Circular Connectors

Circular Connectors - Housings

Part Number	Description / PDF	Quantity
D38999/24WB35SNLC Amphenol Aerospace Operations	CONN RCPT HSG FMALE 13POS PNL MT	86
MS3450KT16S-1SW-LC PEI-Genesis	CONN RCPT HSG F 7P INLINE PNL MT	25
AE83387K1407N-LC PEI-Genesis	AE8 7C 7#16 PIN PLUG	3
AE771W14-12PW-LC PEI-Genesis	CONN RCPT HSG MALE 12POS INLINE	20
MB1JJN0600 Tuchel / Amphenol	CONN RCPT HSG MALE 6POS INLINE	0
MB7CKN0900-S1 Tuchel / Amphenol	CONN PLUG HSNG FMALE 9POS INLINE	48
AHDM06-24-07PN Tuchel / Amphenol	CONN PLUG HSNG MALE 7POS INLINE	100250
AE774W18-11P-LC PEI-Genesis	CONN RCPT HSG MALE 11POS PNL MT	83
D38999/24ZJ61AN PEI-Genesis	AE3 61C 61#20 PIN RECP	0
MS27473T8F98PA-LC PEI-Genesis	AE2 3C 3#20 PIN PLUG	21
AE213E16B8P-LC PEI-Genesis	CONN RCPT HSG MALE 8POS PNL MNT	20
MS3450KS28-22P-LC PEI-Genesis	CONN RCP HSG ML 6P INLINE PNL MT	25
D38999/20FG39SN-LC PEI-Genesis	AE3 39C 2#16, 37#20 SKT RECP	110
AE156T9B98S-LC PEI-Genesis	CONN RCPT HSG FMALE 3POS PNL MT	83
MS27484T12B4A PEI-Genesis	CONN PLG HSG MALE 4POS INLINE	51
MS27496E15F35A PEI-Genesis	CONN RCPT HSG MALE 37POS PNL MT	45
M83723/72R1203N-LC PEI-Genesis	AE8 3C 3#16 PIN RECP	0
MS27473T14A5P-LC PEI-Genesis	CONN PLG HSG MALE 5POS INLINE	5
AE272T8B98P-LC PEI-Genesis	CONN RCPT HSG MALE 3POS PNL MNT	0
RTS1BS14N3PHEC03 Tuchel / Amphenol	CONN RCPT HSG MALE 3POS INLINE	100

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