Terminal Junction Systems

Image Part Number Description / PDF Quantity Rfq
TJM116603

TJM116603

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ16 0.850" L

0

TJE120942

TJE120942

Socapex (Amphenol Pcd)

CONN RESISTOR MOD SZ22 0.850"L

0

TJSE20834

TJSE20834

Socapex (Amphenol Pcd)

CONN WIRE SPLICE RES SZ20 2"L

0

TJE120936

TJE120936

Socapex (Amphenol Pcd)

CONN RESISTOR MOD SZ20 0.850" L

0

TJM220702

TJM220702

Socapex (Amphenol Pcd)

CONN FEEDTHRU MOD SZ20 0.850" L

0

SJS322601

SJS322601

Socapex (Amphenol Pcd)

CONN WIRE SPLICE SZ22 1.322" L

0

TJHD22608

TJHD22608

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ22D 0.850" L

0

SJE020016

SJE020016

Socapex (Amphenol Pcd)

CONN DIODE MOD 1.02" W X 1.17" H

0

TJSE20516

TJSE20516

Socapex (Amphenol Pcd)

CONN WIRE SPLICE RES SZ20 2"L

0

TJT703006

TJT703006

Socapex (Amphenol Pcd)

CONN RAIL 3.731" L X 1.12" W

0

TJHD22713

TJHD22713

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ22D 0.850" L

0

TBH120455

TBH120455

Socapex (Amphenol Pcd)

CONN MODULE SZ20 8-2POS

0

SJG522170

SJG522170

Socapex (Amphenol Pcd)

SOCKET GROUND MODULE

0

TJM116703

TJM116703

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ16 0.850" L

0

TJE120952

TJE120952

Socapex (Amphenol Pcd)

CONN DIODE MOD SZ20 0.85" L

0

TJF120100

TJF120100

Socapex (Amphenol Pcd)

GROUND FLANGE MOUNT, SIZE 20, LC

0

SJE020059

SJE020059

Socapex (Amphenol Pcd)

CONN DIODE MOD 1.02" W X 1.17" H

0

TJHD22607

TJHD22607

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ22D 0.850" L

0

SJT502301

SJT502301

Socapex (Amphenol Pcd)

CONN RAIL 1.036" L X 0.885" W

0

TJS312600

TJS312600

Socapex (Amphenol Pcd)

CONN WIRE SPLICE SZ12 1.922" L

0

Terminal Junction Systems

1. Overview

Connectors, interconnects, and terminal junction systems are critical components in electrical and electronic systems, enabling reliable signal and power transmission between devices. These components provide removable or permanent electrical connections while maintaining circuit integrity. Their importance has grown exponentially with advancements in electronics miniaturization, high-speed data transmission, and industrial automation requirements.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Board-to-Board ConnectorsStacking PCBs without cablesSmartphones, industrial control panels
Wire-to-Wire ConnectorsConnecting discrete cablesAutomotive wiring harnesses
I/O ConnectorsExternal device interfacingUSB, HDMI ports
Terminal BlocksConnecting multiple wires permanentlyIndustrial machinery control cabinets
High-Speed BackplanesMulti-gigabit parallel data transmissionTelecom switches, servers

3. Structure and Components

Typical construction includes:

  • Contact elements: Conductive paths made from phosphor bronze or beryllium copper
  • Insulation housing: Thermoplastic materials (e.g., PBT, LCP) with flame-retardant properties
  • Termination system: Crimping, soldering, or insulation displacement contacts (IDC)
  • Environmental seals: Elastomer gaskets for IP protection
  • Actuation mechanisms: Latching systems for secure mating

4. Key Technical Specifications

ParameterImportanceTypical Range
Current RatingDetermines power handling capacity0.1A - 1000A
Contact ResistanceAffects signal integrity1m - 30m
Dielectric Withstanding VoltageSafety insulation level500V - 5kV
Insertion ForceUsability consideration0.5N - 20N
Operating TemperatureEnvironmental reliability-65 C to +200 C

5. Application Areas

Major industries include:

  • Consumer Electronics: Wearables, mobile devices
  • Automotive: EV battery systems, ADAS sensors
  • Industrial Automation: PLC systems, robotics
  • Telecommunications: 5G base stations, fiber optics
  • Aerospace: Avionics, satellite systems
  • Medical: Diagnostic equipment, implantable devices

6. Leading Manufacturers and Products

ManufacturerKey Products
TE ConnectivityMICRO5 USB connectors, DEUTSCH DRC connectors
AmphenolOrccon industrial terminal blocks, TNC series RF connectors
MolexPicoBlade headers, MX150 automotive connectors
Phoenix ContactCOMBICON modular terminal blocks, PROtop series
SamtecSEARAY high-speed arrays, micro pitch connectors

7. Selection Guidelines

Consider:

  • Electrical requirements: Voltage/current specifications
  • Mechanical constraints: Space limitations and mating cycles
  • Environmental conditions: Temperature, vibration, EMI shielding
  • Cost vs. reliability: Military-grade vs. commercial-grade components
  • Industry standards: Compliance with IPC, IEC, or MIL specifications

Case Study: In industrial automation, Phoenix Contact's CLIPLINE terminal blocks were selected for their vibration-resistant spring-cage termination in conveyor control systems.

8. Industry Trends

Emerging developments:

  • Miniaturization: Sub-1.0mm pitch connectors for wearable devices
  • High-speed transmission: 112Gbps differential pairs for 5G infrastructure
  • Hybrid connectors: Integrated power/data transmission (e.g., USB4 Power Delivery)
  • Sustainable materials: Bio-based polymers and lead-free plating
  • Smart connectivity: Embedded sensors for condition monitoring

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