Terminal Junction Systems

Image Part Number Description / PDF Quantity Rfq
SJT502304

SJT502304

Socapex (Amphenol Pcd)

CONN RAIL 1.036" L X 0.885" W

0

SJT515404

SJT515404

Socapex (Amphenol Pcd)

CONN RAIL 7.770" L X 0.885" W

0

TJSE20561

TJSE20561

Socapex (Amphenol Pcd)

CONN WIRE SPLICE DIODE SZ20

0

TJM122705

TJM122705

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ22 0.850" L

0

TJM222708

TJM222708

Socapex (Amphenol Pcd)

CONN FEEDTHRU MOD SZ22 0.850" L

0

TJE120906

TJE120906

Socapex (Amphenol Pcd)

CONN RESISTOR MOD SZ20 0.850" L

0

TJSE20533

TJSE20533

Socapex (Amphenol Pcd)

CONN WIRE SPLICE FUSE DIODE SZ20

0

TJSE20807

TJSE20807

Socapex (Amphenol Pcd)

CONN WIRE SPLICE RES SZ20 2"L

0

TJS316702

TJS316702

Socapex (Amphenol Pcd)

CONN WIRE SPLICE SZ16 1.922" L

0

SJT507404

SJT507404

Socapex (Amphenol Pcd)

CONN RAIL 3.626" L X 0.885" W

0

SJTC08000

SJTC08000

Socapex (Amphenol Pcd)

CONN RAIL 4.144" L X 0.892" W

0

SJM022600

SJM022600

Socapex (Amphenol Pcd)

CONN SCKT BLOCK SZ22 0.672" L

0

SJT532404

SJT532404

Socapex (Amphenol Pcd)

CONN RAIL 16.576" L X 0.885" W

0

TJSE20236

TJSE20236

Socapex (Amphenol Pcd)

CONN WIRE SPLICE FUSE

0

TJSE20551

TJSE20551

Socapex (Amphenol Pcd)

CONN WIRE SPLICE RES SZ20 2"L

0

SJE020919

SJE020919

Socapex (Amphenol Pcd)

CONN RES MOD 1.020" W X 1.170" H

0

SJT530404

SJT530404

Socapex (Amphenol Pcd)

CONN RAIL 15.540" L X 0.885" W

0

SJM000800

SJM000800

Socapex (Amphenol Pcd)

CONN SCKT BLOCK SZ16/20 0.672"L

0

SJG020271

SJG020271

Socapex (Amphenol Pcd)

CONN GRND BLOCK SZ20 0.740" L

0

TJSE20709

TJSE20709

Socapex (Amphenol Pcd)

CONN WIRE SPLICE DIODE SZ20 2"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

RFQ BOM Call Skype Email
Top