SD20 Connector: IP65 Waterproof Metal Aviation Plug & Socket

Name: SD20 Connector: IP65 Waterproof Metal Aviation Plug & Socket
Brand: STA Connector
SKU: SD20/WF20
Availability: InStock
Rating: 5 (1 reviews)

No.SD20/WF20

The SD20 Connector from STA Connector is a high-performance metal industrial waterproof aviation plug designed for demanding electrical environments. Featuring a rugged zinc alloy shell with chrome plating, this series offers exceptional mechanical strength and EMI shielding. Available in multiple configurations including male/female plugs and square flange receptacles, the SD20 ensures a secure threaded coupling connection. Whether for heavy machinery or outdoor power systems, these connectors provide a reliable IP65-rated interface for seamless power and signal transmission.

Product

SD20 Industrial Power Connector

Number of Pins

2,3,4,5,6,7,8,9,12,15pin

Screw Crimp

φ2.5mm, φ3mm, φ3.5mm

Temperature Range

-40°C ~ +85°C

Connector Type:

Male Plug With Cable Clamping Plates

Female Plug With Cable Clamping Plates

Male Plug With Angled Back Shell And Cable Clamping Plates

Female Plug With Angled Back Shell And Cable Clamping Plates

Square Flange Panel Male Receptacle

Square Flange Panel Female Receptacle

Pins:

2pin

3pin

4pin

5pin

6pin

7pin

8pin

9pin

10pin

12pin

14pin

15pin

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Description

Key Advantages

Rugged Metal Construction: Engineered with a premium zinc alloy chrome-plated shell, the SD20 series provides superior impact resistance and durability, outperforming plastic alternatives in harsh industrial or high-traffic operational environments.
High-Temperature Insulation: Utilizing PPS thermoplastic insulation, these connectors can withstand extreme temperatures up to 260℃, ensuring electrical stability and preventing housing deformation during high-intensity soldering or long-term operation.
Superior Conductivity: Equipped with gold-plated brass contacts, the SD20 maintains low contact resistance and prevents oxidation, guaranteeing reliable signal integrity and efficient power flow over 500+ mating cycles.
Versatile Mounting & Wiring: We offer flexible installation options including square flange panel mounting and angled back shells, supporting soldering, crimping, and screw termination to fit diverse engineering requirements.
Certified Environmental Safety: Our SD20/WF20 series is fully compliant with CE, RoHS, and UL standards, providing an IP65 waterproof rating that protects critical electrical connections against dust, moisture, and low-pressure water jets.

Connector drawings

Male Plug With Cable Clamping Plates	Female Plug With Cable Clamping Plates

Male Plug With Angled Back Shell And Cable Clamping Plates	Female Plug With Angled Back Shell And Cable Clamping Plates

Square Flange Panel Male Receptacle	Square Flange Panel Female Receptacle

Coupling Type	Threaded Locking Mechanism
IP Rating	IP65 Waterproof & Dustproof
Material (Shell)	Zinc Alloy (Chrome Plated)
Insulator Material	PPS Thermoplastic (High Temp 260℃)
Contact Material	Brass with Gold Plating

Pins	2	3	4	5	6	6B	7	8	9	12	15
Front view
Rated Current	25	25	25	10	5×2 25×4	30×2 5×4	10	10	5	5	5
Contact Diameter	φ2.5×2	φ2.5×3	φ2.5×4	φ1×5	φ1×2 φ2.5×4	φ3×2 φ1×4	φ1.5×7	φ1.5×8	φ1×9	φ1×12	φ1×15
Operating Voltage (AC.V)	500	500	500	500	500	500	500	500	400	400	400
Withstand Voltage (AC.V) 1 min	1500	1500	1500	1500	1500	1500	1500	1500	1200	1200	1200
Contact resistance	1MΩ	1MΩ	1MΩ	2.5MΩ	5×2MΩ 1×4MΩ	1×2MΩ 5×4MΩ	2.5MΩ	2.5MΩ	5MΩ	5MΩ	5MΩ
Insulation resistance	2000MΩ	2000MΩ	2000MΩ	2000MΩ	2000MΩ	2000MΩ	2000MΩ	2000MΩ	2000MΩ	2000MΩ	2000MΩ
Wire Gauge (mm²/AWG)	≤4/11	≤4/11	≤4/11	≤2/14	≤0.75/18 ≤4/11	≤0.75/18 ≤4/11	≤2/14	≤2/14	≤0.75/18	≤0.75/18	≤0.75/18

Versatile Application Scenarios

Industrial Machinery: Powering heavy-duty CNC equipment and automated production lines.
Outdoor Lighting: Secure electrical connections for LED displays and architectural lighting systems.
Medical Equipment: Reliable signal transmission for diagnostic devices requiring high-density pinouts.
Communication Systems: Shielded data links for telecommunications base stations and outdoor units.
Aviation & Marine: Robust interconnects for navigation systems and onboard electronic control units.

FAQ

Q: Does the SD20 connector support both power and signal transmission?
A: Yes, with pin counts ranging from 2-pin (high current) to 15-pin (multi-signal), the SD20 is ideal for hybrid power and data applications.
Q: What is the benefit of the Angled Back Shell version?
A: The angled back shell is designed for tight spaces where a straight cable entry is not feasible, helping to manage cable bend radius and reduce strain.
Q: Are these connectors compatible with harsh chemical environments?
A: The chrome-plated zinc alloy offers excellent resistance to corrosion; however, for extreme chemical exposure, we recommend consulting our technical team for specific material testing.