...

Product Series

(100% SubConn、Seacon and Burton Compatible)

Micro 16-21 Core Watertight Connector

Request a quote for: Micro 16-21 Core Watertight Connector

Get your non-binding quote today and see how we can help.

(Click on the image to enlarge)

1. Drawing information

Dimensions in mm (1 mm = 0.03937 inch)
Threads in inches (1 inch = 25.4 mm)

2. Male View

3. Main parameters

Electrical ParametersNumber of PinsRated CurrentMicro Male CableMicro Female CableMicro Male ReceptacleMicro Female ReceptacleMicro Oilfield Male ReceptacleMicro Oil field Female ReceptacleMicro Male PlugMicro Female PlugCable Wiring Sequence
16-Pin16-Pin5AMCIL16MMCIL16FMCBH16MMCBH16FMCPBOF16MMCPBOF16FMCD16MMCD16F1:Red, 2:Red/White, 3:Black, 4:Black/White, 5:Yellow, 6:Yellow/White, 7:Blue, 8:Blue/White, 9:Orange, 10:Orange/White, 11:Brown, 12:Brown/White, 13:Purple, 14:Purple/White, 15:Green, 16:Green/White
21-Pin21-Pin5AMCIL21MMCIL21FMCBH21MMCBH21FMCPBOF21MMCPBOF21FMCDC21MMCDC21F1:Red, 2:Red/White, 3:Black, 4:Black/White, 5:Yellow, 6:Yellow/White, 7:Blue, 8:Blue/White, 9:Orange, 10:Orange/White, 11:Brown, 12:Brown/White, 13:Purple, 14:Purple/White, 15:Green, 16:Green/White, 17:Pink, 18:Pink/White, 19:Light Blue, 20:Light Blue/White, 21:Grey
Notes: Installation Requirements: All dimensions are in mm. Base mounting radius: 21.9 mm; surface roughness: Ra1.6; mounting thread: 5/8-18UNF-2A; thread length: 19 mm.
Note: Locking nuts are included with the connectors according to their specifications and do not require separate ordering. Standard material: POM; optional material: 316L stainless steel.

4. Product Description

Micro 16-21 Core Watertight Connectors

Product Overview & Series Introduction

The Micro 16-21 Core Watertight Connectors series by HYSF Subsea (Xiamen Chuida Technology Co., Ltd.) establishes the global industry standard for high-density, miniature wet-mateable signal and power distribution systems. Engineered specifically for long-term submersion in high-pressure deep-sea and maritime environments, this deep-sea rubber series provides uncompromised multi-channel electrical connectivity for advanced underwater instrumentation. Developed as a result of dedicated core technology R&D, our ultra-dense micro interconnect architecture breaks the long-standing monopoly of international brands, serving as a premium domestic substitution for imported core marine products.

Every configuration in this series is manufactured through an advanced unibody High-Temperature Vulcanization (HTV) process, integrally forming gold-plated copper contacts within heavy-duty neoprene rubber bodies to ensure optimal conductivity and robust environmental sealing. To optimize spacing layout efficiency on high-density data hulls, compact equipment enclosures, and space-constrained subsea vehicles, the standard series provides comprehensive physical form factors:

  • Cable Solutions: Ultra-flexible Micro Male/Female multi-core inline cable assemblies (MCIL16M to MCIL21F) and space-saving, low-profile right-angled L-shaped variants (MCILRA16M to MCILRA21F)[cite: 1].
  • Bulkhead Feedthrough Receptacles: Premium compact threaded receptacles (MCBH16M to MCBH21F) designed for tight-tolerance, stable enclosure penetration[cite: 1]. The receptacle shells are precision-machined from elite marine metals—including 316L Stainless Steel, Titanium Alloy, or Naval Brass—paired with specialized fluororubber O-rings to maintain absolute pressure integrity[cite: 1].
  • System Infrastructure Accessories: Oilfield-hardened pressure-balanced assemblies (MCPBOF16M to MCPBOF21F) for deep-water hydraulic balance, alongside protective dummy sealing plugs (MCDC16M to MCDC21F) to isolate and shield inactive electrical lines[cite: 1].

Key Technical Specifications & Core Features

  • 100% Brand Interchangeability: Meticulously engineered with standard international interface profiles and pitch dimensions, providing full mating compatibility and direct interchangeability with leading global brands such as SubConn and Seacon, minimizing international spare parts inventory and cross-brand operational friction[cite: 1].
  • Wet-Mateable Capability: Features tight-tolerance rubber sealing lips that successfully wipe away moisture during mating cycles, enabling safe underwater connecting and disconnecting operations while fully submerged or exposed in harsh marine splash-zones[cite: 1].
  • Deep-Sea Pressure Rating: Rated for standard operational hydrostatic pressures up to 60MPa, guaranteeing absolute zero-leakage security and material integrity at extreme diving depths reaching 6,000 meters[cite: 1].
  • High-Density Electrical Parameters: Safely distributes steady multi-channel signals and power loops with a rated current of 5A per pin under an operational voltage of 550V AC/DC[cite: 1]. Backed by an insulation resistance rating of ≥200MΩ @ 1000V DC and low contact resistance ($<0.01\Omega$)[cite: 1].
  • Extreme Structural Endurance: Certified for a broad mechanical mating life exceeding 500 cycles within a brutal operating temperature envelope stretching from -60°C up to +80°C[cite: 1].

Industrial Applications & Working Conditions

The Micro 16-21 Core Subsea Rubber Series is uniquely designed to support synchronous multi-channel data streaming and power routing under high-vibration, deep-water hydrostatic loads, intense salt spray corrosion, and severe ultraviolet (UV) aging conditions[cite: 1]. Critical deployment sectors include:

1. Multi-Channel Marine Robotic Systems (ROVs & AUVs)

Acts as the main high-density telemetry and sensor breakout interface for portable, small-to-medium Remotely Operated Vehicles (ROVs), Autonomous Underwater Vehicles (AUVs), and submersibles[cite: 1]. The ultra-high pin count (16 to 21 cores) permits consolidated routing of thruster control loops, robotic commands, and multi-sensor data streams through a single minimal hull opening, preserving vehicle buoyancy and space efficiency[cite: 1].

2. Advanced Sonar Platforms & Hydrophone Arrays

Serves as the mission-critical communication backbone for underwater acoustic detection equipment, hydrophone networks, and seabed seismic monitoring arrays[cite: 1]. The high insulation threshold and low contact resistance prevent signal cross-talk and transmission attenuation, ensuring pristine data integrity across dozens of parallel data lines[cite: 1].

3. Integrated Underwater Video & Illuminated Sensor Packages

Deploys seamlessly across integrated underwater network camera and lighting assemblies[cite: 1]. The high core density allows engineers to combine mixed lines through one connector, powering high-brightness LED searchlights while simultaneously driving high-definition digital video signals back to central pressure command hulls[cite: 1].

4. Offshore Energy, Drilling, & Seabed Networks

Utilized extensively in offshore wind farm sub-stations, tidal energy arrays, subsea oil drilling manifolds, and national marine defense systems[cite: 1]. The tough neoprene molding resists biofouling and marine growth, and easily handles severe mechanical shock and high tensile forces common during heavy-sea deployment and recovery operations[cite: 1].

Frequently Asked Questions (FAQ)

Q1: Are HYSF Micro 16-21 Core watertight connectors fully compatible with my existing subsea equipment?

A: Yes, completely[cite: 1]. Our Micro Subsea Rubber Series is precision-machined to fully match the standard mechanical tolerance profiles, mechanical dimensions, pitch spacing, and electrical specifications of leading international standards like SubConn and Seacon[cite: 1]. This full compatibility allows you to plug an HYSF micro inline cable directly into existing international bulkhead receptacles with zero cross-brand compatibility issues, drastically lowering retrofitting costs[cite: 1].

Q2: What rigorous quality assurance testing do these high-density micro connectors undergo before delivery?

A: Quality control is our core foundation, ensuring a proven 99.98% product reliability rate[cite: 1]. Every single batch undergoes a strict, standardized factory verification process using calibrated testing equipment[cite: 1]:

  • Hydrostatic Pressure Testing: Tested inside our specialized 100MPa high-pressure pump system for 60 minutes to verify zero structural leakage and zero deformation at a simulated diving depth of 6,000m[cite: 1].
  • Dielectric Withstand Test (Hipot): 2000V DC is applied between individual pins and between pins and the metal shell for 1 minute to confirm that leakage current stays safely below 10mA[cite: 1].
  • Insulation Resistance (IR) Test: Verified using a 15kV insulation tester to guarantee material and sealing properties exceed ≥200MΩ @ 1000V DC[cite: 1].
  • Dynamic Continuity Test: Monitored under real-time resistance meters while undergoing a vigorous manual shake test on the cable and joint to ensure uninterrupted signal stability under severe marine vibrations[cite: 1].

Q3: How are the internal wires color-coded inside the high-density Micro 16 and 21-pin cable assemblies?

A: Our high-density lines follow a highly structured standard wiring sequence to ensure error-free technical order matching and field connection[cite: 1]. For instance, the Micro 16-Pin layout coordinates distinct colored pairs mixed with white indicators (e.g., Red/White, Black/White, Yellow/White)[cite: 1]. The Micro 21-Pin configuration expands this sequence to incorporate specialized colors like Pink, Pink/White, Light Blue, Light Blue/White, and Grey to group high-density data channels safely and eliminate signal crosstalk[cite: 1].

Q4: What base metal options can be specified for the micro bulkhead receptacle shells?

A: Standard stock configurations feature premium high-temperature vulcanized neoprene rubber molded over 316L Stainless Steel, which provides excellent overall mechanical strength and rust resistance[cite: 1]. For specialized or customized engineering projects, we provide high-precision custom machining in Titanium Alloy (ideal for strict weight-saving limitations and ultra-deep submersibles) and Naval Brass / Marine Bronze (highly recommended for shallow-water aquaculture due to natural anti-biofouling properties)[cite: 1].

Q5: What corporate certifications guarantee the manufacturing quality of HYSF subsea products?

A: HYSF operates under a nationally accredited quality architecture as a certified Technology Enterprise holding over ten national patents[cite: 1]. Our production and facility architectures are fully compliant with the ISO 9001 Quality Management System[cite: 1]. Furthermore, to serve high-end marine defense contractors, national shipyards, and top-tier research academies, our manufacturing strictly adheres to the strict GJB 9001C-2017 National Quality Standard, delivering rugged, mission-critical deployment durability[cite: 1].

Contact

Jason Liu

Chief Technical Officer

HYSF Subsea

Proven Solutions in the Field

A showcase of our successful collaborations with global marine robotics, energy, and research partners. Every project reflects our commitment to zero-leak integrity and operational reliability.

Start Your Subsea Project with HYSF

Whether you need a quick quote for standard connectors or a complex custom cable assembly, our engineering team is ready to assist. Expect a technical response within 12 hours.

John Zhang

CEO

Jason Liu
Kevin Wang
Cindy Chen
Lily Li
Contact Form Demo
页眉表单