Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
RTS1BS12N4P03 Tuchel / Amphenol	CONN RCPT HSG MALE 4POS INLINE	80
AHDM06-24-27SR Tuchel / Amphenol	CONN PLUG HSNG FMALE 27POS INLIN	100250
RT07142PNH Tuchel / Amphenol	CONN RCPT HSNG MALE 4POS PNL MNT	0
RTS714N19S03 Tuchel / Amphenol	CONN RCPT HSG FMALE 19POS PNL MT	96
AHDP02-24-23SR-SRA Tuchel / Amphenol	23 POSITIONS, SEALED PANEL MOUNT	0
AHDM04-24-16PR-059 Tuchel / Amphenol	CONN RCP HSG M 16P INLINE PNL MT	0
AHDP04-18-20SR-WTA Tuchel / Amphenol	CONN RCPT HSG FMALE 20POS PNL MT	98
RTS1BS10N3P03 Tuchel / Amphenol	CONN RCPT HSG MALE 3POS INLINE	272
AHDM04-24-29SR-059 Tuchel / Amphenol	CONN RCP HSG F 29P INLINE PNL MT	0
AHDP02-24-18SN-SRA Tuchel / Amphenol	18 POSITIONS, SEALED PANEL MOUNT	0
AHDP04-24-35SR-SRA Tuchel / Amphenol	CONN RCPT HSG FMALE 35POS PNL MT	0
AHDP04-18-14PR-WTA Tuchel / Amphenol	CONN RCPT HSNG MALE 14POS PNL MT	46
AHDM04-18-20PN-059 Tuchel / Amphenol	CONN RCP HSG M 20P INLINE PNL MT	0
AHDM04-24-23SN Tuchel / Amphenol	CONN RCPT HSNG FMALE 23PS PNL MT	97200
MB5JJN0900-S2 Tuchel / Amphenol	CONN RCPT HSNG MALE 9POS INLINE	50
MA5CAP1200-S1 Tuchel / Amphenol	CONN PLUG HSNG F/M 12POS INLINE	5050
RTS710N3S03 Tuchel / Amphenol	CONN RCPT HSNG FMALE 3POS PNL MT	2
AHDP06-18-21SN-WTA Tuchel / Amphenol	CONN PLG HSG FMALE 21POS INLINE	50
AHDP06-24-47PR-SRA Tuchel / Amphenol	CONN PLG HSG MALE 47POS INLINE	0
AHDM06-24-09SR Tuchel / Amphenol	CONN PLUG HSNG FMALE 9POS INLINE	99

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