Circular Connectors - Adapters

Image Part Number Description / PDF Quantity Rfq
PTB-20-27PS(023)

PTB-20-27PS(023)

Amphenol Industrial

CONN ADAPTER 27P-27P F-M PNL MNT

0

TBF28A51PSB05

TBF28A51PSB05

VEAM

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

0

KPTB12-8PSY

KPTB12-8PSY

VEAM

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

122

TBF28-12PSY

TBF28-12PSY

VEAM

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

0

TBF36-5PS

TBF36-5PS

VEAM

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

0

TBF-40-57PS

TBF-40-57PS

Amphenol Industrial

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

0

AC3M3MBW

AC3M3MBW

Tuchel / Amphenol

CONN ADAPTER 3P-3P M-M INLINE

0

1300680081

1300680081

Woodhead - Molex

QC 4P TEE W/4P MC DROP #14 DK

0

805-066-07NF11-19SPA

805-066-07NF11-19SPA

Powell Electronics

MIGHTY MOUSE CONNECONNECTOR

3

10-107418-10

10-107418-10

Amphenol Industrial

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

0

KPTB16-26PSY

KPTB16-26PSY

VEAM

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

13

TBF24-9PSW

TBF24-9PSW

VEAM

CONN ADAPTER 2P-2P F-M PNL MNT

1

1300680050

1300680050

Woodhead - Molex

QC 3P TEE W/3P MC DROP #14 DK

0

SJG.2B.316.CLAPV

SJG.2B.316.CLAPV

REDEL / LEMO

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

0

1300680039

1300680039

Woodhead - Molex

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

0

CB9-20-14PS

CB9-20-14PS

VEAM

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

0

TBF28-5PSB-05

TBF28-5PSB-05

VEAM

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

0

TBF28-21PS

TBF28-21PS

VEAM

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

0

TBF28-11PSZ

TBF28-11PSZ

VEAM

CONN ADAPTER 22P-22P F-M PNL MNT

0

KPTB16-26PS

KPTB16-26PS

VEAM

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

13

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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