Circular Connectors - Housings

Image Part Number Description / PDF Quantity Rfq
09151000301

09151000301

HARTING

CONN INSERT SHELL PANEL MNT

5

21038811830

21038811830

HARTING

CONN PLUG HSNG MALE 8POS INLINE

9

09151000481

09151000481

HARTING

CONN INSERT SHELL INLINE

10

21038213505

21038213505

HARTING

CONN RCPT HSG MALE 5P INLINE ANG

19

21038813830

21038813830

HARTING

CONN PLG HSG MALE 8PS INLINE ANG

0

21038213830

21038213830

HARTING

CONN PLG HSG MALE 8PS INLINE ANG

0

21038211525

21038211525

HARTING

CONN RCP HSG ML 5P INLINE PNL MT

110

09150073121

09150073121

HARTING

CONN INSERT FMALE 8POS

56

09156123001

09156123001

HARTING

CONN INSERT MALE 12POS

15

21038813805

21038813805

HARTING

CONN RCPT HSG MALE 8P INLINE ANG

20

21033021000

21033021000

HARTING

CONN INSERT SHELL MALE PNL MNT

120

21033012002

21033012002

HARTING

CONN INSERT SHELL FMAL 8P PNL MT

0

21038412535

21038412535

HARTING

CONN RCPT HSNG FMALE 5POS INLINE

0

09150073022

09150073022

HARTING

CONN INSERT MALE 8POS

0

21038121511

21038121511

HARTING

CONN RCPT HSG MALE 5POS INLINE

0

21038822411

21038822411

HARTING

CONN PLG HSG FMALE 4POS INLINE

0

21038821499

21038821499

HARTING

CIRCULAR CONNECTOR M12 CRIMP MAL

0

21038821411

21038821411

HARTING

CONN RCPT HSG MALE 4POS INLINE

0

21038211506

21038211506

HARTING

M12 A-CODE 4/5PIN MALE SHIELDED,

0

21038412525

21038412525

HARTING

CONN RCP HSG FMAL 5P INLN 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

TypeFunctional FeaturesApplication Examples
Metal HousingsHigh durability, EMI/RFI shielding, vibration resistanceMilitary equipment, aerospace systems
Plastic HousingsLightweight, corrosion-resistant, cost-effectiveConsumer electronics, medical devices
Hybrid HousingsCombination of metal/plastic for optimized performanceAutomotive sensors, industrial machinery
High-Density HousingsMiniaturized contact arrangements with advanced insulationTelecom 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

ParameterImportance
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 ForcePrevents 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

ManufacturerRepresentative Product
TE ConnectivityDEUTSCH DT series metal housings
AmphenolHermetic circular connector enclosures
MolexT1 Mini sealed automotive housings
Phoenix ContactHeavy-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

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