The 901-144-2 is an SMA female PCB receptacle connector manufactured by Amphenol RF. It features gold plating per Amphenol specification 349-50560 and meets the interface requirements of Amphenol specification 349-50623. The connector utilizes lead-free solder dipped to within 0.025 inches of the body with a minimum solder thickness of 0.0003 inches per MIL-STD-202 Method 208. The assembly includes a contact (901-6833-GY), insulator (901-6843), and body (901-6842-2HO) with a 0.250-inch square footprint and 0.125-inch height. This connector is commonly used in RF and microwave applications requiring reliable PCB-mounted SMA connections with superior electrical performance and environmental protection.