Circular Connectors - Adapters definition: A circular connector is a cylindrical, multi-pin electrical connector that contains contacts that power electrical devices, transmit data, o... Circular Connectors - Adapters Product Listing: TXR3220TM,TXR1610M.Connectors, Interconnects type:Circular Connectors(4568089),Barrel - Audio Connectors(714841),Rectangular Connectors - Headers, Male Pins(577481),Card Edge Connectors - Edgeboard Connectors(554593),D-Sub Connectors(513416) .Circular Connectors - Adapters has 2 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Twicea.