Circular Connectors

Image Part Number Description / PDF Quantity Rfq
UCOM-10G+ PTSUB

UCOM-10G+ PTSUB

Socapex (Amphenol Pcd)

CONN PLUG MALE 8P GOLD SLDR CUP

0

62GB12E1006PN

62GB12E1006PN

Socapex (Amphenol Pcd)

CONN RCPT MALE 6POS GOLD

0

TV07UCOMUSB3SW11SF312

TV07UCOMUSB3SW11SF312

Socapex (Amphenol Pcd)

CONN RCPT FMALE 8POS SOLDER CUP

10

UCOM-10G+ LCUB

UCOM-10G+ LCUB

Socapex (Amphenol Pcd)

CONN RCPT FMALE 8POS GOLD CRIMP

0

UCOMUSB3PPSBB

UCOMUSB3PPSBB

Socapex (Amphenol Pcd)

CONN PLUG MALE 8POS SOLDER CUP

10

TV07UCOMCIF11SF059

TV07UCOMCIF11SF059

Socapex (Amphenol Pcd)

CONN RCPT FMALE 8POS GOLD SOLDER

25

SJS860501

SJS860501

Socapex (Amphenol Pcd)

CONN RCPT MALE 5POS GOLD CRIMP

22

SJS820111

SJS820111

Socapex (Amphenol Pcd)

CONN PLUG FMALE 3POS GOLD CRIMP

0

SCE2-B-76A06-07SN-002

SCE2-B-76A06-07SN-002

Socapex (Amphenol Pcd)

CONN PLUG FMALE 7P GOLD SLDR CUP

0

SJS870511

SJS870511

Socapex (Amphenol Pcd)

CONN PLUG MALE 5POS GOLD CRIMP

0

SJS831201

SJS831201

Socapex (Amphenol Pcd)

CONN RCPT MALE 8POS GOLD CRIMP

0

UCOM-10G+ LCGB

UCOM-10G+ LCGB

Socapex (Amphenol Pcd)

CONN RCPT FMALE 8POS GOLD CRIMP

0

SJS720211

SJS720211

Socapex (Amphenol Pcd)

CONN RCPT MALE 1POS GOLD CRIMP

0

UCOM10G+RSU

UCOM10G+RSU

Socapex (Amphenol Pcd)

CONN RCPT FMALE 8P GOLD SLDR CUP

0

SJS816101

SJS816101

Socapex (Amphenol Pcd)

CONN PLUG FMALE 3POS GOLD CRIMP

0

SJS860201

SJS860201

Socapex (Amphenol Pcd)

CONN RCPT MALE 9POS GOLD CRIMP

0

SCE2-B-L1K10-37PN

SCE2-B-L1K10-37PN

Socapex (Amphenol Pcd)

CONN RCPT MALE 37P GOLD SLDR CUP

0

SCE2-B-76A07-12SN-001

SCE2-B-76A07-12SN-001

Socapex (Amphenol Pcd)

CONN PLUG FMALE 12POS GOLD SLDR

0

UCOMUSB3LCBB

UCOMUSB3LCBB

Socapex (Amphenol Pcd)

CONN RCPT FMALE 8POS CRIMP

10

UCOM-10G+ PTCBB

UCOM-10G+ PTCBB

Socapex (Amphenol Pcd)

CONN PLUG MALE 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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