This week’s product roundup highlights some of the latest, greatest, most reliable, robust, and multifunctional circular connectors available on today’s market.
Circular Connector Product Roundup
Radiall‘s Q-MTitan™ is a ruggedized and reliable high-density fiber optic connector designed to simultaneously increase bandwidth and help engineers optimize size, weight, and cost in harsh-environment aerospace and defense applications. The contacts incorporate and protect an MT ferrule, providing sealed optical connections on round cables, and can easily retrofit the existing Size 8 Quadrax cavities of most multi-pin connectors, including MIL-DTL-38999 Series III, for 12 or 24 fiber optic channels capable of large bitrate transmissions up to 12x10Gb/s. The series is also compatible with ribbon fiber, can withstand high temperatures and vibration levels, and offers user-friendly insertion and extraction and convenient visual inspections.
ERNI’s rugged M12 X-Code Gigabit Ethernet (GbE) connectors facilitate reliable high-speed data transfer in 10GbE industrial data communications applications, including IP cameras, public transport and railway infrastructure, broadcasting systems, industrial machinery and process equipment, and automated packaging and encoder solutions. The eight-pin connectors are compatible with RJ45 network cabling, feature an X-coded interface per IEC 61076-2-109, and exhibit attractive EMC characteristics supported by 360° shielding, as well as shield-to-PCB and shield-to-panel conductor features. The IP65/67-rated series can also withstand a test voltage of at least 1.5kVAC, per IEEE requirements, and has a clearance and creepage distance of at least 1.6mm. The female PCB connector and screw-locking panel mount coupler form a two-part, rugged I/O system with space-saving capabilities and a proven SMT termination design, and are compatible with automatic assembly.
Hirose’s HR30 Series circular plastic power connectors are small, lightweight, low-profile, and corrosion-resistant, and deliver extreme reliability in harsh outdoor and industrial applications, including: LED lighting, street lamps, base transceiver systems, servo motors, ship GPS, test and measurement equipment, and linear scales. Featuring an innovative cable clamping method that simplifies field assembly, a patented push-and-pull sleeve locking mechanism, and a unique IP68-rated waterproof gasket that prevents water intrusion at depths up to 2m for up to 14 days, the series is available with 3, 6, 10, and 12 positions rated for up to 100VAC, 140VDC, and 5A, depending on the number of positions, as well as in plug, receptacle, and jack-and-cap versions, the latter of which is compatible with overmolding processes.
BTC Electronics builds circular D38999 Series III connectors from Conesys/Aero Electric to spec from stock. Used in high-performance military and commercial aircraft, missiles, communication equipment, and much more, the series features a one-turn coupling system with self-locking acme thread on the RFI grounding plug for durability, thick wall sections and a large coupling surface area for strength and shock resistance, firewall capabilities, a scoop-proof design, and superior contact stability. Wall-mount and jam nut receptacles are available, as are a range of finishes and shell materials, including: anodic, zinc cobalt, aluminum, electroless nickel, olive drab cadmium.
Fischer Connectors’ MiniMax™ Series miniature, circular, ultra-dense mixed signal and power connectors offer up to 75% weight savings and 45% space savings compared to standard connectors with a similar contact size. Rated for up to 5,000 mating cycles and tested for high-speed protocols including: USB 3.0, HDMI, and data transfer up to 10Gb/s, the series is ideal for rugged, space-constrained applications, including: handheld and body-worn military equipment, instrumentation and test equipment, and unmanned vehicles. It’s currently available in two sizes, 06 and 08, with respective 10mm- and 12mm-footprint receptacles; three locking systems: push-pull, screw, and quick-release; and 4–24 contacts. It can also be sealed to IP68 and delivered pre-cabled.
Nicomatic‘s OMM Micro-Circular Connectors are small and lightweight, meet or exceed MIL-DTL-55302F performance specifications, offer up to 50% space and weight savings compared to the comparable and very popular CMM Series, and are rated for up to 2,500 mating cycles and temperatures ranging from -60°C to +260°C. Ideal for board-to-cable connections in space-constrained, harsh-environment applications across marketing including: aerospace, defense, avionics, UAV, civil security, robotics, and telecom/datacom, the modular series is available with between 1–8 removable, gold-plated LF signal contacts, each capable of up to 3A, for ease of maintenance; a central captive screw for secure connections and easy assembly and disassembly; and pre-wired, SMT, and straight-tail signal terminations capable of accommodating various PCB thicknesses or AWG 22 and 24–28. Custom configuration options include: six- and 10-position housings, shielding, gaskets, and backpotting.
AirBorn’s Series 360™ Connectors are small, lightweight, watertight, and supremely rugged and reliable. Ideal for military and security technologies, including: next-generation soldier communication systems, radar, avionics, embedded computers, navigation modules, handheld devices, GPS antennas, night-vision equipment, unmanned systems, and land vehicles, the spring-loaded contact series offers excellent EMI shielding, push-pull locking or Quick-DeMate™ functionality, optimized mechanical and color keying, IP68 or IP69 protection, and robust resistance against shock and vibration. Configurations include board- and panel-mount connectors, cable assemblies, and flex-circuit assemblies, and quick-clean and high-speed versions up to 10Gb/s.
Smiths Interconnect’s M12 Connector Series features a compact, robust design with common housings that incorporate 3–8 high-performance hyperboloid contacts, a unique and user-friendly side-loading contact retention system that simplifies and shortens the assembly process, and both crimp and solder contact terminations. It also offers outstanding protection against electromagnetic interference via a full 360° screen connection. Designed for applications in which space and weight are at a premium, the series is ideal for: communication applications, factory automation, drive motors, machine tools, robots, conveyor systems, handling machines, and elevators.
Samtec’s AccliMate™ Bayonet Sealed Circulars, sold as the ACP and ACR Series, are configured based on power delivery direction for optimum performance, deliver outstanding design flexibility, and meet IP68 requirements for dustproof and waterproof sealing. Ideal for use in industrial, outdoor, underwater, and other harsh environment applications, the series offer various combinations and configurations of signal, power, and RF contacts; three standard shell sizes: 12, 16, and 22mm, with metal or plastic housings; and four keyed bayonet-style latches that ensure proper mating and enable quick assembly and disassembly. Panel receptacles can be terminated with a variety of connectors or supplied with blunt-cut cable or solder cups for field termination, and field termination kits are also available.
TE Connectivity’s high-density DEUTSCH 983 Series Hermetic Connectors deliver robust resistance against extreme vibrations and temperatures up to 260°C in high-reliability, severe-environment aircraft applications, including: engines, boosters, landing gear, auxiliary power units, and wings, and, for the aluminum vs. stainless steel version, areas like cargo compartments. Available in application-matched sealed or hermetic aluminum or stainless steel EN2997-qualified versions with a wide range of accessories, as well as a MIL-DTL-38999 Series III version, with which they’re fully intermateable, the series also features self-locking and anti-rotation capabilities and fireproof contacts. Additional qualifications include: Aerospace Defense and Security (ADS), ESC10, Boeing BACC63, and Airbus ABS.
Amphenol Pcd’s Pegasus Series circular connectors are small, lightweight, and rugged. Ideally suited for space- and weight-constrained, harsh-environment applications that require protection from ambient or emitted noise, including: aviation and vehicle actuators, missile guidance and control systems, avionics sensors, UAV control systems, and USB, CAT 5/6, VGA, and video communications links, the series offers excellent EMI shielding via electroless copper and nickel plating combined with a copper alloy spring finger gasket for shell-to-shell conductivity, a quarter-turn bayonet-style connection for easy and efficient wire installation and maintenance, interfacial and triple-barrier seals for IP-67 protection, blind-mate keying, and scoop-proof contacts. Available in a wide variety of sizes, colors, and configurations, the series exhibits high contact retention force over its operating lifecycle and between 40dB and 60dB attenuation, depending on frequency.
Phoenix Contact’s circular M40 Hybrid Connectors quickly, safely, and reliably transfer signals, data, and power in rugged drive technology and daisy chain applications. Suitable for currents up to 70A, data transmissions of up to 100Mb/s, and temperatures spanning -40°C to +125°C, the series features a pin connector pattern with a PE contact, four power contacts, four signal contacts, and four data contacts; separate AC and DC codings to prevent mismating; a fully shielded (360°) data interface; and IP68/69K protection. Configurations include cable and coupler connectors, as well as straight and angled device connectors, and the angled connector can be rotated up to 310° for the perfect cable outlet.
LEMO’s Anlissimo™ adjustable, right-angle, push-pull connectors feature a clean design to prevent cable snagging space-constrained applications and reduce operating failures caused by stressed cables. The eight-in-one plugs can be securely oriented in one of eight positions during assembly, and allow users to select the best cable outlet for their application, even after the soldering process. Available with 2–32 contacts, various keying options, nine color codings, and solder or crimp terminations, the series offers IP50 protection, accommodates cables ranging from 1mm to 9.9mm in diameter, and is rated for temperatures spanning -55°C to 250°C.
Mouser Electronics offers Amphe-Lite™ Gray ZnNi Metal Connectors from Amphenol Industrial. Available with high-density signal, power, coax, fiber optic, and Combo-C combination inserts, these circular, Commercial 38999 Series III connectors are rugged enough to withstand severe shock, vibration, and temperatures, but cost-effective enough for use in general duty applications across the communications, manufacturing process control, and medical markets. The series features corrosion-resistant, composite, Gray-ZnNi-plated shells proven to withstand 500 hours of salt spray, interfacial seals for robust protection against moisture ingress and contact corrosion, and a shoulder-to-shoulder coupling design, grounding fingers, and electroless nickel plating for superior EMI shielding capabilities. Available in wall-mount receptacle, jam-nut receptacle, and straight plug configurations and conductive, nonconductive, and 100% non-magnetic versions, the series also features five key-way polarization for five alternate rotations, a 100% scoop-proof design, locksmith keying, a self-locking feature, and quick-disconnect-threaded, metal-to-metal coupling.
JONHON’s new J599E8 optical expander connector is designed to increase the environmental performance and reliability of the J599A8 optical connectors its structure is based upon. Ideal for use in demanding military, aerospace, defense, and commercial aviation applications, the new series boosts mechanical endurance from 500 to up to 2,000 mating cycles, offers high resistance to dirt and vibration, and enables high-reliability, non-contact optical transmission between terminals up to 5mm away to protect the terminal surface and enhance reliability. Eight housing sizes respectively matched to between two and 32 channels are currently available.
CONEC’s new SuperCon® Series hybrid power and signal connectors reduce both the time and cost associated with cabling, installation, and maintenance by enabling decentralized wiring chains with or without daisy-chain topology in applications including motors, servo drives, and linear units and drives. Currently available in three application-optimized sizes: B12, B17, and B23, with a variety of pin-counts, permitted voltages, and sockets for front- and back-panel mounting, the rugged, IP67-rated series features a bayonet locking mechanism for safe, secure connections; a fully shielded (360°) data core designed for AWG22 industrial Ethernet CAT 5 cabling; and a minimum of two different codings per pin layout, each marked by color-coded rings to prevent mismating.
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