Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
AHDP04-24-47SR-WTA Tuchel / Amphenol	CONN RCPT HSG FMALE 47POS PNL MT	50
MB3ZSN8HS3 Tuchel / Amphenol	CONN RCPT HSG MALE 5POS INLINE	25
AHDM04-24-18PN Tuchel / Amphenol	CONN RCPT HSNG MALE 18POS PNL MT	100250
MB7JJN0900-S1 Tuchel / Amphenol	CONN RCPT HSNG MALE 9POS INLINE	34
RTS716N4P03 Tuchel / Amphenol	CONN RCPT HSNG MALE 4POS PNL MNT	0
MA2LAP1200 Tuchel / Amphenol	CONN RCPT HSNG F/M 12POS PNL MNT	2050
AHD10-9-1939PR-B022 Tuchel / Amphenol	CONN RCPT HSNG MALE 9POS PNL MNT	0
RTS016N26S03 Tuchel / Amphenol	CONN RCPT HSG FMALE 26POS PNL MT	0
MB5CKN0900-S2 Tuchel / Amphenol	CONN PLUG HSNG FMALE 9POS INLINE	50
RT00104SNH Tuchel / Amphenol	CONN RCPT HSNG FMALE 4POS PNL MT	39
RTS012N2SHEC03 Tuchel / Amphenol	CONN RCPT HSG FMALE 4POS PNL MNT	0
MC1CJN0800 Tuchel / Amphenol	CONN PLG HSG FMALE 8POS INLINE	500
MA7RAE1601 Tuchel / Amphenol	CONN RCPT HSG F/M 16P PNL MT RA	0
AHDM06-24-23PN Tuchel / Amphenol	CONN PLUG HSNG MALE 23POS INLINE	97
AHDP02-24-18PR-SRA Tuchel / Amphenol	18 POSITIONS, SEALED PANEL MOUNT	0
RT00122PNHEC Tuchel / Amphenol	CONN RCPT HSG MALE 2POS PNL MNT	0
MA5CAP1700-S3 Tuchel / Amphenol	CONN PLUG HSNG F/M 17POS INLINE	50150
AHDM06-24-29SR Tuchel / Amphenol	CONN PLUG HSNG FMALE 29POS INLIN	36250
AHDP06-24-91S-BS1 Tuchel / Amphenol	CONN PLUG HSNG FMALE 9POS INLINE	38
RTS6BS10N6P03 Tuchel / Amphenol	CONN PLUG HSNG MALE 6POS INLINE	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