Circular Connectors - Adapters

Image Part Number Description / PDF Quantity Rfq
1300350061

1300350061

Woodhead - Molex

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

1

1200688009

1200688009

Woodhead - Molex

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

4

1300350071

1300350071

Woodhead - Molex

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

2

1300680079

1300680079

Woodhead - Molex

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

4

1300350085

1300350085

Woodhead - Molex

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

16

1300680069

1300680069

Woodhead - Molex

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

2

1300350068

1300350068

Woodhead - Molex

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

4

1300350060

1300350060

Woodhead - Molex

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

1

1200680137

1200680137

Woodhead - Molex

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

7

0845860017

0845860017

Woodhead - Molex

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

13

1300180217

1300180217

Woodhead - Molex

CONN T-ADPT 3P-3/3P F-F/M INLINE

2

1300680019

1300680019

Woodhead - Molex

CONN GENDER CHANGER 4P-4P F-M

0

1200680228

1200680228

Woodhead - Molex

CONN Y-ADPT 4P-3/3P M-F/F INLINE

1

1200170003

1200170003

Woodhead - Molex

CONN ADAPTER 4P-4P F-M INLINE

30

1300680110

1300680110

Woodhead - Molex

CONN ADAPTER 3P-3P F-M INLINE

2

1201010001

1201010001

Woodhead - Molex

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

88

1200685107

1200685107

Woodhead - Molex

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

47

1200890031

1200890031

Woodhead - Molex

CONN Y-ADPT 4P-3/3P M-F/F INLINE

22

1300390341

1300390341

Woodhead - Molex

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

16

1200700237

1200700237

Woodhead - Molex

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

4

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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