Terminal Junction Systems

Image Part Number Description / PDF Quantity Rfq
RBGT20-10P15

RBGT20-10P15

Souriau-Sunbank by Eaton

TERM MOD GROUND TRACK 20"

0

S280W555-716

S280W555-716

Souriau-Sunbank by Eaton

CONN RESISTOR MOD

0

S280W555-712

S280W555-712

Souriau-Sunbank by Eaton

RESISTOR MODULE 316 OHM

0

YHLZR-44

YHLZR-44

Souriau-Sunbank by Eaton

CONN RESISTOR MOD 1" L X 0.305"W

0

S280W555-610

S280W555-610

Souriau-Sunbank by Eaton

CONN GRND TRACK 10.000" L

0

S280W555-508

S280W555-508

Souriau-Sunbank by Eaton

CONN GRND TRACK 8.000" L

0

YHLZR-33

YHLZR-33

Souriau-Sunbank by Eaton

CONN RESISTOR MOD 1" L X 0.305"W

0

S280W555-753

S280W555-753

Souriau-Sunbank by Eaton

CONN DIODE MOD RECTIFIER 3A

0

YHMM16-4F50

YHMM16-4F50

Souriau-Sunbank by Eaton

CONN CONTACT 0.656" L

0

S280W555-616

S280W555-616

Souriau-Sunbank by Eaton

CONN GRND TRACK 16.000" L

0

S280W555-705

S280W555-705

Souriau-Sunbank by Eaton

RESISTOR MOD 71.5 OHM 1/4W 1%

0

RBDSC-1P12A

RBDSC-1P12A

Souriau-Sunbank by Eaton

THREADED MOUNTING STUD

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

S280W555-526

S280W555-526

Souriau-Sunbank by Eaton

CONN GRND TRACK 26.000" L

0

S280W555-504

S280W555-504

Souriau-Sunbank by Eaton

CONN GRND TRACK 4.000" L

0

AMY7200T4L72

AMY7200T4L72

Souriau-Sunbank by Eaton

TERMINAL BLOCK TRACK

0

YHMM22-5D28

YHMM22-5D28

Souriau-Sunbank by Eaton

CONN CONTACT TERM BLK 22-24AWG

0

S280W555-502

S280W555-502

Souriau-Sunbank by Eaton

CONN GRND TRACK 2.000" L

0

YHLZG16-7

YHLZG16-7

Souriau-Sunbank by Eaton

CONN GRND BLOCK MD

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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