（100% SubConn、Seacon and Burton Compatible）
Get your non-binding quote today and see how we can help.
（Click on the image to enlarge）
Dimensions in mm (1 mm = 0.03937 inch)
Threads in inches (1 inch = 25.4 mm)
| Technical Parameters | Number of Pins | 2-Fiber | 2-Fiber 2-Power | 3-Fiber | 4-Fiber |
| Rated Current | / | 13A | / | / | |
| Fiber Type | SM (Single Mode) / MM (Multimode) | ||||
| Insertion Loss | ≤ 1DB(per connector pair) | ||||
| Ordering Codes | Flange Receptacle | SF33M-2S-FL | SF33M-2S2T-FL | SF33M-3S-FL | SF33M-4S-FL |
| Threaded Receptacle | SF33M-2S-TS | SF33M-2S2T-TS | SF33M-3S-TS | SF33M-4S-TS | |
| Plug | SF33M-2S-P | SF33M-2S2T-P | SF33M-3S-P | SF33M-4S-P | |
| Notes | Installation Requirements: All dimensions in the drawing are in mm. The receptacle is fitted with a 0.5m pigtail as standard. The bending radius of the receptacle cable shall be no less than 30D. Common optional fiber connector types include FC/UPC, LC/UPC, ST/UPC and SC/UPC. Supplied additionally with fluororubber O-ring, male protective cap and female protective cap. | ||||
The SF33M Series Optoelectronic Watertight Connectors by HYSF Subsea (Xiamen Chuida Technology Co., Ltd.) represents our premium, metal-shell hybrid interconnect system engineered specifically for synchronous high-speed optical communications and rugged power transmission in the most demanding deep-sea environments. As a nationally accredited high-tech enterprise driven by independent technical innovation, HYSF developed this specialized multi-core series to successfully overcome the physical limitations of traditional all-electrical subsea plugs, delivering an elite domestic substitution for core imported electro-optical subsea parts and breaking long-standing international brand monopolies.
Every connector configuration in the SF33M series features premium, precision-machined metal mechanical structures and sophisticated multi-sealing technology built to provide rigid physical protection and enduring resistance to harsh underwater conditions. By integrating precision-machined metal housings and sophisticated optical coupling structures, this hybrid series ensures stable, real-time data rates without latency, completely solving the technical challenges of signal attenuation and electromagnetic interference (EMI) typical in long-distance, high-bandwidth transmission loops. To achieve flawless, long-distance signal routing across high-bandwidth instrument enclosures, deep-sea networks, and subsea vehicle frames, the series offers complete physical component sets, including[cite: 1]:
The SF33M Series Hybrid Optoelectronic Subsea Line is uniquely tailored to resolve extreme data-rate transmission limits under high-vibration, deep-water hydrostatic loads, high-salinity corrosive salt sprays, and intense underwater working conditions[cite: 1]. Critical application deployment sectors include:
Acts as the core high-speed data telemetry backbone and primary power breakout interface for heavy work-class Remotely Operated Vehicles (ROVs) and Autonomous Underwater Vehicles (AUVs)[cite: 1]. It passes large-capacity multi-beam sonar signals, HD video feeds, and real-time computing commands back to surface command ships without data cross-talk or latency[cite: 1].
Extensively deployed as key physical transmission nodes for modern seabed Internet of Things (IoT) frameworks, hydrophone arrays, acoustic detection hubs, and seabed seismic monitoring networks[cite: 1]. The optical fiber coupling provides complete insulation from surrounding high-voltage electrical fields, keeping highly sensitive scientific environmental data pristine[cite: 1].
Serves as the mission-critical connectivity backbone for deep-sea visual operations, connecting ultra-high-definition underwater network cameras, diving monitoring boxes, and integrated light-and-camera housings[cite: 1]. The unibody molded metal joint safely handles massive mechanical shocks and ocean current displacements common during heavy-sea deployment and recovery cycles[cite: 1].
Utilized across high-pressure sealed junction boxes, marine defense weapon platforms, offshore wind farm sub-stations, and seabed oilfield drilling systems[cite: 1]. The rigid protection of the heavy-duty metal housing prevents catastrophic cross-cabin flooding, guaranteeing safe power and data pathways across multi-year maritime load cycles[cite: 1].
A: Traditional subsea electrical lines experience rapid signal attenuation, data distortion, and serious electromagnetic interference when transmitting high-bandwidth datasets over long distances[cite: 1]. The HYSF SF33M series integrates precision high-speed fiber communication elements with heavy-duty metal housing architectures, allowing real-time, zero-latency transmission of massive telemetry data (such as HD video and multi-beam sonar matrices) with an exceptionally low insertion loss of less than 1dB per pair[cite: 1].
A: Product reliability in extreme environments is our core foundation, ensuring a proven 99.98% product reliability rate[cite: 1]. Every single production batch undergoes severe pre-shipment verification inside our standardized inspection architecture before factory delivery[cite: 1]:
A: To accommodate varying operational environments, depths, and client structural requirements, our rigid metal housings are custom-machined from top-tier marine metals integrally formed with premium neoprene rubber[cite: 1]. Our standard stock features 316L Stainless Steel for excellent overall mechanical strength and rust resistance[cite: 1]. For specialized engineering projects with strict weight boundaries, Titanium Alloy is recommended (ideal for strict weight-saving limitations and ultra-deep submersibles), while Naval Brass / Marine Bronze is highly suggested for shallow aquaculture due to its natural anti-biofouling performance[cite: 1].
A: Yes, absolutely[cite: 1]. This hybrid series features dependable wet-mateable technology engineered for reliable underwater mating and unmating cycles[cite: 1]. The neoprene rubber bodies are designed with tight-tolerance wiping lips that physically displace moisture away from the contact interfaces during coupling, ensuring that the connection safely isolates the electrical and high-frequency optical paths without risking an electrical short circuit[cite: 1].
A: HYSF operates under a strictly standardized quality architecture as a certified Technology Enterprise holding over ten core utility model patents[cite: 1]. Our manufacturing facilities are fully audited and certified under the ISO 9001 Quality Management System[cite: 1]. Furthermore, our precision production workflows, traceable verification data, and raw material tracking records adhere directly to the strict GJB 9001C-2017 National Quality Standard, delivering mission-critical durability across national naval defense contractors, oceanographic shipyards, top universities, and major research bodies like the Chinese Academy of Sciences (CAS)[cite: 1].
Showing 10–18 of 42 results
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.
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.
