Along with the AT connector series, Amphenol Sine brings you the AHD connector series. The circular AHD connector series was designed to fit with other industry standard products, allowing for flexibility of choice. Some of the key features of this family include: tactile verification for blind mating, no special tools required, lower overall cost, integrated keying system, thermoplastic housing, manual insertable/removable contacts, and -55°C to +125°C  operating temperature range.