Circular Connectors - Housings

Image Part Number Description / PDF Quantity Rfq
MS3475W16-8PX-LC

MS3475W16-8PX-LC

PEI-Genesis

CONN PLG HSG MALE 8POS INLINE

362

D38999/20KD35AN

D38999/20KD35AN

PEI-Genesis

AE3 37C 37#22D PIN RECP

84

D38999/20KB5SA-LC

D38999/20KB5SA-LC

PEI-Genesis

AE3 5C 5#20 SKT RECP

2

D38999/26WG16PA-LC

D38999/26WG16PA-LC

PEI-Genesis

AE3 16C 16#16 PIN PLUG

102

AE556L18-5SW-LC

AE556L18-5SW-LC

PEI-Genesis

CONN PLG HSG FMALE 3POS INLINE

6

AE551W20-15S-LC

AE551W20-15S-LC

PEI-Genesis

CONN RCPT HSG FMALE 7POS INLINE

12

AE83377R16247-LC

AE83377R16247-LC

PEI-Genesis

AE8 24C 24#20 SKT PLUG

8

21038214505

21038214505

HARTING

CONN PLG HSG FMALE 5POS ANG

10

MS27473T8B98B

MS27473T8B98B

PEI-Genesis

AE2 3C 3#20 SKT PLUG

22

PX0410/08S/4550

PX0410/08S/4550

Bulgin

CONN PLG HSG FMALE 8POS INLINE

0

AE156T13F4P-LC

AE156T13F4P-LC

PEI-Genesis

CONN RCPT HSG MALE 4POS PNL MNT

6

AE556L16S-5PW-LC

AE556L16S-5PW-LC

PEI-Genesis

CONN PLG HSG MALE 3POS INLINE

20

AE320KD35PN-LC

AE320KD35PN-LC

PEI-Genesis

CONN RCPT HSG MALE 37POS PNL MT

84

MS3470W16-14SW-LC

MS3470W16-14SW-LC

PEI-Genesis

CONN RCPT HSG FMALE 14POS INLINE

60

AE770W12-10PZ-LC

AE770W12-10PZ-LC

PEI-Genesis

CONN RCPT HSG MALE 10POS INLINE

108

MS3450W32-1P-LC

MS3450W32-1P-LC

PEI-Genesis

CONN RCP HSG ML 5P INLINE PNL MT

34

M83723/95R2461N-LC

M83723/95R2461N-LC

PEI-Genesis

AE8 61C 61#20 SKT PLUG

55

MS3476W24-31S-LC

MS3476W24-31S-LC

PEI-Genesis

CONN PLG HSG FMALE 31POS INLINE

95

M83723/95G10026-LC

M83723/95G10026-LC

PEI-Genesis

AE8 2C 2#20 SKT PLUG

0

MS27508E8F98P-LC

MS27508E8F98P-LC

PEI-Genesis

CONN RCPT HSG MALE 3POS PNL MNT

106

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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