Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
D38999/20ZB4AN Souriau-Sunbank by Eaton	MILDTL 38999 III WALL MOUNT	0
UTP61823S Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 23POS INLINE	0
UTS7103W3S Souriau-Sunbank by Eaton	CONN RCPT HSNG FMALE 6POS PNL MT	162
UTGX0142G1P Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 3POS PNL MNT	25
CL1C2201 Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 14POS INLINE	0
MS27474T18B11A Souriau-Sunbank by Eaton	8T 11C 11#16 J/N	1
UT062028SH02 Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 28POS INLINE	0
UTS61832S Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 32POS INLINE	0
CL1M3102 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 18POS PNL MT	7
UTP62235S Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 35POS INLINE	0
D38999/20FB4AB Souriau-Sunbank by Eaton	MILDTL 38999 III WALL MOUNT	0
UTGX1JC103W3P Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 6POS INLINE	0
CL1M4201 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 40POS PNL MT	0
UTG116-19P Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 19POS INLINE	50
UTGX0142G1S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 3POS PNL MT	0
MS27505E11B99AA Souriau-Sunbank by Eaton	8LT 7C 7#20 PIN RECP	19
UT07104SH Souriau-Sunbank by Eaton	CONN RCPT HSNG FMALE 4POS PNL MT	0
UTS7GJC1412P Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 12POS PNL MT	0
CL1M1201 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 9POS PNL MNT	0
UT06FC1412SH Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 12POS 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