Circular Connectors - Housings

Image Part Number Description / PDF Quantity Rfq
21033011001

21033011001

HARTING

CONN INSERT SHELL MALE PNL MNT

100

09151000305

09151000305

HARTING

CONN INSERT SHELL PANEL MNT

6

09156000603

09156000603

HARTING

CONN INSERT SHELL INLINE RA

10

09151193101

09151193101

HARTING

CONN INSERT FMALE 19POS

13

21038214505

21038214505

HARTING

CONN PLG HSG FMALE 5POS ANG

10

09156000912

09156000912

HARTING

CONN INSERT SHELL PNL MNT RA

9

09151000602

09151000602

HARTING

CONN INSERT SHELL INLINE RA

10

09151123021

09151123021

HARTING

CONN INSERT MALE 12POS

3

09156000310

09156000310

HARTING

CONN INSERT SHELL INLINE PNL MNT

3

09156000482

09156000482

HARTING

CONN INSERT SHELL INLINE

10

09151000491

09151000491

HARTING

CONN INSERT SHELL F/M INLINE

9

21038812805

21038812805

HARTING

CONN PLUG HSG FMALE 8POS INLINE

12

21038962505

21038962505

HARTING

CONN PLG HSG FMALE 5POS INLINE

10

21038212525

21038212525

HARTING

CONN PLG HSG F 5P INLINE PNL MT

35

09151123001

09151123001

HARTING

CONN INSERT MALE 12POS

15

09151173001

09151173001

HARTING

CONN INSERT MALE 17POS

22

09151000308

09151000308

HARTING

CONN INSERT SHELL PANEL MNT

6

09150000101

09150000101

HARTING

CONN INSERT SHELL INLINE

0

09156000703

09156000703

HARTING

CONN INSERT SHELL INLINE

10

09156093001

09156093001

HARTING

CONN INSERT MALE 9POS

31

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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