Product Overview
| Feature |
Specification |
| Product Series |
SM, ZM, JK, JH Series (Watertight Type) |
| Water Pressure Resistance |
4.5 MPa to 10.0 MPa (Approx. 450m – 1000m Depth) |
| Temperature Range |
-45°C to +85°C / +100°C (-49°F to +185°F / +212°F) |
| Insulation Materials |
Fluoroplastics (F), Polyethylene (Y), XLPE (YJ), EPDM (E) |
| Jacket Materials |
Polyurethane (PUR – U), Chlorosulfonated Polyethylene (CSPE – H) |
| Key Features |
High hydrostatic pressure resistance, sea water corrosion resistance, abrasion resistant, high shielding efficiency, and gas-tight construction. |
| Applications |
Underwater vehicles (ROV/AUV), shipboard equipment, sonar systems, and offshore oil/gas platforms. |
Comprehensive Configuration Matrix
Our Watertight series covers over 100+ configurations including multi-core twisted, EMI shielding, and various protective jacket materials. If your specific requirement is not listed in the standard table, please contact us for custom configuration.
| Configuration Category |
Available Options |
| Series Types |
Radio Frequency (SM), Integrated (ZM), General Control (JK), Communication (JH) |
| Core Count |
Single Core to Multi-core (up to 37+ cores) |
| Shielding |
P (Shielded with metal braid) |
| Conductor Type |
R (Flexible stranded conductor) |
| Insulation Wall |
Standard or Reinforced for high pressure |
| Standard Compliance |
GJB 774-1989, GJB 1916-1994, IEC 60092, MIL-DTL-24643C |
Representative Dimensions & Performance Data
Typical data for select models illustrating the range of capabilities
| Model Type |
O.D. (mm) |
Max Voltage (kV AC) |
Impedance (Ohm) |
Max Water Pressure (MPa) |
Temp Range (°C / °F) |
| SMYJ-50-3-5 |
12.5 ± 0.3 |
12.0 |
50 ± 2.5 |
6.0 MPa |
-45 to +85°C (-49 to +185°F) |
| ZMYJP-4 |
10.5 ± 0.3 |
2.0 |
N/A |
6.0 MPa |
-45 to +85°C (-49 to +185°F) |
| ZMYJP-14 |
15.0 ± 0.3 |
1.0 |
75 (Nominal) |
6.0 MPa |
-45 to +85°C (-49 to +185°F) |
| ZMFJP-32×0.4 |
25.0 ± 0.3 |
1.0 |
N/A |
10.0 MPa |
-45 to +100°C (-49 to +212°F) |
| JKYH-36×0.34 |
40.0 ± 1.0 |
10.0 |
100 (Nominal) |
4.5 MPa |
-40 to +85°C (-40 to +185°F) |
Electrical & Mechanical Standards
| Parameter |
Performance Index |
| Shielding Density |
>= 85 percent |
| Insulation Resistance |
>= 1000 to 5000 MOhm-km (based on material) |
| Transfer Impedance (30MHz) |
<= 0.01 Ohm/m (Double Shielded variants) |
| Conductor Resistance |
Compliant with standard AWG/mm2 ratings |
| Mechanical Integrity |
No jacket cracking or water leakage after high-pressure immersion tests. |
Construction Layers (Typical)
-
Center Conductor: High-strand bare or tinned copper.
-
Insulation: Specialized polymers for pressure stability.
-
Internal Fillers: Watertight compounds to prevent longitudinal water migration.
-
Shielding: Metal braid for signal integrity.
-
Outer Jacket: PUR or CSPE for high abrasion and chemical resistance.
