Circular Connectors - Housings

Image Part Number Description / PDF Quantity Rfq
D38999/26KB99AN

D38999/26KB99AN

PEI-Genesis

AE3 7C 7#20 PIN PLUG

26

AE273T12B4PA-LC

AE273T12B4PA-LC

PEI-Genesis

CONN PLG HSG MALE 4POS INLINE

34

MS27466T23B21A

MS27466T23B21A

PEI-Genesis

AE1 21C 21#16 PIN RECP

5

MS27474T8B98P-LC

MS27474T8B98P-LC

PEI-Genesis

CONN RCPT HSG MALE 3POS PNL MNT

96

AE83398S1212N-LC

AE83398S1212N-LC

PEI-Genesis

AE8 12C 12#20 PIN PLUG

0

AE772L24-61S-LC

AE772L24-61S-LC

PEI-Genesis

CONN RCPT HSG FMALE 61POS INLINE

146

AE771L22-21SW-LC

AE771L22-21SW-LC

PEI-Genesis

CONN RCPT HSG FMALE 21POS INLINE

3

MS3454L20-11P-LC

MS3454L20-11P-LC

PEI-Genesis

CONN RCPT HSG MALE 13POS PNL MT

2

MS27513E10F98P-LC

MS27513E10F98P-LC

PEI-Genesis

CONN RCPT HSG MALE 6POS PNL MNT

13

D38999/26ZE99AA

D38999/26ZE99AA

PEI-Genesis

AE3 23C 2#16, 21#20 PIN PLUG

0

AE772L22-41P-LC

AE772L22-41P-LC

PEI-Genesis

CONN RCPT HSG MALE 41POS INLINE

17

AE83374W1412N-LC

AE83374W1412N-LC

PEI-Genesis

AE8 12C 9#20, 3#16 PIN RECP

1

MS3452W12S-3PY-LC

MS3452W12S-3PY-LC

PEI-Genesis

CONN RCP HSG ML 2P INLINE PNL MT

14

AE324ZJ37PA-LC

AE324ZJ37PA-LC

PEI-Genesis

CONN RCPT HSG MALE 37POS PNL MT

2

AE83385W2219N-LC

AE83385W2219N-LC

PEI-Genesis

AE8 19C 19#16 PIN RECP

45

D38999/24KE35PA-LC

D38999/24KE35PA-LC

PEI-Genesis

AE3 55C 55#22D PIN RECP

1

AE320ZF11SN-LC

AE320ZF11SN-LC

PEI-Genesis

CONN RCPT HSG FMALE 11POS PNL MT

9

D38999/26FF35PA-LC

D38999/26FF35PA-LC

PEI-Genesis

AE3 66C 66#22D PIN PLUG

0

AE552W24-2S-LC

AE552W24-2S-LC

PEI-Genesis

CONN RCPT HSG F 7P INLINE PNL MT

13

MS3456KT24-11SY-LC

MS3456KT24-11SY-LC

PEI-Genesis

CONN PLG HSG FMALE 9POS INLINE

7

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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