Terminal Junction Systems

Image Part Number Description / PDF Quantity Rfq
TJM122601

TJM122601

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ22 0.850" L

0

SJG022200

SJG022200

Socapex (Amphenol Pcd)

CONN GRND BLOCK SZ22 0.740" L

0

TJM120612

TJM120612

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ20 0.850" L

0

TJM220609

TJM220609

Socapex (Amphenol Pcd)

CONN FEEDTHRU MOD SZ20 0.850" L

0

TJM116606

TJM116606

Socapex (Amphenol Pcd)

CONN FEEDBACK MOD SZ16 0.850" L

0

1-592629-5

1-592629-5

TE Connectivity Aerospace Defense and Marine

CONN FEEDBACK MOD SZ21 0.390"L

0

CTJ122E05E-513 [V0A1]

CTJ122E05E-513 [V0A1]

TE Connectivity DEUTSCH Connectors

MODULE ASSY

0

SJT504104

SJT504104

Socapex (Amphenol Pcd)

CONN RAIL 2.072" L X 0.885" W

0

SJG022101

SJG022101

Socapex (Amphenol Pcd)

CONN GRND BLOCK SZ22 0.740" L

0

YHLZG16-1

YHLZG16-1

Souriau-Sunbank by Eaton

CONN GRND BLOCK BUS BODY ASSEM

0

RBDSC-2

RBDSC-2

Souriau-Sunbank by Eaton

CONN SWITCH MOD

0

1-591651-7

1-591651-7

TE Connectivity Aerospace Defense and Marine

CONN RAIL MOD SZ20 3.000" L

0

S280W555-526

S280W555-526

Souriau-Sunbank by Eaton

CONN GRND TRACK 26.000" L

0

TJSE20550

TJSE20550

Socapex (Amphenol Pcd)

CONN WIRE SPLICE RES SZ20 2"L

0

CTJ-3A-06 [V003]

CTJ-3A-06 [V003]

TE Connectivity DEUTSCH Connectors

RAIL ASSY

0

TJSE20817

TJSE20817

Socapex (Amphenol Pcd)

CONN WIRE SPLICE RES SZ20 2"L

0

CTJ720E01B-6144

CTJ720E01B-6144

TE Connectivity DEUTSCH Connectors

MODULE ASSY

0

TJT701005

TJT701005

Socapex (Amphenol Pcd)

CONN RAIL 3.341" L X 1.12" W

0

591621-5

591621-5

TE Connectivity Aerospace Defense and Marine

CONN RAIL 3.341" L

0

CTJ-3A-04

CTJ-3A-04

TE Connectivity DEUTSCH Connectors

RAIL ASSY

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