Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
MB3XSN8HS3 Tuchel / Amphenol	CONN PLUG HSG FMALE 5POS INLINE	25
MB3TNN0800-S2 Tuchel / Amphenol	CONN RCPT HSNG MALE 8POS PNL MT	0
AHDP04-18-21PN-SRA Tuchel / Amphenol	CONN RCPT HSG MALE 21POS PNL MT	0
AHDP02-24-19SR-SRA Tuchel / Amphenol	19 POSITIONS, SEALED PANEL MOUNT	0
RTS714N8P03 Tuchel / Amphenol	CONN RCPT HSNG MALE 8POS PNL MNT	0
AHDP06-24-07SN-SRA Tuchel / Amphenol	CONN PLG HSG FMALE 7POS INLINE	0
MC1NJN0600 Tuchel / Amphenol	CONN RCPT HSG MALE 6PS PNL MT RA	0
RT06102PNH Tuchel / Amphenol	CONN PLUG HSNG MALE 4POS INLINE	0
AHDM04-18-14PR-059 Tuchel / Amphenol	CONN RCP HSG M 14P INLINE PNL MT	0
AHDP04-24-21PR-WTA Tuchel / Amphenol	CONN RCPT HSNG MALE 21POS PNL MT	99
MB7CKN0600-S2 Tuchel / Amphenol	CONN PLUG HSNG FMALE 6POS INLINE	46
MA3TNE1700-S2 Tuchel / Amphenol	CONN RCPT HSNG F/M 17POS PNL MNT	0
AHDM06-24-18SR Tuchel / Amphenol	CONN PLUG HSNG FMALE 18POS INLIN	100250
RTS712N4S03 Tuchel / Amphenol	CONN RCPT HSNG FMALE 4POS PNL MT	0
ATHD06-1-8S-E003 Tuchel / Amphenol	CONN PLG HSG FMALE 1POS INLINE	0
AHDM04-18-21SN-059 Tuchel / Amphenol	CONN RCP HSG F 21P INLINE PNL MT	0
AHDM06-24-18SN Tuchel / Amphenol	CONN PLUG HSNG FMALE 18POS INLIN	96250
RTS012N8PHEC03 Tuchel / Amphenol	CONN RCPT HSNG MALE 8POS PNL MNT	0
MA7CAE1200-S3 Tuchel / Amphenol	CONN PLUG HSNG F/M 12POS INLINE	30
AHDP02-24-29PR-SRA Tuchel / Amphenol	29 POSITIONS, SEALED PANEL MOUNT	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