Solder-Type Ip67 Connectors 9w4 Female:
The Hub for Power and Signal Integration in Harsh Environments
In complex applications such as industrial automation, new energy equipment, and outdoor communications, devices require not only stable data transmission but also reliable high-current power supply, while resisting moisture, dust, and electromagnetic interference. The solder-type 9W4 metal ip67 waterproof connector is designed precisely to meet these combined demands. Featuring a hybrid layout of 9 signal contacts and 4 high-current contacts, paired with an all-metal sealed structure and flexible solder-type termination, it serves as a dependable carrier for simultaneous power and signal transmission, providing solid support for efficient operation in harsh environments.
The core advantage of this 9 Pin Female D Sub Ip67 connector lies in its intelligent “hybrid integration” design.
The 9 signal contacts are precision gold-plated, with contact resistance down to the milliohm level, enabling stable transmission of high-speed data, control commands, and sensor signals with zero latency.
The 4 high-current contacts use thickened copper alloy, with a single-pin rated current of 10A–40A, easily supporting high-power loads such as motor drives and power modules. This eliminates the complicated wiring and wasted space caused by traditional separate signal and power connections.
Its solder-type termination offers strong adaptability, allowing quick connection to cables of various gauges without specialized crimping tools. It is especially suitable for small-batch customization and on-site maintenance, greatly reducing installation and maintenance costs, and has earned wide recognition from customers.
The all-metal housing and IP67-rated protection create an “immune barrier” against harsh environments.
Constructed from zinc alloy or stainless steel with nickel plating, the shell provides excellent corrosion resistance and strong electromagnetic shielding, effectively blocking external RF interference and ensuring pure signal transmission.
Internally, a dual-seal structure with silicone O-rings and cable waterproof glands delivers full protection for both the connector body and cable interface. Even after being submerged at 1‑meter depth for 30 minutes, or exposed long-term to dust and salt spray, internal contacts remain dry and oxidation‑free, preventing short circuits and signal attenuation caused by moisture.
With an operating temperature range of −55°C to 125°C, it performs reliably in extreme cold outdoor or high-temperature industrial environments despite drastic temperature fluctuations.
From battery module connections in new energy storage cabinets, to power supply and signal feedback for industrial robot joints; from power distribution and control for outdoor LED displays, to on-board equipment interconnection in rail transit — the solder-type 9W4 metal high-current waterproof connector solves complex connection challenges through its three-in-one performance: signal, power, and protection.
Its compact D-Sub standard form factor is compatible with legacy interfaces while saving installation space for modern equipment, making it the preferred solution for engineers pursuing efficient, reliable connections in harsh environments.
Whether facing the challenges of humid and dusty outdoor conditions or meeting industrial demands for both high current and high-precision signal transmission, this connector redefines “reliable connectivity” with robust metal construction, rigorous sealing, and intelligent hybrid design.
It is not only a transmission hub for power and signals, but also a “security guard” ensuring stable equipment operation in the harshest environments.
D Sub 9 Female And Male is a newly developed high-current waterproof connector by PanDi Company, and the casing is made of zinc alloy, which provides better water resistance.
Zinc Alloy 9W4 High Current Waterproof Connector Product Specification：
1. Product Overview
Product Name: 9W4 Mixed Layout High Current ip67 waterproof connector (Zinc Alloy Version)
Connector Series: D-Sub Mixed Layout
Key Features: High current carrying capacity, ip67 connector, EMI/RFI shielding, cost-effective metal housing
2. Electrical Performance
Mixed Layout: 9 signal contacts + 4 high current contacts
Rated Current:
Signal contacts: 3A - 5A
High current contacts: 10A - 20A (depending on contact size, e.g., 20A version)
Rated Voltage:
Signal: 300V
Power: 300V
Contact Resistance:
Signal: ≤ 20mΩ
Power: ≤ 5mΩ
Insulation Resistance: ≥ 5000MΩ @ 500V DC
Dielectric Withstanding Voltage: 1000V AC (50Hz) for 1 minute, no breakdown or flashover
Shielding Effectiveness: Zinc alloy housing provides excellent EMI/RFI shielding (>65dB @ 10GHz)
3. Mechanical Performance
Housing Material: Zinc alloy
Surface Finish: Nickel plated (standard silver) or black nickel plated (black)
Mounting Type:
Solder cup type (for cable connection)
PCB mount (90° or 180°)
Contact Material: Copper alloy
Contact Plating:
Underplating: Nickel
Contact area: Gold plated (1μ" - 5μ" optional)
Mating Cycle Durability: ≥ 500 cycles
Locking Method: Standard D-Sub screw locking or clip locking
4. Environmental & Protection
Protection Rating: IP67
Dustproof: Complete protection against dust ingress
Waterproof: Immersion in 1 meter of water for 30 minutes without water ingress
Sealing Material: Silicone O-ring (aging resistant, high/low temperature resistant)
Operating Temperature: -55°C to +125°C
Salt Spray Test Resistance:
Zinc alloy with nickel plating: 48 hours (standard)
Zinc alloy with black nickel plating: 96 hours (enhanced corrosion resistance)
5. Materials & Process
Insulator: PBT + 30% glass fiber (UL94V-0 flame retardant)
Cable Clamp: Metal or high-strength nylon (with waterproof rubber core)
6. Application Fields
Industrial Automation: Servo drives, frequency converters (using zinc alloy's shielding properties for anti-interference)
New Energy: Energy storage BMS systems, photovoltaic inverters
Communication Equipment: Outdoor base stations, RF modules
Medical Equipment: Portable diagnostic instruments
7. Selection Guide
Housing Selection: Zinc alloy is suitable for most industrial environments. For extremely corrosive environments (e.g., offshore platforms), it is recommended to upgrade to a stainless steel housing.
Current Confirmation: The high current contacts of the 9W4 connector are available in various current ratings. Select the 10A or 20A version according to the actual load.
Wire Gauge Matching: High current contacts must be matched with sufficiently thick cables (e.g., 14AWG - 18AWG) to ensure current carrying capacity.
