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Connectors • Circular Connectors

Circular connectors are round shaped connectors most commonly used in electronics applications.

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  • Sealcon LLC

    Sealcon LLC offers circular connections in a variety of configurations, including: M16 Signal Push-Pull, M23 Signal Stainless Steel, M23 RJ45 Industrial Ethernet, M23 Power, and M16 Signal. M16 Signal Push-Pull (straight/female thread) connectors come in sizes ranging from 0.08" to 0.35", they have operating temperatures ranging from -40 to 125°C, a panel-mounting/dual function configuration, and amp ratings ranging from 8 to 20A. Additional features include: EMI readiness, 28 AWG wire gauges, voltages ranging from 160 to 400 V, and IP67/69 pressure ratings. These connectors are constructed from gold plating, brass alloy, aluminum, and nickel-plated brass materials.

  • HiRel Connectors Inc

    HiRel Connectors, Inc. offers a variety of circular connectors, including: Mil-Spec, Micro & Micro D, Hermetic, Filtered, and Environmental. MIL-DTL-38999 Series connectors have operating temperatures ranging from -85 to +392°F, contact sizes ranging from 22D to 12, a continuous axial load range from 10 to 25 lbs, a minimum of 500 mating cycles, and DC test amperage ranging from 1.5 to 23. These connectors have a class C, K, W, and Y corrosion resistance that can withstand 500 hours of salt spray. They are fluid resistant to oils, coolants, solvents, and other fuels.

  • KeyWolf

    KeyWolf is a global supplier of electrical connectors to the medical, aerospace, racing and oil & gas industries among others. KeyWolf's ultra-compact, ultra-light metal circular connectors offer a high-performance, rugged solution for your application. Gold-plated copper alloy contacts and a corrosion resistant finish provide high reliability in harsh and extreme environments conditions.

  • Estco Enterprises

    Estco Enterprises offers circular connectors in signal, push-pull, and power configurations. Signal connectors have amp ratings ranging from 8 to 20, voltages ranging from 150 to 400, temperatures ranging from -40 to 257°F, and wire gauges ranging from 28 to 12 AWG. Push-pull connectors have a panel mounted/dual function, locking grooves, and can be easily connected/disconnected even under restricted working conditions. M23 Power connectors have contacts ranging from 2 to 6, amp ratings ranging from 8 to 28, voltages from 300 to 800, and wire gauge ranges from 24 to 12 AWG.

  • Positronic Industries Inc

    Positronic Industries, Inc. offers King Cobra, GH Series, and Front Runner circular connectors. King Cobra connectors have contact current ratings to 20 amps, right angle/straight PCB mount options, and environmental options to IP65. GH Series connectors have nominal contact current ratings to 7.5 amps, straight solder/solder cup terminations, a "twist spring" locking device, and solid machined contacts. Front Runner connectors have machined contacts from solid copper alloy, EMI/RFI shielding, electroless nickel-plating, and thermocouple contact options.

  • Air Electro, Inc.

    Air Electro, Inc. offers 8525 Series Hermetically Sealed and 8525 Series Aluminum Sealed circular connectors. 8525 Series Hermetically Sealed connectors have male contact types, large flange 02 H version backshell types, and the following shell types: jam nut receptacle, square flange receptacle, and solder fixing receptacle. 8525 Series Aluminum Sealed circular connectors come with #16 minicoax contacts, RFI shielding plugs, and it comes in environmental stainless steel versions upon request. Shell types offered include: plug, jam nut receptacle, square flange receptacle, and RFI shielded plug.

  • CDM Electronics, Inc.

    CDM Electronics, Inc. offers MIL-DTL-5015 Series III and MIL-DTL-26482 Series 2 Circular Connectors. MS3454 single hole mount receptacles features a threading coupling mechanism, a rear release contact retention system, 14 shell sizes, polarization by insert (per MIL-STD-1669), and multiple gauge crimp contacts (per MIL-C-39029). These connectors are constructed from a variety of materials, including: carbon steel, cadmium, aluminum, nickel, stainless steel, etc. MS3470 Narrow Flange Recepticles feature environment fluorosilicone elastomers, polarization by insert rotation (per MIL-STD-1669), a bayonet coupling mechanism, and a rear release contact retention system. These connectors are constructed from nickel, aluminum, and stainless steel materials.

  • March Electronics, Inc.

    March Electronics, Inc. offers Class L circular power connectors. These connectors have shell sizes ranging from 32 to 44, Amp ratings ranging from 60 to 100, a durable aluminum alloy construction, and cable/panel mounting options. They have MIL-DTL-22992 ratings, keyway positions ranging from normal to 150°, and socket/pin contact styles.

  • Amphenol Alden Products Co.

    Amphenol Alden Products Co. offers Pulse-Lok auto-coupling circular connectors in a variety of configurations, including: plastic shell, metal shell, field-installable, medical disposable, medical reusable, auto-terminating, plated plastic, etc. These connectors are IP67 rated, waterproof, impact resistant, EMI/RFI shielded, etc. They have up to 78 poles, multiple contact terminations, up to 14 standard color configurations, they are flex/strain/impulse resistant, etc.

  • AMETEK HCC Industries

    AMETEK HCC Industries offers circular connectors for the aerospace and defense industries. Rugged Gigabit Ethernet circular connectors are available in MIL-C-24321 and D389999 configurations. They are ETL certified to CAT 6 and TIA/EIA 568 CAT 5E. HSC Series MIL-C-19572 connectors have contact sizes ranging from 16 to 20, Amps ranging from 7.5 to 17, a maximum drop potential of 0.020 V, and up to 675 pressures equivalent to 50,000 ft.

  • MS Electronix, Inc.

    MS Electronix, Inc. offers commercial circular connectors in a variety of sizes and configurations. DM-Deutsch connectors have P-pin, and S-socket contact styles. These connectors have contacts ranging from 3 to 25, insert arrangements ranging from 3 to 61, and the following polarizations: N, W, X, Y, B, and C.

  • Connectronics

    Connectronics offers specialized circular interconnectors for a variety of applications, including nuclear, X-ray/laser equipment, hermetically sealed interconnects, thermocouple, space environment, and nuclear. These connectors have high currents to 1000 Amperes, high temperatures to +250°C, and high and/or low voltage options. X-Ray and Laser Equipment interconnectors can operate up to 100,000 volts, and come in coaxial and triaxal designs available for laser applications.

  • Powertech Controls

    Powertech Controls offers HARAX circular connectors. These connectors have contact ranges from 3 to 4, male and female insert types, and wire gauges from 0.14 to 0.75 mm2.

  • Sabritec

    Sabritec offers their HDMC series of high density miniature circular connectors. These products offer the performance of a MIL-DTL-38999 connector in a smaller size (size 23 crimp removable contacts, size 12 high frequency coax (MDHC) contacts, size 10 high speed twinax).

  • Snecma

    Snecma Group are designers and producers of circular connectors, including glass-sinter sealed, autosport, microminiature, microminature quick lock, and DO22 and DO23 types.

  • Northern Connectors

    Northern Connectors offers circular connectors from Binder, GTK, Hirschmann, and Hummel. Types available include bayonet industrial (690 series), M12 A-coded (713, 763), M12 B-coded (715, 766), M12 D-coded (825, 876), IP40 miniature, IP67 miniature, M25 industrial, M8 sensor, M9 IP40 sub-mini, and many, many others.

  • Milnec Interconnect Systems

    Milnec multi-pin circular connectors are built to strict mil-spec specifications. Choose from a wide variety of ruggedized, electronic circular connectors, including D38999, 26482, 5015, and 22992 styles.