Terminal Blocks - Headers, Plugs and Sockets

Image Part Number Description / PDF Quantity Rfq
OSTOQ150051

OSTOQ150051

On-Shore Technology, Inc.

TERM BLOCK HDR 15POS 7.62MM

0

OSTVL203251

OSTVL203251

On-Shore Technology, Inc.

TERM BLOCK HDR 20POS 3.81MM

0

OSTOQ08A050

OSTOQ08A050

On-Shore Technology, Inc.

TERM BLOCK HDR 8POS VERT 7.5MM

0

OSTVR025150

OSTVR025150

On-Shore Technology, Inc.

TERM BLOCK PLUG 2POS STR 5.08MM

0

OSTV7153150

OSTV7153150

On-Shore Technology, Inc.

TERM BLOCK HDR 15POS VERT 3.81MM

0

OSTEM05A152

OSTEM05A152

On-Shore Technology, Inc.

TERM BLOCK PLUG 5POS 7.5MM

0

OSTTT060180

OSTTT060180

On-Shore Technology, Inc.

TERM BLOCK PLUG 6POS 90DEG 5MM

0

OSTV7203101

OSTV7203101

On-Shore Technology, Inc.

TERM BLOCK HDR 20POS 3.81MM

0

OSTOQ097150

OSTOQ097150

On-Shore Technology, Inc.

TERM BLOCK HDR 9POS VERT 5MM

0

OSTVM073550

OSTVM073550

On-Shore Technology, Inc.

TERM BLOCK PLUG 7POS STR 3.81MM

0

EDZ1710/20

EDZ1710/20

On-Shore Technology, Inc.

TERM BLOCK PLUG 20POS 3.81MM

0

OSTVK157150

OSTVK157150

On-Shore Technology, Inc.

TERM BLOCK HDR 15POS 45DEG 5MM

0

OSTKR240100

OSTKR240100

On-Shore Technology, Inc.

TERM BLOCK PLUG 24POS 90DEG 5MM

0

OSTHW245051

OSTHW245051

On-Shore Technology, Inc.

TERM BLOCK PLUG 24POS STR 5.08MM

0

OSTTS17015D

OSTTS17015D

On-Shore Technology, Inc.

TERM BLOCK PLUG 17POS 7.62MM

0

OSTV7115250

OSTV7115250

On-Shore Technology, Inc.

TERM BLOCK HDR 11POS VERT 5.08MM

0

OSTOQ0454501

OSTOQ0454501

On-Shore Technology, Inc.

TERM BLOCK HDR 4POS VERT 5.08MM

0

OSTHW023050

OSTHW023050

On-Shore Technology, Inc.

TERM BLOCK PLUG 2POS STR 3.81MM

0

OSTOQ193551

OSTOQ193551

On-Shore Technology, Inc.

TERM BLOCK HDR 19POS 3.81MM

0

OSTHW245050

OSTHW245050

On-Shore Technology, Inc.

TERM BLOCK PLUG 24POS STR 5.08MM

0

Terminal Blocks - Headers, Plugs and Sockets

1. Overview

Terminal blocks, headers, plugs, and sockets are essential components in electrical and electronic systems for establishing reliable connections between circuits. These devices enable signal transmission, power distribution, and system modularity. Their standardized designs ensure interoperability, scalability, and ease of maintenance in complex systems.

2. Main Types and Functional Classification

Type Functional Characteristics Application Examples
Terminal Blocks Screw/clamp-based connections for high current/ voltage Industrial control panels, power distribution units
PCB Headers Pin/grid arrays for board-to-board connections Embedded systems, Arduino shields
RJ Connectors Modular jacks for data/telecom signals Ethernet networks (RJ45), telephone systems (RJ11)
D-Sub Connectors Multi-pin trapezoidal shells for analog/digital signals Legacy serial interfaces, industrial sensors
USB Connectors Hot-pluggable interfaces for power/data Consumer electronics, peripheral devices

3. Structure and Components

Typical structures include:

  • Insulating housing (PA66, PBT, or LCP plastics)
  • Contact elements (phosphor bronze, beryllium copper)
  • Plating materials (gold, tin, nickel for corrosion resistance)
  • Actuation mechanisms (screws, spring clamps, or friction fits)
  • EMI shielding layers (for high-frequency applications)

4. Key Technical Specifications

Parameter Importance
Current Rating (A) Determines power handling capacity
Voltage Rating (V) Defines dielectric strength requirements
Contact Resistance (m ) Impacts signal integrity and power loss
Insertion Loss (dB) Critical for high-speed data transmission
Mating Cycles Indicates mechanical durability
Operating Temperature (- C to + C) Defines environmental tolerance

5. Application Fields

Primary industries include:

  • Industrial automation (PLCs, HMIs)
  • Telecommunications (5G base stations, routers)
  • Consumer electronics (smartphones, wearables)
  • Medical equipment (imaging devices, patient monitors)
  • Automotive (EV charging systems, ADAS)

6. Leading Manufacturers and Products

Manufacturer Representative Product
Phoenix Contact COMBICON series terminal blocks
TE Connectivity MICRO MATCH connectors
Molex SL Series headers
Amphenol D-Subminiature connectors
Samtec QTE high-speed socket systems

7. Selection Guidelines

Key considerations:

  • Electrical requirements (current/voltage levels)
  • Mechanical constraints (space, vibration)
  • Environmental factors (temperature, humidity)
  • Signal integrity needs (frequency, noise rejection)
  • Cost vs. reliability trade-offs
  • Compliance with standards (IPC, IEC, UL)

8. Industry Trends

Emerging developments include:

  • Miniaturization for wearable devices
  • High-speed connectors for 5G/6G ( 25 Gbps)
  • Hybrid connectors integrating power/data
  • Eco-friendly materials (halogen-free, RoHS compliant)
  • Smart connectors with built-in sensors
  • Automotive-grade connectors for EVs

RFQ BOM Call Skype Email
Top