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Circular Connectors

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About Circular Connectors

Circular connectors are used primarily for external interfacing. Typical applications include measuring equipment, industrial sensors, industrial equipment and machines, computers and peripherals, medical equipment, and audio and video equipment. Military style connectors are not included in this product area.  A connector will either be male type (with pins) or female type (with sockets).  A male connector includes pins that plug into a socket or similar receptacle.  A female connector consists of sockets that are aligned to mesh with a pin-type connector. Features common to circular connectors include coupling or adapters, cryogenic use, environment restraint, gold plated contacts, hermetically sealed, insulated body, locking nut, underwater use, washdown capable and weatherproof.

Important parameters to consider when specifying circular connectors include the number of contacts or number of conductive elements in a connector, which mate, with a corresponding element to provide an electrical path.  An electrical contact is the termination of an electrical wire in the connector's pin or socket.  Contact size, also referred to as "Termination Size," is the maximum diameter wire the connector can accommodate.  Wire size is measured according to the American Wire Gauge (AWG) standard. In North America, wire area is measured by the American Wire Gauge (AWG) to indicate conductor size. The AWG is used to measure certain conductors including copper. The higher the AWG number the thinner the wire. This is because AWG stems from a measurement that represented the number of times the copper wire was run through a wire machine, which reduced the diameter of the wire. Thus 24-gauge wire went through the machine 6 more times than 18-gauge wire.  Mounting options for circular connectors include PC board mount or flange or panel mount.  Termination options include insulation displacement, solder cup or solder, PCB solder, wire wrap, tabs, screws, lugs, and crimp. 

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Products & Services Related to Circular Connectors

Coaxial Connectors
Coaxial connectors are composed of an insulated central conducting wire wrapped in another cylindrical conductor (the shield). The cable is usually wrapped in another insulating layer and an outer protective layer. Coaxial cables and connectors have the capacity to carry vast quantities of information. They are typically used in high-speed data and CATV applications.
Edge Card Connectors
Edge card connectors are edge-on connectors designed for single-sided or double-sided printed circuit boards (PCBs).
Gender Changers
Gender changers are devices that change the end of a cable into another type, allowing two cable assemblies with the same or different genders to mate.
Heavy Duty Rectangular Connectors
Heavy duty rectangular connectors are designed to accommodate large electrical loads and direct signals under a multitude of operating conditions.
Military (MIL-SPEC) Connectors
Military (MIL-SPEC) connectors are built in accordance with military specifications. Their design takes into account the need to protect the connection from environmental factors, allowing them to be used in military and aerospace applications. 
Modular Connectors and RJ Connectors
Modular connectors and RJ connectors are plug-in units used in many networking and telecommunications applications. Registered jack (RJ) connectors are a type of modular connector, which often have protective capabilities such as integrated filters to protect against unwanted signals or some type of magnetics to provide filtering, signal conditioning, and isolation.
USB Connectors
USB connectors are used with universal serial bus (USB) ports. They can be used to connect USB products together, or to connect USB wires and peripherals to other standard port types.

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Engineering Web: Circular Connectors

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Sabritec | Engineered Interconnect System Solutions
High Power Connectors High Density Mini Circular
See Sabritec, Inc. Profile & Catalog
Molex | Connectors, Interconnects and Cable Assemblies
Connectors Wire-to-Board Overview Part Search -PCB Headers Part Search -IDT Connectors Part Search -Ribbon Cable/Wire Trap
See Molex Profile & Catalog
Fischer Connectors | Circular Connector - Push-Pull Connector
Using state of the art technology, we are a leading company in the design and development of high-performance circular push-pull connectors.
See Fischer Connectors, Inc. Profile & Catalog
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Part Numbers for Circular Connectors

Part # Distributor Manufacturer Product Category Description
HR22-12TPD-20S(73) Digi-Key Hirose Electric Co Ltd Connectors, Interconnects CONN PLUG 20POS FEMALE SOLDER
HR22-12TJD-20PC(73) Digi-Key Hirose Electric Co Ltd Connectors, Interconnects CONN JACK 20POS MALE CRIMP
HR212-10LP-8P(71) Digi-Key Hirose Electric Co Ltd Connectors, Interconnects CONN PLUG 8POS RT ANG SOLDER TIN
HR212-10P-8P(73) Digi-Key Hirose Electric Co Ltd Connectors, Interconnects CONN PLUG 8POS VERT SOLDER GOLD
HR212-10R-5SDL(71) Digi-Key Hirose Electric Co Ltd Connectors, Interconnects CONN RECEPT 5POS RT ANG TIN BLK

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