Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
RTS6BS14N8PHEC03 Tuchel / Amphenol	CONN PLG HSG MALE 8POS INLINE	100
AHD17-9-1939PES80 Tuchel / Amphenol	CONN RCPT HSNG MALE 9POS PNL MNT	0
MB1JJN0800 Tuchel / Amphenol	CONN RCPT HSG MALE 8POS INLINE	0
MA1LAE1200 Tuchel / Amphenol	CONN RCPT HSNG F/M 12POS PNL MNT	171150
RTS016N19PHEC03 Tuchel / Amphenol	CONN RCPT HSG MALE 19POS PNL MT	100
RTS714N7S03 Tuchel / Amphenol	CONN RCPT HSNG FMALE 7POS PNL MT	0
RTS016N09S03 Tuchel / Amphenol	CONN RCPT HSNG FMALE 9POS PNL MT	0
MA7RAE1701 Tuchel / Amphenol	CONN RCPT HSG F/M 17P PNL MT RA	0
AHDP02-24-18SR-SRA Tuchel / Amphenol	18 POSITIONS, SEALED PANEL MOUNT	0
RTS6BS8N3P Tuchel / Amphenol	CONN PLUG HSNG MALE 3POS INLINE	86100
AHDP04-24-31PR-SRA Tuchel / Amphenol	CONN RCPT HSG MALE 31POS PNL MT	0
AHDP02-24-21PN-SRA Tuchel / Amphenol	21 POSITIONS, SEALED PANEL MOUNT	0
AHDM04-18-08SR Tuchel / Amphenol	CONN RCPT HSNG FMALE 8POS PNL MT	95250
MA1JAP1600 Tuchel / Amphenol	CONN RCPT HSNG F/M 16POS INLINE	0
MA1CAP1700 Tuchel / Amphenol	CONN PLUG HSNG F/M 17POS INLINE	38
RT06128PNH Tuchel / Amphenol	CONN PLUG HSNG MALE 8POS INLINE	307
AHDP04-24-16SR-SRA Tuchel / Amphenol	CONN RCPT HSG FMALE 16POS PNL MT	0
MA3TNP1700-S3 Tuchel / Amphenol	CONN RCPT HSNG F/M 17POS PNL MNT	0
AHDM04-24-35SR-059 Tuchel / Amphenol	CONN RCP HSG F 35P INLINE PNL MT	0
AHDM04-24-18PR-059 Tuchel / Amphenol	CONN RCP HSG M 18P INLINE PNL MT	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