Circular Connectors - Housings

Image Part Number Description / PDF Quantity Rfq
JR21PK-10SC(71)

JR21PK-10SC(71)

Hirose

CONN PLG HSG FMALE 10POS INLINE

0

HR22-12TJD-20PC(73)

HR22-12TJD-20PC(73)

Hirose

CONN JACK HSG ML 20P INLN PNL MT

0

HR34B-12WLPD-10SC

HR34B-12WLPD-10SC

Hirose

CONN PLG HSG FMAL 10PS INLINE RA

5

JR16WR-10PC(31)

JR16WR-10PC(31)

Hirose

CONN RCPT HSG MALE 10POS PNL MT

19

HR10B-10PA-10PC(73)

HR10B-10PA-10PC(73)

Hirose

CONN PLG HSG MALE 11POS INLINE

0

RP17-13R-12SC(71)

RP17-13R-12SC(71)

Hirose

CONN RCPT HSG FMALE 12POS PNL MT

56

HR22-12WTJA-20PC(73)

HR22-12WTJA-20PC(73)

Hirose

CONN JACK HSG ML 20P INLN PNL MT

0

HR10A-10P-10PC(73)

HR10A-10P-10PC(73)

Hirose

CONN PLUG HSG MALE 10POS INLINE

14

HR10A-7P-6SC(73)

HR10A-7P-6SC(73)

Hirose

CONN PLUG HSG FMALE 6POS INLINE

828

HR25-9TJ-20PC(72)

HR25-9TJ-20PC(72)

Hirose

CONN JACK HSG MALE 20POS INLINE

0

HR10A-10P-12SC(73)

HR10A-10P-12SC(73)

Hirose

CONN PLG HSG FMALE 12POS INLINE

14

HR212-10P-10PC(72)

HR212-10P-10PC(72)

Hirose

CONN PLUG HSG MALE 10POS INLINE

0

HR30-7R-10PC(31)

HR30-7R-10PC(31)

Hirose

CONN RCPT HSG MALE 10POS PNL MT

231

HR10A-10J-10SC(73)

HR10A-10J-10SC(73)

Hirose

CONN JCK HSG FMALE 10POS INLINE

51

HR25A-9P-20PC

HR25A-9P-20PC

Hirose

CONN PLUG HSG MALE 20POS INLINE

19

HR10A-7R-4SC(73)

HR10A-7R-4SC(73)

Hirose

CONN RCPT HSNG FMALE 4POS PNL MT

126

HR25A-9P-16PC

HR25A-9P-16PC

Hirose

CONN PLUG HSG MALE 16POS INLINE

0

HR25-9TJ-12PC(72)

HR25-9TJ-12PC(72)

Hirose

CONN JACK HSG MALE 12POS INLINE

0

RP13A-12PG-20SC(71)

RP13A-12PG-20SC(71)

Hirose

CONN PLG HSG FMALE 20POS INLINE

181

JR21PK-10PC(71)

JR21PK-10PC(71)

Hirose

CONN PLUG HSG MALE 10POS INLINE

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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