Terminal Junction Systems

Image Part Number Description / PDF Quantity Rfq
TJS320601

TJS320601

Socapex (Amphenol Pcd)

CONN WIRE SPLICE SZ20 1.552" L

0

TJT701008

TJT701008

Socapex (Amphenol Pcd)

CONN RAIL 4.511" L X 1.12" W

0

TJSE20243

TJSE20243

Socapex (Amphenol Pcd)

CONN WIRE SPLICE FUSE

0

TJM220608

TJM220608

Socapex (Amphenol Pcd)

CONN FEEDTHRU MOD SZ20 0.850" L

0

TJE120904

TJE120904

Socapex (Amphenol Pcd)

CONN RESISTOR MOD SZ20

0

SJG022170

SJG022170

Socapex (Amphenol Pcd)

CONN GRND BLOCK SZ22 0.580" W

0

TJM122710

TJM122710

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ22 0.850" L

0

TJSE20522

TJSE20522

Socapex (Amphenol Pcd)

CONN WIRE SPLICE RES SZ20 2"L

0

SIM2B24A000

SIM2B24A000

Socapex (Amphenol Pcd)

SIM RECTANGULAR CONNECTOR

0

SJG016170

SJG016170

Socapex (Amphenol Pcd)

CONN GRND BLOCK SZ16 0.740" L

0

TJM216705

TJM216705

Socapex (Amphenol Pcd)

CONN FEEDTHRU MOD SZ16 1.170" L

0

TJSE20344

TJSE20344

Socapex (Amphenol Pcd)

CONN WIRE SPLICE FUSE

0

TJS316700

TJS316700

Socapex (Amphenol Pcd)

CONN WIRE SPLICE SZ16 1.922" L

0

TJM222707

TJM222707

Socapex (Amphenol Pcd)

CONN FEEDTHRU MOD SZ22 0.850" L

0

SJS422701

SJS422701

Socapex (Amphenol Pcd)

SJS DOUBLE SPLICE, SIZE 22

0

SJE020022

SJE020022

Socapex (Amphenol Pcd)

CONN DIODE MOD 1.02" W X 1.17" H

0

TJSE20504

TJSE20504

Socapex (Amphenol Pcd)

CONN WIRE SPLICE DIODE RES SZ20

0

SJT505504

SJT505504

Socapex (Amphenol Pcd)

MODULE MOUNTING TRACK, 5 POSITIO

0

TJSE20524

TJSE20524

Socapex (Amphenol Pcd)

CONN WIRE SPLICE RES SZ20 2"L

0

TJSE22311

TJSE22311

Socapex (Amphenol Pcd)

CONN WIRE SPLICE DIODE

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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