Abstract: An electrical connector assembly includes a pin header 10 that can be mounted in an opening 4 in an electrically conductive case 2. The pin header 10 includes a molded pin header housing 12 that can be used in unfiltered as well as filtered and shielded versions. The filtered and shielded versions include a ground shield 20 or 50 that includes segmented cantilever tangs 26 or 56 extending along peripheral edges of the shield member 20 or 50. These tangs 26 or 58 mechanically grip the electrically conductive case 2 to establish ground continuity. One version of the ground shield 20 can be mounted on a printed circuit board to which filter capacitors 40 are soldered.

Abstract: Electrical connectors (40, 104) including contact terminals that can be unmated without previously disconnecting power include main contacts (12, 112) and auxiliary contacts (16, 130) that are shunted by a positive temperature coefficient (PTC) resistor (6, 140) located between the main and auxiliary contact. The main contact (12, 112) will be disconnected first and the auxiliary contact (16, 130) can be longer than the main contact (12, 112). Arcing will not occur at the mating end of the main contact (12, 112), because the current will be shunted to the still connected longer auxiliary contact (16, 130). I2R heating will increase the resistance in the PTC resistor (6, 140), so when the auxiliary contact (16, 130) is disconnected, current will be below the arcing threshold.

Abstract: An electrical connector assembly includes a pin header 10 that can be mounted in an opening 4 in an electrically conductive case 2. The pin header 10 includes a molded pin header housing 12 that can be used in unfiltered as well as filtered and shielded versions. The filtered and shielded versions include a ground shield 20 or 50 that includes segmented cantilever tangs 26 or 56 extending along peripheral edges of the shield member 20 or 50. These tangs 26 or 58 mechanically grip the electrically conductive case 2 to establish ground continuity. One version of the ground shield 20 can be mounted on a printed circuit board to which filter capacitors 40 are soldered.

Abstract: Electrical connectors 40, 104 including contact terminals that can be unmated without previously disconnecting power include main contacts 12, 112 and auxiliary contacts 16, 130 that are shunted by a positive temperature coefficient (PTC) resistor 6, 140 located between the main and auxiliary contact. The main contact 12, 112 will be disconnected first and the auxiliary contact 16, 130 can be longer than the main contact 12, 112. Arcing will not occur at the mating end of the main contact 12, 112, because the current will be shunted to the still connected longer auxiliary contact 16, 130. I2R heating will increase the resistance in the PTC resistor 6, 140, so when the auxiliary contact 16, 130 is disconnected, current will be below the arcing threshold. Multiple latches 54A, B and 60A, B or 180 and 196 permit only discontinuous mating of electrical connectors, so that the connectors can be disconnected without arcing for a range of currents.

Abstract: An electrical connector assembly (1) having a housing (10) and a subassembly (80) connected thereto for eliminating circuit-degrading EMI. Subassembly (80) includes a substrate (20) mounted to a frame (30). Substrate (20) comprises a rigid board with circuit traces (25,26), electrical components (28), and a pin array (22) thereby defining an electrical circuit path. Frame (30) is electrically connected to the circuit path and comprises a robust, metallic piece having locking clips (36) for electrically and mechanically attaching subassembly (80) to housing (10).

Abstract: An input/output electrical connector header 102 includes at least two rows of terminal pins 140 which can be connected to two separate printed circuit boards 106 and 108. The same header 102 provides input and output for both printed circuit boards 106, 108. The terminal pins 140 in each of the rows extend through openings 130 in the same header housing wall 126. A separable interconnection is made between pins in a second terminal row and a second printed circuit board 108 at the rear of the header 102. This separate connection can be established by a separate multiposition connector 114, 214, 314 or 414 containing receptacle contacts 116, 216, 316, 416 respectively. In other embodiments, this separate connector 514, 614, 714 and 1214, includes the terminal pins in the second terminal row in the separate connector.