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Designed for demanding environments, our SF Circular Connector ensures reliable power and signal transmission in aerospace, military, and industrial applications. Featuring rugged construction, IP67+ sealing, and quick-lock coupling, it delivers unmatched durability in extreme conditions.

Base Products

SF10 Circular Connectors

SF10 Circular Connectors

SF10,Solder,IP67, -40°C~85°C, low resistance, high insulation, 5A,180V,500 cycles
SF12 Circular Connectors

SF12 Circular Connectors

SF12,Solder,IP67, -40°C~85°C, low resistance, high insulation, 5A,300V,500 cycles
SF16 Circular Connectors

SF16 Circular Connectors

SF16,Solder,IP67, -40°C~85°C, low resistance, high insulation, 5A,500V,500 cycles
SF20 Circular Connectors

SF20 Circular Connectors

SF20,Solder,IP67, -40°C~85°C, low resistance, high insulation, 25A,500V,500 cycles
SF6 Circular Connectors

SF6 Circular Connectors

SF6,Solder, IP44/IP67, -40°C~85°C, low resistance, high insulation, 3A,30V,500 cycles
SF8 Circular Connectors

SF8 Circular Connectors

SF8,Solder, IP44/IP67, -40°C~85°C, low resistance, high insulation, 5A,30V,500 cycles

Category Insights

The SF Series is a rugged circular connector family designed for harsh environments. Features metal shell construction with corrosion-resistant finishes. Offers threaded coupling for secure mating. Available in multiple sizes (typically 12-40mm diameters). Provides IP67/IP68/IP69K environmental protection. Supports power, signal, and hybrid configurations. Used in demanding industrial/military applications. Includes EMI shielding options. Backshell strain relief prevents cable damage. Compatible with various cable types.
Ideal for military field equipment connections. Used in heavy industrial machinery. Common in oil/gas drilling equipment. Applied in marine/offshore systems. Perfect for mining equipment. Supports railway signaling systems. Used in renewable energy installations. Found in aerospace ground support. Essential for emergency vehicles. Suitable for outdoor broadcast equipment.
Heavier-duty construction than standard models. Superior corrosion resistance. Higher vibration/shock ratings. More robust sealing system. Designed for extreme conditions. Meets stringent military specs.
Standard IP67 (1m waterproof). Optional IP68 (continuous immersion). Available IP69K (high-pressure wash). Extreme temperature versions (-55°C to +125°C). Salt spray resistant models.
Standard versions: 250-600V AC/DC. Special high-voltage options available. Power versions support 20A+. Always check rating for specific model. Not all configurations support high voltage.
Yes - configurable contact arrangements. Multiple shell material options. Various backshell choices. Custom plating available. Special insert materials. OEM modifications possible.
500+ mating cycles standard. Up to 1000+ for premium versions. Depends on environmental conditions. Proper maintenance extends lifespan. Harsh conditions may reduce durability.