Terminal Junction Systems

Image Part Number Description / PDF Quantity Rfq
SJE020064

SJE020064

Socapex (Amphenol Pcd)

CONN DIODE MOD 1.02" W X 1.17" H

0

TJS312700

TJS312700

Socapex (Amphenol Pcd)

CONN WIRE SPLICE SZ12 1.922" L

0

SJS320700

SJS320700

Socapex (Amphenol Pcd)

CONN WIRE SPLICE SZ20 0.290" DIA

0

SJM020300

SJM020300

Socapex (Amphenol Pcd)

CONN SCKT BLOCK SZ20 0.672" L

0

TJS322701

TJS322701

Socapex (Amphenol Pcd)

CONN WIRE SPLICE SZ22 1.552" L

0

TJSE20518

TJSE20518

Socapex (Amphenol Pcd)

CONN WIRE SPLICE RES SZ20 2"L

0

TJSE20608

TJSE20608

Socapex (Amphenol Pcd)

CONN WIRE SPLICE SERIES I

0

SJE020045

SJE020045

Socapex (Amphenol Pcd)

CONN DIODE MOD 1.02" W X 1.17" H

0

TJSE22709

TJSE22709

Socapex (Amphenol Pcd)

CONN WIRE SPLICE DIODE SZ22

0

TJSE20835

TJSE20835

Socapex (Amphenol Pcd)

CONN WIRE SPLICE RES SZ20 2"L

0

TJSE20331

TJSE20331

Socapex (Amphenol Pcd)

CONN WIRE SPLICE FUSE

0

SJG020101

SJG020101

Socapex (Amphenol Pcd)

CONN GRND BLOCK SZ20 0.740" L

0

SJT516404

SJT516404

Socapex (Amphenol Pcd)

CONN RAIL 8.288" L X 0.885" W

0

SJT520404

SJT520404

Socapex (Amphenol Pcd)

CONN RAIL 10.360" L X 0.885" W

0

TJSE20535

TJSE20535

Socapex (Amphenol Pcd)

CONN WIRE SPLICE FUSE SZ20 2"L

0

SJT510504

SJT510504

Socapex (Amphenol Pcd)

MODULE MOUNTING TRACK, 10 POSITI

0

TJSE20246

TJSE20246

Socapex (Amphenol Pcd)

CONN WIRE SPLICE FUSE

0

TJM122712

TJM122712

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ22 0.850" L

0

SJE020927

SJE020927

Socapex (Amphenol Pcd)

CONN FUSE MOD 1.020" W X 1.17" H

0

BDX016020-2

BDX016020-2

Socapex (Amphenol Pcd)

CONN GRND BLOCK SZ20

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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