction.

Abstract: An electrical connector includes wafer assemblies coupled to a housing. Each wafer assembly includes a leadframe, a wafer body holding the leadframe, and a ground frame coupled to the wafer body to provide electrical shielding for the leadframe. Each leadframe has signal contacts with mating ends extending from the wafer body for mating with mating signal contacts of a mating electrical connector. The mating ends are twisted 45° to define twisted mating interfaces. Each ground frame has ground shields extending from a ground plate along the mating ends of the signal contacts. The ground shields are twisted 45° relative to the ground plate to define twisted shield zones along the mating ends of the signal contacts.

Abstract: A circuit board assembly includes a circuit board and an electrical connector having a connector housing holding contacts in a contact array. The connector housing has a mating end configured to be mated with a mating electrical connector in a mating direction. The electrical connector has cables terminated to the contacts and extending from a cable end. A connector mount is used to locate the electrical connector relative to the circuit board. A bracket is coupled to the mounting surface of the circuit board. A biasing member is coupled to the bracket and the mounting feature and is compressible along a compression axis parallel to the mating direction to allow the electrical connector to float in the mating direction relative to the circuit board.

Abstract: An electrical connector including a housing defining an interior cavity and extending from a mounting end to an engagement end, and at least one signal component disposed within the interior cavity of the housing. The housing is formed from a conductive composite material and engages the at least one signal component to shield the interior cavity.

Abstract: A header assembly includes a header housing and contact modules coupled to the header housing each having a frame assembly with a signal leadframe and a dielectric frame. The dielectric frame includes mating portion extensions at a front of the dielectric frame. The signal leadframe includes mating portions extending forward from the mating portion extensions. Each contact module includes a ground shield having ground shrouds providing electrical shielding for the mating portions. Each ground shroud includes shroud walls forming a shroud cavity receiving the corresponding mating portion extension. Each ground shroud includes a shroud transition to vary a depth of the shroud cavity along a length of the ground shroud.

Abstract: A header assembly includes a header housing and contact modules coupled to the header housing each having a frame assembly with a signal leadframe and a dielectric frame. The dielectric frame includes mating portion extensions at a front of the dielectric frame. The signal leadframe includes mating portions extending forward from the mating portion extensions. Each contact module includes a ground shield having ground shrouds providing electrical shielding for the mating portions. Each ground shroud includes shroud walls forming a shroud cavity receiving the corresponding mating portion extension. Each ground shroud includes a shroud transition to vary a depth of the shroud cavity along a length of the ground shroud.

Abstract: An electrical connector includes a housing and contact modules held by the housing. The contact modules include ground shields having ground contacts. The contact modules have a dielectric carrier that holds signal contacts. The ground contacts are configured for mating with corresponding ground contacts of a complementary mating connector, and are plated with a ground contact plating that includes at least one ground contact plating material. An interface between the ground contacts held and the corresponding ground contacts of the complementary mating connector has a first contact resistance. The signal contacts are configured for mating with corresponding signal contacts of the mating connector, and are plated with a signal contact plating. An interface between the signal contacts held and the signal contacts of the complimentary mating connector has a second contact resistance. The second contact resistance is lower than the first contact resistance.

Abstract: An electrical connector includes a contact module having a first dielectric frame holding first conductors and a second dielectric frame holding second conductors stacked with the first dielectric frame to form the contact module. The first dielectric frame has insertion loss control windows defining air pockets exposing exposed portions of the corresponding first conductors to air. The size and shape of the insertion loss control windows control insertion loss along the first conductors. The second dielectric frame has insertion loss control windows defining air pockets exposing exposed portions of the corresponding second conductors to air. The size and shape of the insertion loss control windows control insertion loss along the second conductors. The insertion loss control windows of the second dielectric frame are aligned with and are open to the insertion loss control windows of the first dielectric frame.

Abstract: A contact module includes a leadframe having signal contacts arranged in pairs. Each signal contact includes a lead having sides extending between inner and outer edges. The contact module includes a dielectric frame supporting the leadframe having a first side and a second side with windows extending through the dielectric frame between the first side and the second side. The windows exposing to air the sides, the inner edges and the outer edges of the corresponding leads along a majority of lengths of the leads. The contact module includes a shield structure having a first ground shield at the first side and a second ground shield at the second side to provide electrical shielding for the signal contacts.

Abstract: A contact module includes a dielectric holder holding signal contacts having mating portions extending forward of the dielectric holder. A shield structure is coupled to the dielectric holder providing electrical shielding for the signal contacts. The shield structure has first and second ground shields having corresponding mating portions extending forward of the mating end of the dielectric holder. The shield structure has ground blades extending between the first and second ground shields having mating portions extending forward of the mating end of the dielectric holder at least one of above or below the mating portions of the signal contacts. The ground blades electrically connect the mating portions of the first ground shield and the mating portions of the second ground shield immediately forward of the mating end of dielectric holder.

Abstract: A contact module includes a leadframe having signal contacts arranged in pairs. Each signal contact includes a lead having sides extending between inner and outer edges. The contact module includes a dielectric frame supporting the leadframe having a first side and a second side with windows extending through the dielectric frame between the first side and the second side. The windows exposing to air the sides, the inner edges and the outer edges of the corresponding leads along a majority of lengths of the leads. The contact module includes a shield structure having a first ground shield at the first side and a second ground shield at the second side to provide electrical shielding for the signal contacts.