Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
MS27473T12F98AB Souriau-Sunbank by Eaton	8T 10C 10#20 PLUG	15
MS27473T12B3B Souriau-Sunbank by Eaton	8T 3C 3#16 PLUG	17
UTL7103G1P Souriau-Sunbank by Eaton	CONN RCPT HSNG F/M 4POS PNL MNT	256
UT072235SH Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 35POS PNL MT	15
UT0W6FC2041SH Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 41POS INLINE	0
MS27472T8B98B Souriau-Sunbank by Eaton	8T 3C 3#20 RECP	2
UTS7102W2P Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 4POS PNL MNT	0
UTGX6106S Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 6POS INLINE	0
UT00147PH Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 7POS PNL MT	0
CL1F2103 Souriau-Sunbank by Eaton	CONN PLUG HSG FMALE 9POS INLINE	0
CL1M2202 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 14POS PNL MT	0
MS27497T12B4A Souriau-Sunbank by Eaton	8T 4C 4#16 RECP	6
D38999/24FH32BA Souriau-Sunbank by Eaton	MILDTL 38999 III JAM NUT	0
UT001823SH Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 23POS PNL MT	5
D38999/24WH32BC Souriau-Sunbank by Eaton	MILDTL 38999 III JAM NUT	0
UTP62028P Souriau-Sunbank by Eaton	CONN PLUG HSG MALE 28POS INLINE	0
MS27474T24F61B Souriau-Sunbank by Eaton	8T 61C 61#20 J/N	4
MS27656T15B97B Souriau-Sunbank by Eaton	8LT 12C 8#20 4#16 SKT RECP	77
UT07104SH01 Souriau-Sunbank by Eaton	CONN RCPT HSNG FMALE 4POS PNL MT	0
UTG014-12S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 12POS PNL MT	32

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