Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
UTG1128P Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 8POS INLINE	26
MS27473T10B5A Souriau-Sunbank by Eaton	8T 5C 5#20 PLUG	101
CL1P1101 Souriau-Sunbank by Eaton	CONN PLUG HSNG MALE 4POS INLINE	25
MS3475L1626SL Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 26POS INLINE	0
UTGX0148S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 8POS PNL MT	0
D38999/20KB5BA Souriau-Sunbank by Eaton	MILDTL 38999 III WALL MOUNT	0
MS27497T10B5A Souriau-Sunbank by Eaton	8T 5C 5#20 RECP	76
MS27472T10F35B Souriau-Sunbank by Eaton	8T 13C 13#22D RECP	36
UT06103W3SH02 Souriau-Sunbank by Eaton	CONN PLUG HSG FMALE 6POS INLINE	0
UTL6JC145S Souriau-Sunbank by Eaton	CONN PLUG HSNG FMALE 5POS INLINE	135
UT07103W3PH6 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 6POS PNL MNT	0
UTGX7147P Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 7POS PNL MNT	25
UT062028PH Souriau-Sunbank by Eaton	CONN PLUG HSG MALE 28POS INLINE	0
UT06147PH Souriau-Sunbank by Eaton	CONN PLUG HSG MALE 7POS INLINE	0
D38999/24WH32AB Souriau-Sunbank by Eaton	MILDTL 38999 III JAM NUT	0
UT06103PH Souriau-Sunbank by Eaton	CONN PLUG HSG MALE 3POS INLINE	0
UT00124SH Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 4POS PNL MT	0
MS27474T12B4AA Souriau-Sunbank by Eaton	8T 4C 4#16 J/N	0
MS27656T15B97BB Souriau-Sunbank by Eaton	8LT 12C 8#20 4#16 SKT RECP	0
UTG0148PH Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 8POS PNL MT	39

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