Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
MS27497T10B99AA Souriau-Sunbank by Eaton	8T 7C 7#20 RECP	0
D38999/26FH32BB Souriau-Sunbank by Eaton	MILDTL 38999 III PLUG	0
MS27466T25B43AA Souriau-Sunbank by Eaton	8LT 43C 23#20 20#16 PIN RECP	0
UTGX1JC104P Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 4POS INLINE	25
UTG020-28S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 28POS PNL MT	11
UT0W6FC1210SH Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 10POS INLINE	0
UT06128PH02 Souriau-Sunbank by Eaton	CONN PLUG HSNG MALE 8POS INLINE	0
D38999/20JA35SNL Souriau-Sunbank by Eaton	CONN RCPT HSNG FMALE 6POS PNL MT	0
UT00103W3SH Souriau-Sunbank by Eaton	CONN RCPT HSNG FMALE 6POS PNL MT	0
MS27497T12F3B Souriau-Sunbank by Eaton	8T 3C 3#16 RECP	6
MS27508E18B32BA Souriau-Sunbank by Eaton	8T 32C 32#20 RECP	45
UTGX6JC124P Souriau-Sunbank by Eaton	CONN PLG HSG MALE 4POS INLINE	0
UTGX0JC148S Souriau-Sunbank by Eaton	CONN RCPT HSG F 8P INLINE PNL MT	0
UTGX71412S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 12POS PNL MT	0
UTGX6JC1492P Souriau-Sunbank by Eaton	CONN PLG HSG MALE 12POS INLINE	0
UTS71823P Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 23POS PNL MT	20
MS27466T21B39B Souriau-Sunbank by Eaton	8LT 39C 37#20 2#16 SKT RECP	0
UT072235PH01 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 35POS PNL MT	0
MS27474T20F41B Souriau-Sunbank by Eaton	8T 41C 41#20 J/N	8
UT07142G1PH601 Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 3POS PNL MNT	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