Super Miniature Underwater Connectors -- Micro Circular Sub-Miniature Series | IP68 | ROV AUV Sensors
Shanghai Kabel Intelligence Technology Co., Ltd supplies super miniature (sub-miniature) underwater connectors for applications where the standard Micro Circular connector diameter is too large. These ultra-compact wet-mateable connectors are designed for micro-ROV, micro-AUV, miniature oceanographic sensors, and compact scientific instruments operating in space-constrained underwater environments.
Rated to 7,000 m depth, IP68 sealed, with PEEK insulation and gold-plated contacts. SubConn Micro Series compatible.
Sub-Miniature vs Standard Micro Circular -- Size Comparison
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Feature
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Standard Micro Circular
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Super Miniature
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Housing outer diameter
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~25-35 mm (contact dependent)
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~12-18 mm
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Contact counts
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2-21
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2-6 (typical)
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Current per contact
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10 A
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3-5 A (reduced)
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Weight
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Standard
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30-50% lighter
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Depth rating
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7,000 m
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7,000 m
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IP rating
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IP68
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IP68
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Technical Specifications
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Series: Super Miniature / Sub-Miniature Micro Circular
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Contact counts: 2, 3, 4, 5, 6 (contact us for other counts)
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Depth rating: 7,000 m
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IP rating: IP68
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Voltage: 300 V AC/DC
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Current per contact: 3-5 A (application dependent)
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Shell: Titanium or hard-anodized aluminium
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Insulator: PEEK
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Contacts: Gold-plated copper alloy
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Sealing: Dual O-ring + face seal
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Hydrostatic test: 600 psig, certificate supplied
Where Super Miniature Connectors Are Required
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Micro-ROV systems: Sub-150 mm diameter vehicles where each gram and millimetre counts
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Miniature AUVs: Torpedo-body vehicles with 50-100 mm diameter pressure housings
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Compact oceanographic floats: Profiling floats (Argo type) and wave gliders
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Scientific instrument microsystems: Micro-CTD, micro-DO, and miniature pH sensors
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Underwater drones: Consumer and prosumer underwater camera drones
Applications
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Micro-ROV thruster and camera connectors
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Miniature AUV payload interface
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Compact oceanographic profiling floats
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Underwater scientific microsensor packages
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Miniature underwater lighting fixtures
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Marine biology research instruments
For quotation and technical support:
Email: sales@rovcable.com
Website: www.rovconnector.com | www.rovcable.com
Address: No.100 Yezhuang Road, Fengxian District, Shanghai, China 201415
Frequently Asked Questions
Are super miniature connectors compatible with standard MCBH/MCIL?
No. Super miniature connectors use a smaller contact and thread standard and do not mate with the standard Micro Circular (MCBH/MCIL) series. They are compatible with SubConn Micro Series connectors of the same contact count.
What is the minimum cable OD I can use with super miniature connectors?
Super miniature connectors typically accommodate cable ODs from 2.5 mm to 6 mm depending on the back-shell type. Contact our technical team with your cable specification for confirmation.
Can I get custom contact counts?
Contact counts beyond the standard range (2-6) are available as custom orders. Lead time is typically 4-6 weeks. Contact sales@rovcable.com with your requirements.
Applications
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ROV and AUV underwater vehicle systems requiring compact, reliable connectivity
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Subsea sensor instrumentation, oceanographic data acquisition platforms
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Underwater camera, video and LED lighting systems at varying depths
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Ocean bottom seismic systems and marine renewable energy installations
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Naval systems, diving equipment and offshore infrastructure monitoring
Customization Options
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Custom cable harness lengths, wire terminations and direct moulding services
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Alternative connector body materials: anodized aluminum, SS316, or titanium
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Certified hydrostatic pressure testing to customer-specified ocean depths
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Custom bulkhead thread lengths, O-ring configurations and locking sleeve options
