Circular Connectors

Image Part Number Description / PDF Quantity Rfq
62GB16F1210SN

62GB16F1210SN

Socapex (Amphenol Pcd)

CONN PLUG FMALE 10POS GOLD

0

SCE2-B-L1K07-14PN

SCE2-B-L1K07-14PN

Socapex (Amphenol Pcd)

CONN RCPT MALE 14P GOLD SLDR CUP

0

SCE2-B-76A10-37SN-001

SCE2-B-76A10-37SN-001

Socapex (Amphenol Pcd)

CONN PLUG FMALE 37POS GOLD SLDR

0

SCE2-B-76A07-14SN-002

SCE2-B-76A07-14SN-002

Socapex (Amphenol Pcd)

CONN PLUG FMALE 14P SOLDER CUP

0

SJS860911

SJS860911

Socapex (Amphenol Pcd)

CONN PLUG FMALE 9POS GOLD CRIMP

23

UCOM-10G+ PTCUB

UCOM-10G+ PTCUB

Socapex (Amphenol Pcd)

CONN PLUG MALE 8POS GOLD CRIMP

0

62GB16F1832PN

62GB16F1832PN

Socapex (Amphenol Pcd)

CONN PLUG MALE 32POS GOLD

0

SCE2-B-L1K09-26PN

SCE2-B-L1K09-26PN

Socapex (Amphenol Pcd)

CONN RCPT MALE 26P GOLD SLDR CUP

0

SCE2-B-76A08-19SN-002

SCE2-B-76A08-19SN-002

Socapex (Amphenol Pcd)

CONN PLUG FMALE 19P SOLDER CUP

0

UCOMUSB3LCUB

UCOMUSB3LCUB

Socapex (Amphenol Pcd)

CONN RCPT FMALE 8POS CRIMP

10

TV07UCOMCIF11SF459

TV07UCOMCIF11SF459

Socapex (Amphenol Pcd)

CONN RCPT FMALE 8POS GOLD SOLDER

25

SJS816221

SJS816221

Socapex (Amphenol Pcd)

CONN RCPT MALE 3POS GOLD CRIMP

0

SJS820211

SJS820211

Socapex (Amphenol Pcd)

CONN RCPT MALE 3POS GOLD CRIMP

0

SJS840341

SJS840341

Socapex (Amphenol Pcd)

CONN PLUG FMALE 3POS GOLD CRIMP

0

SJS720201

SJS720201

Socapex (Amphenol Pcd)

CONN RCPT MALE 1POS GOLD CRIMP

0

UCOMUSB3PTCBGA

UCOMUSB3PTCBGA

Socapex (Amphenol Pcd)

CONN PLUG MALE 8POS CRIMP

10

SCE2-B-01K06-07PN

SCE2-B-01K06-07PN

Socapex (Amphenol Pcd)

CONN RCPT MALE 7P GOLD SLDR CUP

0

SJS716111

SJS716111

Socapex (Amphenol Pcd)

CONN PLUG FMALE 1POS GOLD CRIMP

0

UCOM-10G+ PTSBB

UCOM-10G+ PTSBB

Socapex (Amphenol Pcd)

CONN PLUG MALE 8P GOLD SLDR CUP

0

UCOM-10G+ LCBB

UCOM-10G+ LCBB

Socapex (Amphenol Pcd)

CONN RCPT FMALE 8POS GOLD CRIMP

0

Circular Connectors

1. Overview

Circular connectors are multi-pin electrical connectors with circular contact arrangements, designed for reliable signal/power transmission in harsh environments. They feature robust mechanical structures, environmental sealing, and high mating durability. These connectors are critical in aerospace, industrial automation, and medical equipment where vibration resistance and signal integrity are paramount.

2. Main Types & Functional Classification

TypeFunctional CharacteristicsApplication Examples
MIL-DTL-38999High-density, threaded coupling, EMI shieldingAerospace systems, military vehicles
USB Type-CReversible design, 10Gbps data rate, 100W power deliverySmartphones, laptops, PDAs
BNCBayonet locking, 2GHz frequency rangeTest equipment, video systems
LVDT CircularLinear variable differential transformer integrationIndustrial sensors, robotics

3. Structure & Components

Typical construction includes: - Shell: Aluminum alloy/zinc die-cast housing with corrosion-resistant plating - Contacts: Gold-plated phosphor bronze with 0.5-2.0mm diameter - Insulation: High-temperature thermoplastic (200 C rating) - Sealing: IP67/IP68 rated elastomer gaskets - Mounting: Threaded/flange/clamp mechanisms

4. Key Technical Parameters

ParameterTypical RangeImportance
Voltage Rating50V-600VDetermines power transmission capacity
Current Rating1A-25A/contactAffects thermal performance
Contact Resistance 5m Impacts signal integrity
IP RatingIP40-IP68Defines environmental protection level
Operating Temp-65 C to +200 CMaterial stability indicator
Mating Cycles500-10,000Service life predictor

5. Application Fields

  • Aerospace: Flight control systems, satellite antennas
  • Industrial: CNC machines, automated guided vehicles
  • Medical: MRI scanners, patient monitoring systems
  • Telecom: 5G base stations, fiber optic networks
  • Consumer: VR headsets, gaming peripherals

6. Leading Manufacturers

ManufacturerKey ProductsSpecial Features
AmphenolMIL-DTL-38999 seriesComposite materials, EMI filtering
TE ConnectivityDEUTSCH D38999Thermoplastic housing, 2000V dielectric
MolexUSB Type-C 10GbpsShielded twinax design
DelphiAutomotive circular connectorsIP69K rating for EV charging
LemoPush-pull circular seriesSubminiature, 5000+ mating cycles

7. Selection Guidelines

Key considerations: 1. Environmental factors: Temperature extremes, fluid exposure 2. Electrical requirements: Signal type (analog/digital), current load 3. Mechanical constraints: Panel space, mating force limitations 4. Compliance standards: MIL-STD, ISO 6722, RoHS 5. Cost vs. longevity: High-cycle applications justify premium connectors

8. Industry Trends

Emerging developments include: - Miniaturization: 1.0mm contact pitch enabling wearable devices - High-speed transmission: 25Gbps+ differential pairs for industrial IoT - Smart connectors: Integrated sensors for condition monitoring - Material innovation: Graphene-coated contacts reducing resistance - Eco-design: Halogen-free thermoplastics meeting REACH regulations

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