Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
UT00142G1PH6 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 3POS PNL MT	0
MS27656T15B18BB Souriau-Sunbank by Eaton	8LT 18C 18#20 SKT RECP	0
UT06FC1823SH Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 23POS INLINE	0
UTS6147S Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 7POS INLINE	14
UT0W6106SH Souriau-Sunbank by Eaton	CONN PLUG HSG FMALE 6POS INLINE	123
UT071412SH Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 12POS PNL MT	15
MS27473T12F4AB Souriau-Sunbank by Eaton	8T 4C 4#16 PLUG	6
UT06147SH02 Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 7POS INLINE	0
UT07104PH6 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 4POS PNL MNT	0
MS27473T24B24AA Souriau-Sunbank by Eaton	8T 24C 12#16 12#12 PLUG	0
UTS71823S Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 23POS PNL MT	18
D38999/20KB99AA Souriau-Sunbank by Eaton	MILDTL 38999 III WALL MOUNT	0
UTP01412P Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 12POS PNL MT	5
MS27474T24F35A Souriau-Sunbank by Eaton	8T 128C 128#22D J/N	4
UTGX6104S Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 4POS INLINE	0
UTL6TH103G1S Souriau-Sunbank by Eaton	CONN PLG HSG F/M 4POS PNL MNT	25
UTS1JC147P Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 7POS INLINE	14
MS27473T20B35AB Souriau-Sunbank by Eaton	8T 79C 79#22D PLUG	0
UTGX01210P Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 10POS PNL MT	25
MS27656T23B55BA Souriau-Sunbank by Eaton	8LT 55C 55#20 SKT RECP	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