Circular Connectors - Housings

Image Part Number Description / PDF Quantity Rfq
D38999/20WD97BA

D38999/20WD97BA

Amphenol Aerospace Operations

CONN RCPT HSG FMALE 12POS PNL MT

119

D38999/24FE8AA

D38999/24FE8AA

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 8POS PNL MNT

129

D38999/20WH53BA

D38999/20WH53BA

Amphenol Aerospace Operations

CONN RCPT HSG FMALE 53POS PNL MT

68

D38999/20FG11PN-LC

D38999/20FG11PN-LC

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 11POS PNL MT

137

D38999/24FD97SN-LC

D38999/24FD97SN-LC

Amphenol Aerospace Operations

CONN RCPT HSG FMALE 12POS PNL MT

564

D38999/20FJ4BE

D38999/20FJ4BE

Amphenol Aerospace Operations

CONN RCPT HSG FMALE 56POS PNL MT

0

D38999/26WE35SNLC

D38999/26WE35SNLC

Amphenol Aerospace Operations

CONN PLG HSG FMALE 55POS INLINE

53

D38999/20FF35PN-LC

D38999/20FF35PN-LC

Amphenol Aerospace Operations

CONN RCPT HSG MALE 66POS PNL MT

219

D38999/20FE26AA

D38999/20FE26AA

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 26POS PNL MT

155

D38999/20FJ11BE

D38999/20FJ11BE

Amphenol Aerospace Operations

CONN RCPT HSG FMALE 11POS PNL MT

0

D38999/26WF11PA-LC

D38999/26WF11PA-LC

Amphenol Aerospace Operations

CONN PLUG HSG MALE 11POS INLINE

251

D38999/24FJ8PN-LC

D38999/24FJ8PN-LC

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 8POS PNL MT

0

D38999/24FJ37PN-LC

D38999/24FJ37PN-LC

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 37POS PNL MT

0

D38999/20FC4BA

D38999/20FC4BA

Amphenol Aerospace Operations

CONN RCPT HSNG FMALE 4POS PNL MT

160

D38999/26WD35PNLC

D38999/26WD35PNLC

Amphenol Aerospace Operations

CONN PLUG HSG MALE 37POS INLINE

27

D38999/24FB98AN

D38999/24FB98AN

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 6POS PNL MNT

168

D38999/24WF11PN-LC

D38999/24WF11PN-LC

Amphenol Aerospace Operations

CONN RCPT HSNG MALE 11POS PNL MT

213

D38999/26WB5PNLC

D38999/26WB5PNLC

Amphenol Aerospace Operations

CONN PLUG HSNG MALE 5POS INLINE

100

D38999/26ZE26SB-LC

D38999/26ZE26SB-LC

Amphenol Aerospace Operations

CONN PLUG HSG FMALE 26POS INLINE

4

D38999/20FJ35PE-LC

D38999/20FJ35PE-LC

Amphenol Aerospace Operations

CONN RCPT HSG MALE 128POS PNL MT

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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