Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
MS27474T20F41A Souriau-Sunbank by Eaton	8T 41C 41#20 J/N	12
MS27473T20B39AB Souriau-Sunbank by Eaton	8T 39C 37#20 2#16 PLUG	0
UT07103PH6 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 3POS PNL MT	0
UTS7128S Souriau-Sunbank by Eaton	CONN RCPT HSNG FMALE 8POS PNL MT	115
UT00104PH Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 4POS PNL MNT	425
UTP62448S Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 48POS INLINE	0
MS27474T12B35AA Souriau-Sunbank by Eaton	8T 22C 22#22D J/N	0
CL1D1101 Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 4POS INLINE	24
MS27656T19B11BA Souriau-Sunbank by Eaton	8LT 11C 11#16 SKT RECP	0
UTS6JC103W3P Souriau-Sunbank by Eaton	CONN PLUG HSNG MALE 6POS INLINE	125
UTS1GN128P Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 8POS INLINE	0
MS27472T12B35AA Souriau-Sunbank by Eaton	8T 22C 22#22D RECP	17
UTGX6JC1412S Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 12POS INLINE	75
D38999/24WH32BA Souriau-Sunbank by Eaton	MILDTL 38999 III JAM NUT	0
MS27497T10B99BA Souriau-Sunbank by Eaton	8T 7C 7#20 RECP	36
UTS6JC183G1S Souriau-Sunbank by Eaton	CONN PLG HSG FMALE 4POS INLINE	23
CL1M3202 Souriau-Sunbank by Eaton	CONN RCPT HSNG MALE 31POS PNL MT	0
D38999/20ZB4AA Souriau-Sunbank by Eaton	MILDTL 38999 III WALL MOUNT	0
UT07103SH601 Souriau-Sunbank by Eaton	CONN RCPT HSG FMALE 3POS PNL MT	0
UT07103PH Souriau-Sunbank by Eaton	CONN RCPT HSG MALE 3POS PNL MNT	21

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