Circular Connectors - Housings

Image Part Number Description / PDF Quantity Rfq
09151000703

09151000703

HARTING

CONN INSERT SHELL INLINE

7

09156000301

09156000301

HARTING

CONN INSERT SHELL PNL MOUNT

11

21038213530

21038213530

HARTING

CONN PLG HSG MALE 5PS INLINE ANG

0

09151063001

09151063001

HARTING

CONN INSERT MALE 6POS

37

09156093101

09156093101

HARTING

CONN INSERT FEMALE 9POS

41

09156093011

09156093011

HARTING

CONN INSERT MALE 9POS

25

09151000373

09151000373

HARTING

CONN INSERT SHELL PANEL MNT

5

09151073101

09151073101

HARTING

CONN INSERT FMALE 7POS

30

09151123121

09151123121

HARTING

CONN INSERT FMALE 12POS

11

09156000311

09156000311

HARTING

CONN INSERT SHELL INLINE PNL MNT

5

21038212825

21038212825

HARTING

CONN PLG HSG FMALE 8POS PNL MT

25

09156000492

09156000492

HARTING

CONN INSERT SHELL INLINE

6

21038811430

21038811430

HARTING

CONN PLUG HSNG MALE 4POS INLINE

12

09150000102

09150000102

HARTING

CONN INSERT SHELL INLINE RA

0

09151093101

09151093101

HARTING

CONN INSERT FMALE 9POS

36

21033011000

21033011000

HARTING

CONN INSERT SHELL MALE PNL MNT

65

21033012000

21033012000

HARTING

CONN INSERT SHELL FMALE PNL MNT

50

21038221425

21038221425

HARTING

CONN PLG HSG MAL 4P INLIN PNL MT

474

09151000702

09151000702

HARTING

CONN INSERT SHELL INLINE

7

09156063001

09156063001

HARTING

CONN INSERT MALE 6POS

10

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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