Circular Connectors - Adapters

Image Part Number Description / PDF Quantity Rfq
900000257

900000257

Lumberg Automation

0906 UTP 314

0

RGJ.3B.318.CLL

RGJ.3B.318.CLL

REDEL / LEMO

CONN ADAPTER 18P-18P F-M PNL MNT

0

10-194440-56

10-194440-56

Amphenol Industrial

CONN ADAPTER 85P-85P F-M PNL MNT

0

511000933

511000933

Lumberg Automation

TAP-PA 3-802/0.5M-R

0

KPTB14-5PSY

KPTB14-5PSY

VEAM

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

23

PTB-18-32PS

PTB-18-32PS

Amphenol Industrial

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

0

TBF-20-15PS

TBF-20-15PS

Amphenol Industrial

CONN ADAPTER 7P-7P F-M PNL MNT

0

AA-000505-0MM-IL001

AA-000505-0MM-IL001

LTW (Amphenol LTW)

MINI I ADAPTER

0

K1FDVA

K1FDVA

Altech Corporation

M8 3 WIRE FEMALE AXIAL CONNECTOR

0

TBF18-12PS

TBF18-12PS

VEAM

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

0

PTB-20-39PSW

PTB-20-39PSW

Amphenol Industrial

CONN ADAPTER 39P-39P F-M PNL MNT

0

TBF18-10PSB05

TBF18-10PSB05

VEAM

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

0

SS-000505-0MM-IS001

SS-000505-0MM-IS001

LTW (Amphenol LTW)

CONN ADAPTER 5P-5P M-M INLINE

0

PTB-14-18PS(014)

PTB-14-18PS(014)

Amphenol Industrial

CONN ADAPTER 18P-18P F-M PNL MNT

0

TBF28-21PSW

TBF28-21PSW

VEAM

CONN ADAPTER 37P-37P F-M PNL MNT

0

SPB-8-4PS

SPB-8-4PS

Amphenol Industrial

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

0

10-107414-7

10-107414-7

Amphenol Industrial

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

0

TBF24-5PSB

TBF24-5PSB

VEAM

CONN ADAPTER 16P-16P F-M PNL MNT

0

TBF-14S-6PS

TBF-14S-6PS

Amphenol Industrial

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

0

TBF-24-28PS

TBF-24-28PS

Amphenol Industrial

CONN ADAPTER 24P-24P 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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