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: 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: 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: A header assembly includes a header housing having a header cavity. The header assembly includes header signal contacts received in corresponding signal contact channels having mating ends arranged in the header cavity for mating with the receptacle assembly. The header assembly includes header ground contacts received in corresponding ground contact channels. Each header ground contact includes shield walls forming a shield cavity receiving header signal contacts to provide electrical shielding for the header signal contacts. The shield walls include an end wall extending between first and second side walls. Each header ground contact includes a mating protrusion that extends outward relative to the shield cavity from the corresponding shield wall. The mating protrusion is configured to engage a conductive insert of the receptacle assembly used to electrically common each of the header ground contacts.

Abstract: A header assembly includes a header housing having a header cavity. The header assembly includes header signal contacts received in corresponding signal contact channels having mating ends arranged in the header cavity for mating with the receptacle assembly. The header assembly includes header ground contacts received in corresponding ground contact channels. Each header ground contact includes shield walls forming a shield cavity receiving header signal contacts to provide electrical shielding for the header signal contacts. The shield walls include an end wall extending between first and second side walls. Each header ground contact includes a mating protrusion that extends outward relative to the shield cavity from the corresponding shield wall. The mating protrusion is configured to engage a conductive insert of the receptacle assembly used to electrically common each of the header ground contacts.

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: An electrical connector includes a front housing having a front and a rear. The front housing is configured to hold signal contacts and has a cavity at the rear. The front is configured to be mated with the mating connector. A conductive insert is received in the cavity. The conductive insert includes end walls and cross walls extending between the end walls. The conductive insert includes channels between the cross walls configured to receive ground shields used to provide electrical shielding for the signal contacts. The cross walls are configured to be electrically coupled to the corresponding ground shields. The conductive insert is configured to electrically couple each of the ground shields.

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.

Abstract: An electrical connector includes a housing and a plurality of conductors held within the housing. The conductors are configured to electrically connect to mating conductors of a mating connector. The conductors each extend a length between a mating end and a mounting end of the respective conductor. One or more of the conductors include a copper alloy core, a copper plating layer, and a protective outer layer. The copper plating layer surrounds the copper alloy core, and is composed of a different material than the copper alloy core. The protective outer layer is disposed on and surrounds the copper plating layer. The protective outer layer is composed of a non-conductive polymeric material.