Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
D38999/26FA98SNL Souriau-Sunbank by Eaton	CONN PLUG HSG FMALE 3POS INLINE	0
UT0W01626PH Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 26POS PNL MT	25
UTGX6JC104S Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 4POS INLINE	75
UTGX6JC103W3P Souriau-Sunbank by Eaton	CONN PLG HSG MALE 6POS INLINE	0
UT07104PH01 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 4POS PNL MNT	0
CRER10PLY Souriau-Sunbank by Eaton	CONN INSERT SHELL PANEL MNT	11
MS27656T23B53BA Souriau-Sunbank by Eaton	8LT 53C 53#20 SKT RECP	0
MS27473T14F18AA Souriau-Sunbank by Eaton	8T 18C 18#20 PLUG	14
CL1F3203 Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 31POS INLINE	0
MS27473T14B5AB Souriau-Sunbank by Eaton	8T 5C 5#16 PLUG	10
UTG02020S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 20POS PNL MT	0
MS27508E14B18BA Souriau-Sunbank by Eaton	8T 18C 18#20 RECP	7
MS27473T16F8AB Souriau-Sunbank by Eaton	8T 8C 8#16 PLUG	12
UTP01412PH Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 12POS PNL MT	0
MS27474T24F24A Souriau-Sunbank by Eaton	8T 24C 12#16 12#12 J/N	0
UTS1JC102W2P Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 4POS INLINE	0
MS27474T20F35A Souriau-Sunbank by Eaton	8T 79C 79#22D J/N	12
UT0W61419PH Souriau-Sunbank by Eaton	CONN PLUG HSG MALE 19POS INLINE	43
UT07142G1SH Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 3POS PNL MT	0
UTG62020SN Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 20POS INLINE	0

Circular Connectors - Housings

1. Overview

Circular connectors housings are electromechanical devices designed to protect and organize electrical contacts in circular configurations. They serve as mechanical support structures while providing environmental protection, electrical insulation, and strain relief. These housings are critical components in maintaining signal integrity and power transmission across diverse applications, from industrial automation to aerospace systems.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Metal Housings	High durability, EMI/RFI shielding, vibration resistance	Military equipment, aerospace systems
Plastic Housings	Lightweight, corrosion-resistant, cost-effective	Consumer electronics, medical devices
Hybrid Housings	Combination of metal/plastic for optimized performance	Automotive sensors, industrial machinery
High-Density Housings	Miniaturized contact arrangements with advanced insulation	Telecom equipment, data centers

3. Structure and Components

Typical circular connector housings consist of: - Shell Body: Cylindrical main structure (metal/plastic) with mounting threads - Contact Cavities: Precision-machined compartments for terminal placement - Sealing System: Integrated gaskets/O-rings for IP65+ protection - Polarization Key: Mechanical feature preventing misalignment - Retention System: Threaded coupling or bayonet mechanisms - Cable Entry: Strain relief provisions with gland seals

4. Key Technical Specifications

Parameter	Importance
Current Rating (A)	Determines power transmission capacity
Voltage Withstand (V)	Ensures dielectric strength
Operating Temperature (-40 C to +125 C)	Defines environmental tolerance
Vibration Resistance (10-2000Hz)	Crucial for harsh environments
IP Rating (IP67/IP68)	Specifies ingress protection level
Contact Retention Force	Prevents accidental disconnection

5. Application Fields

Industrial Automation: Robotics, PLC systems
Medical Equipment: MRI machines, patient monitoring systems
Aerospace: Avionics, flight control systems
Telecommunications: 5G base stations, fiber optic equipment
Energy: Wind turbines, solar inverters

6. Leading Manufacturers and Products

Manufacturer	Representative Product
TE Connectivity	DEUTSCH DT series metal housings
Amphenol	Hermetic circular connector enclosures
Molex	T1 Mini sealed automotive housings
Phoenix Contact	Heavy-duty QUICKON connectors

7. Selection Guidelines

Key considerations include: - Environmental factors (temperature, moisture, chemicals) - Mechanical requirements (vibration, shock, mating cycles) - Electrical parameters (current/voltage requirements) - Material compatibility (corrosion resistance needs) - Space constraints and mounting options - Cost vs. performance trade-offs Example: For underwater robotics applications, prioritize IP68-rated plastic housings with corrosion-resistant coatings and pressure sealing.

8. Industry Trends

Current development trends include: - Miniaturization for IoT device integration - Advanced polymer composites for weight reduction - Integrated smart sensors in connector housings - Enhanced EMI shielding for 5G applications - Sustainability focus on recyclable materials - Additive manufacturing enabling complex geometries