Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
MS27499E16B35A Souriau-Sunbank by Eaton	8T 55C 55#22D RECP	3
CL1F4201 Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 40POS INLINE	0
UTL7102G1W3S Souriau-Sunbank by Eaton	CONN RCPT HSNG F/M 6POS PNL MNT	1
MS27472T10B99AA Souriau-Sunbank by Eaton	8T 7C 7#20 RECP	0
UTGX0JC148P Souriau-Sunbank by Eaton	CONN RCP HSG ML 8P INLINE PNL MT	0
UTGX61210P Souriau-Sunbank by Eaton	CONN PLG HSG MALE 10POS INLINE	0
MS27497T10B98A Souriau-Sunbank by Eaton	8T 6C 6#20 RECP	76
UTG0-24-48S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 48POS PNL MT	25
UT07142G1PH Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 3POS PNL MT	0
UTP0122G1PH Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 3POS PNL MNT	0
D38999/26WH32AC Souriau-Sunbank by Eaton	MILDTL 38999 III PLUG	0
UT06128SH02 Souriau-Sunbank by Eaton	CONN PLUG HSG FMALE 8POS INLINE	0
UTGX7128P Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 8POS PNL MNT	0
MS27474T22F35B Souriau-Sunbank by Eaton	8T 100C 100#22D J/N	0
UTS1JC124S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 4POS INLINE	1121
UTL7122G1W5P Souriau-Sunbank by Eaton	CONN RCPT HSNG F/M 8POS PNL MNT	22
UTG1103S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 3POS INLINE	0
UTG02448P Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 48POS PNL MT	2
D38999/24FC35PNL Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 22POS PNL MT	0
D38999/24FH32AB Souriau-Sunbank by Eaton	MILDTL 38999 III JAM NUT	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