Circular Connectors - Housings

Image Part Number Description / PDF Quantity Rfq
FGG.2B.110.CZZ

FGG.2B.110.CZZ

REDEL / LEMO

CONN INSERT SHELL PLUG INLINE

10

FGG.1B.305.CYZD72Z

FGG.1B.305.CYZD72Z

REDEL / LEMO

CONN PLG HSG MALE 5POS INLINE

0

FGG.0B.307.YL

FGG.0B.307.YL

REDEL / LEMO

CONN INSERT MALE 7POS

0

ECG.0B.305.CYZ

ECG.0B.305.CYZ

REDEL / LEMO

CONN RCPT HSNG FMALE 5POS PNL MT

0

EGG.1B.402.YL

EGG.1B.402.YL

REDEL / LEMO

CONN INSERT FMALE 2POS

0

FGG.3B.326.YL

FGG.3B.326.YL

REDEL / LEMO

CONN INSERT MALE 26POS

0

FGD.1B.306.CYZZ

FGD.1B.306.CYZZ

REDEL / LEMO

CONN PLG HSG MALE 6POS INLINE

0

FGG.0B.309.YL

FGG.0B.309.YL

REDEL / LEMO

CONN INSERT MALE 9POS

0

PKG.A0.1GZ.ZV

PKG.A0.1GZ.ZV

REDEL / LEMO

CONN HSG 1POS

0

EGG.1B.404.YL

EGG.1B.404.YL

REDEL / LEMO

CONN INSERT FMALE 4POS

0

FGG.3B.322.YL

FGG.3B.322.YL

REDEL / LEMO

CONN INSERT MALE 22POS

0

EGG.3B.418.YL

EGG.3B.418.YL

REDEL / LEMO

CONN INSERT FMALE 18POS

0

EGG.3B.402.YL

EGG.3B.402.YL

REDEL / LEMO

CONN INSERT FMALE 2POS

0

FGG.4B.312.YL

FGG.4B.312.YL

REDEL / LEMO

CONN INSERT MALE 12POS

0

FGG.2B.319.CYZZ

FGG.2B.319.CYZZ

REDEL / LEMO

CONN PLG HSG MALE 19POS INLINE

0

SLA.H51.LLZG

SLA.H51.LLZG

REDEL / LEMO

CONN PNL MNT RCPT 51POS SKT HSG

0

PKG.A0.1GZ.ZN

PKG.A0.1GZ.ZN

REDEL / LEMO

CONN RCPT HSG FMALE 1POS PNL MT

0

PKG.A0.1SZ.ZA

PKG.A0.1SZ.ZA

REDEL / LEMO

CONN RCPT HSNG FMALE 1POS PNL MT

0

EGG.2B.404.YL

EGG.2B.404.YL

REDEL / LEMO

CONN INSERT FMALE 4POS

0

SLG.H51.LLZG

SLG.H51.LLZG

REDEL / LEMO

CONN PNL MNT RCPT 51POS PIN HSG

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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