Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
MS27474T18B28A Souriau-Sunbank by Eaton	8T 28C 26#20 2#16 J/N	1
UTG116-19S Souriau-Sunbank by Eaton	CONN RCP HSG FMALE 19POS INLINE	114
MS27499E22B55A Souriau-Sunbank by Eaton	8T 55C 55#20 RECP	18
D38999/24ZH32BN Souriau-Sunbank by Eaton	MILDTL 38999 III JAM NUT	0
UTGX71492P Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 12POS PNL MT	0
MS27472T10F99A Souriau-Sunbank by Eaton	8T 7C 7#20 RECP	0
UT07147SH01 Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 7POS PNL MT	0
UTL1103G1P Souriau-Sunbank by Eaton	CONN RCPT HSNG F/M 4POS INLINE	0
UT00147SH6 Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 7POS PNL MT	0
UT00104PH6 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 4POS PNL MNT	155
UT06FC1619SH Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 19POS INLINE	0
UT072028PH01 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 28POS PNL MT	0
MS27499E10F98A Souriau-Sunbank by Eaton	8T 6C 6#20 RECP	5
UT06103SH02 Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 3POS INLINE	0
UT00102W2SH6 Souriau-Sunbank by Eaton	CONN RCPT HSNG FMALE 4POS PNL MT	0
UTGX71492S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 12POS PNL MT	0
UT06FC2235SH Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 35POS INLINE	0
UTS1GJC128P Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 8POS INLINE	0
MS27472T10F5A Souriau-Sunbank by Eaton	8T 5C 5#20 RECP	39
MS27499E10B98A Souriau-Sunbank by Eaton	8T 6C 6#20 RECP	18

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