connectorfamilies

Connector families are groups of interconnect components designed to mate with a common interface and to share mechanical and electrical characteristics. The term is used to describe sets of connectors produced by a manufacturer or across vendors that are intended to be interchangeable within a device, system, or product line. A family typically encompasses a range of positions, pitches, and mounting styles that support wire-to-board, board-to-board, or wire-to-wire connections and maintain consistent form factors.

Key features include pitch (for example, 0.5 mm to 2.54 mm in consumer parts), contact type and material, plating, current rating, and temperature range. They may be through-hole or surface-mount, include polarizing keys or latching mechanisms, and offer sealing or ruggedization as required. Mating cycles indicate durability; environmental specs cover temperature, humidity, and ingress protection. Some families are designed for high-speed data interfaces, while others prioritize power delivery or rugged automotive use.

Notable examples of connector families include JST XH and PH for signal and low-power applications, Molex KK and Mini-Fit Jr. for general purpose and power, TE Connectivity MicroMatch and MicroTimer for precision and automotive-grade needs, and high-speed families from Samtec and Amphenol. Automotive, aerospace, and industrial sectors often rely on specialized families with enhanced sealing, vibration resistance, and compliance to sector standards.

In product design and procurement, selecting a connector family helps standardize interfaces, simplify sourcing, and reduce redesign risk. Designers evaluate mating compatibility, footprint, cost, lead times, and regulatory compliance when choosing a family. The term is sometimes used interchangeably with 'connector series' depending on the manufacturer.