Circular Connectors - Adapters

Image Part Number Description / PDF Quantity Rfq
PTB-22-55PSW

PTB-22-55PSW

Amphenol Industrial

CONN ADAPTER 55P-55P F-M PNL MNT

0

TBF-28-51PS

TBF-28-51PS

Amphenol Industrial

CONN ADAPTER 12P-12P F-M PNL MNT

0

TBF14S-5PSX

TBF14S-5PSX

VEAM

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

0

PTB14-18PSW

PTB14-18PSW

Amphenol Industrial

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

0

TBF28-20PS

TBF28-20PS

VEAM

CONN ADAPTER 14P-14P F-M PNL MNT

0

SPB-16-26PS

SPB-16-26PS

Amphenol Industrial

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

0

KPTB12-8PSX

KPTB12-8PSX

VEAM

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

122

1300350064

1300350064

Woodhead - Molex

MC 5P TEE PASSIVE

0

1200895003

1200895003

Woodhead - Molex

Y SPLITTER

0

KPTB14-15PSY

KPTB14-15PSY

VEAM

CONN ADAPTER 15P-15P F-M PNL MNT

23

1300680074

1300680074

Woodhead - Molex

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

0

SWH.1S.306.CLLPV

SWH.1S.306.CLLPV

REDEL / LEMO

CONN ADPT 6P-6P F/M-F/M PNL MNT

0

SS-050505-MMM-TS001

SS-050505-MMM-TS001

LTW (Amphenol LTW)

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

0

TBF22-22PSY

TBF22-22PSY

VEAM

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

0

1205040001

1205040001

Woodhead - Molex

SPL M12 YS 4P TC MAFE UNSH

0

TBF14S-2PS-B-VS3

TBF14S-2PS-B-VS3

VEAM

CIRCULAR

0

21033816401

21033816401

HARTING

CONN GENDER CHANGER 4P-4P F-F

20

00560090

00560090

Wickmann / Littelfuse

ADAPTER 12V-S13/P7-S

0

TBF-18-4PS

TBF-18-4PS

Amphenol Industrial

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

0

1300350031

1300350031

Woodhead - Molex

MC 6P ESTOP-OUT TEE SPCL BLACK

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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