Circular Connectors - Adapters

Image Part Number Description / PDF Quantity Rfq
SPB-18-32PS

SPB-18-32PS

Amphenol Industrial

CONN ADAPTER 32P-32P F-M PNL MNT

0

1300680040

1300680040

Woodhead - Molex

QC 3P TEE W/MINI DROP 2M

0

AA-040404-MMM-TL001

AA-040404-MMM-TL001

LTW (Amphenol LTW)

MINI T ADAPTER

0

TBF-20-18PS

TBF-20-18PS

Amphenol Industrial

CONN ADAPTER 9P-9P F-M PNL MNT

0

1200895019

1200895019

Woodhead - Molex

Y SPLITTER M8 MALE TO (2X) M8 FE

0

TBF28A51PS

TBF28A51PS

VEAM

CONN ADAPTER 43P-43P F-M PNL MNT

0

1300130255

1300130255

Woodhead - Molex

CONN ADAPTER 3P-3P F-M PNL MNT

1

PTB22-21PSX

PTB22-21PSX

Amphenol Industrial

CONN ADAPTER 21P-21P F-M PNL MNT

0

43-05117

43-05117

CONEC

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

0

SWH.0S.303.CLLPV

SWH.0S.303.CLLPV

REDEL / LEMO

CONN ADPT 3P-3P F/M-F/M PNL MNT

0

SS-080808-MFF-TS001

SS-080808-MFF-TS001

LTW (Amphenol LTW)

CONN T-ADPT 8P-8/8P M-F/F INLINE

0

SS-050505-MFF-TS001

SS-050505-MFF-TS001

LTW (Amphenol LTW)

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

0

1300680032

1300680032

Woodhead - Molex

QC 3P TEE W/MC 3P FP #14/3 2M

0

TBF24-28PSX

TBF24-28PSX

VEAM

CONN ADAPTER 24P-24P F-M PNL MNT

0

TBFH2812PS110

TBFH2812PS110

VEAM

CONN ADAPTER 26P-26P F-M PNL MNT

0

TBF-16-10PS

TBF-16-10PS

Amphenol Industrial

CONN ADAPTER 3P-3P F-M PNL MNT

0

PTB-18-30PSX

PTB-18-30PSX

Amphenol Industrial

CONN ADAPTER 30P-30P F-M PNL MNT

0

PTB-20-24PS

PTB-20-24PS

Amphenol Industrial

CONN ADAPTER 24P-24P F-M PNL MNT

0

TBF28-22PS-B-05

TBF28-22PS-B-05

VEAM

CONN ADAPTER 6P-6P F-M PNL MNT

0

SGJ.2B.319.CLLPV

SGJ.2B.319.CLLPV

REDEL / LEMO

CONN ADAPTER 19P-19P F-M PNL MNT

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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