Circular Connectors - Adapters

Image Part Number Description / PDF Quantity Rfq
1300350057

1300350057

Woodhead - Molex

CONN T-ADPT 5P-5/5P F-F/M INLINE

13

1300350090

1300350090

Woodhead - Molex

CONN T-ADPT 5P-5/5P F-F/M INLINE

3

1200680170

1200680170

Woodhead - Molex

CONN T-ADPT 4P-4/4P M-F/F INLINE

2

1200680058

1200680058

Woodhead - Molex

CONN MIC 3P FP 10M 22 SPLITTR DC

4

1300130388

1300130388

Woodhead - Molex

CONN ADAPTER 4P-4P F-M PNL MNT

2

1200688218

1200688218

Woodhead - Molex

CONN T-ADPT 4P-4/4P F-F/M INLINE

79

1300680094

1300680094

Woodhead - Molex

CONN T-ADPT 4P-4/4P F-F/M INLINE

3

1200330001

1200330001

Woodhead - Molex

CONN ADAPTER 4P-4P F-M INLINE

21

1300130541

1300130541

Woodhead - Molex

CONN ADAPTER 5P-5P F-M PNL MNT

7

1200688219

1200688219

Woodhead - Molex

CONN Y-ADPT 4P-4/4P M-F/F INLINE

111

1200680139

1200680139

Woodhead - Molex

CONN Y-ADPT 5P-5/5P M-F/F INLINE

18

1200680229

1200680229

Woodhead - Molex

CONN Y-ADPT 4P-4/4P M-F/F INLINE

20

1200848169

1200848169

Woodhead - Molex

CONN ADAPTER 8P-8P F-M PNL MNT

21

1300350064

1300350064

Woodhead - Molex

MC 5P TEE PASSIVE

0

1200895003

1200895003

Woodhead - Molex

Y SPLITTER

0

1300680074

1300680074

Woodhead - Molex

QC 4P TEE W/MC 4P FP #14/4 0.5M

0

1205040001

1205040001

Woodhead - Molex

SPL M12 YS 4P TC MAFE UNSH

0

1300350031

1300350031

Woodhead - Molex

MC 6P ESTOP-OUT TEE SPCL BLACK

0

1201010002

1201010002

Woodhead - Molex

CONN T-ADPT 5P-5/5P F-M/M INLINE

22

1300680052

1300680052

Woodhead - Molex

QC 3P TEE 3P MC DROP #14 DK

0

Circular Connectors - Adapters

1. Overview

Circular connectors-adapters are electromechanical devices enabling seamless signal/power transmission between components with different interface standards. Defined by IEC 60512 standards, these adapters feature cylindrical housings with multiple contact points, offering critical bridging solutions in complex systems. Their importance spans across aerospace, industrial automation, and medical equipment, where they ensure interoperability while maintaining signal integrity under harsh conditions.

2. Major Types & Functional Classification

TypeFunctional FeaturesApplication Examples
MIL-DTL-5015 AdaptersThreaded coupling, 4-95 contacts, vibration resistanceMilitary communication systems
MIL-DTL-38999 AdaptersHigh-density, environmental sealing (IP67)Aerospace sensor interfaces
USB-C Circular AdaptersHybrid signal/power transmission, reversible designIndustrial IoT devices
BNC-TNC AdaptersBayonet/ threaded coupling, 0-11GHz frequency rangeRF test equipment

3. Structural Composition

Typical construction includes: - Metal housing: Aluminum alloy or stainless steel with plating (nickel/gold) - Contact elements: Phosphor bronze with precision-machined contact areas - Insulation: High-temperature resistant thermoplastics (operating range: -55 C to +200 C) - Sealing system: Multi-lip elastomer gaskets for IP68 protection - Mating interface: Polarized keying system preventing misalignment

4. Key Technical Parameters

ParameterImportance
Current Rating (1-50A)Determines power transmission capacity
Contact Resistance ( 5m )Impacts signal fidelity
Dielectric Withstanding Voltage (500V-5kV)Ensures electrical safety
Insertion Loss ( 0.5dB)Microwave signal integrity
Shock Resistance (50G-150G)Survivability in extreme environments
Durability (500-10,000 mating cycles)Lifecycle cost efficiency

5. Application Fields

Key industries include: - Aerospace: Flight control systems (e.g., Boeing 787 sensor networks) - Industrial Automation: Siemens SIMATIC controllers interconnection - Medical Equipment: MRI machine RF connectors (Philips Ingenia series) - Telecommunications: 5G base station antenna interfaces - Transportation: High-speed train diagnostic systems (Siemens Velaro)

6. Leading Manufacturers

ManufacturerRepresentative Product
Amphenol AerospaceSerie 801 MIL-DTL-38999 Adapter
TE ConnectivityDEUTSCH DT06-6P Adapter
ITT CannonC Series C63EA-20-19P
MolexMX150L Adapter System

7. Selection Guidelines

Key considerations: - Electrical Requirements: Match current/voltage ratings with system needs - Environmental Conditions: Consider temperature range, corrosion resistance - Mechanical Compatibility: Verify thread types (UNF/Metric) and keying - Standard Compliance: MIL-STD-810, ISO 6722 certification - Maintenance Factors: Evaluate ease of field repairability

8. Industry Trend Analysis

Current developments show: - Miniaturization: 30% size reduction in USB-C hybrid adapters - High-speed Data: 40Gbps+ transmission rates in new RF adapters - Smart Integration: Embedded sensors for condition monitoring - Material Innovation: Graphene-coated contacts reducing resistance by 40% - Standardization: Growing adoption of IEC 61076-1 universal interface standard

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