Circular Connectors - Housings

Image Part Number Description / PDF Quantity Rfq
D38999/20WD35SN-LC

D38999/20WD35SN-LC

Amphenol Aerospace Operations

CONN RCPT HSG FMALE 37POS PNL MT

534

D38999/20WJ8AB

D38999/20WJ8AB

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 8POS PNL MT

0

D38999/24FE26SA-LC

D38999/24FE26SA-LC

Amphenol Aerospace Operations

CONN RCPT HSG FMALE 26POS PNL MT

253

MS27497T12F35B

MS27497T12F35B

Amphenol Aerospace Operations

JT 22C 22#22D SKT WALL RECP

60

D38999/26KC35SA-LC

D38999/26KC35SA-LC

Amphenol Aerospace Operations

CONN PLUG HSG FMALE 22POS INLINE

33

D38999/20FJ43SE-LC

D38999/20FJ43SE-LC

Amphenol Aerospace Operations

CONN RCPT HSG FMALE 43POS PNL MT

0

D38999/26KJ61SN-LC

D38999/26KJ61SN-LC

Amphenol Aerospace Operations

CONN PLUG HSG FMALE 61POS INLINE

18

D38999/26FJ8AA

D38999/26FJ8AA

Amphenol Aerospace Operations

CONN PLUG HSNG MALE 8POS INLINE

124

D38999/24WA98SNLC

D38999/24WA98SNLC

Amphenol Aerospace Operations

CONN RCPT HSNG FMALE 3POS PNL MT

93

MS27497T12F35A

MS27497T12F35A

Amphenol Aerospace Operations

JT 22C 22#22D PIN WALL RECP

60

D38999/24ZJ20SN-LC

D38999/24ZJ20SN-LC

Amphenol Aerospace Operations

CONN RCPT HSG FMALE 30POS PNL MT

0

D38999/26ZE35BB

D38999/26ZE35BB

Amphenol Aerospace Operations

CONN PLUG HSG FMALE 55POS INLINE

4

D38999/24FD15SA-LC

D38999/24FD15SA-LC

Amphenol Aerospace Operations

CONN RCPT HSG FMALE 15POS PNL MT

9

D38999/20WJ4PB-LC

D38999/20WJ4PB-LC

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 56POS PNL MT

0

D38999/20SD97PN-LC

D38999/20SD97PN-LC

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 12POS PNL MT

32

D38999/26FA35BA

D38999/26FA35BA

Amphenol Aerospace Operations

CONN PLUG HSG FMALE 6POS INLINE

304

D38999/20WB98PA-LC

D38999/20WB98PA-LC

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 6POS PNL MNT

103

D38999/26FJ8AB

D38999/26FJ8AB

Amphenol Aerospace Operations

CONN PLUG HSNG MALE 8POS INLINE

149

MS27497T10B99S-LC

MS27497T10B99S-LC

Amphenol Aerospace Operations

CONN RCPT HSNG FMALE 7POS PNL MT

37

MS27497T12F98P-LC

MS27497T12F98P-LC

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 10POS PNL MT

60

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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