Terminal Blocks - Headers, Plugs and Sockets

Image Part Number Description / PDF Quantity Rfq
EDZ1710/14

EDZ1710/14

On-Shore Technology, Inc.

TERM BLOCK PLUG 14POS 3.81MM

0

EDSTLZ990/12

EDSTLZ990/12

On-Shore Technology, Inc.

TERM BLOCK HDR 12POS 5.08MM

0

OSTOQ101251

OSTOQ101251

On-Shore Technology, Inc.

TERM BLOCK HDR 10POS 90DEG 3.5MM

154

EDSTLZ1555/12

EDSTLZ1555/12

On-Shore Technology, Inc.

TERM BLOCK HDR 12POS VERT 3.81MM

494

OSTOQ0254501

OSTOQ0254501

On-Shore Technology, Inc.

TERM BLOCK HDR 2POS VERT 5.08MM

0

OSTTS03315B

OSTTS03315B

On-Shore Technology, Inc.

TERM BLOCK PLUG 3POS 3.81MM

1379

EDZ960/9

EDZ960/9

On-Shore Technology, Inc.

TERM BLOCK PLUG 9POS STR 7.62MM

0

EDZ1550/9

EDZ1550/9

On-Shore Technology, Inc.

TERM BLOCK PLUG 9POS STR 3.81MM

274

EDZ1700/7

EDZ1700/7

On-Shore Technology, Inc.

TERM BLOCK PLUG 7POS 3.81MM

0

EDSTL951/8

EDSTL951/8

On-Shore Technology, Inc.

TERM BLOCK HDR 8POS 90DEG 5MM

0

OSTTS08315A

OSTTS08315A

On-Shore Technology, Inc.

TERM BLOCK PLUG 8POS 3.81MM

116

ED950/9

ED950/9

On-Shore Technology, Inc.

TERM BLOCK PLUG 9POS STR 5MM

0

EDZ1710/6

EDZ1710/6

On-Shore Technology, Inc.

TERM BLOCK PLUG 6POS 3.81MM

311

OSTOQ053250

OSTOQ053250

On-Shore Technology, Inc.

TERM BLOCK HDR 5POS VERT 3.81MM

4139

OSTTJ0931530

OSTTJ0931530

On-Shore Technology, Inc.

TERM BLOCK PLUG 9POS STR 3.81MM

1423

ED1100/2

ED1100/2

On-Shore Technology, Inc.

TERM BLOCK PLUG 2POS 90DEG 5MM

934

EDZ1700/3

EDZ1700/3

On-Shore Technology, Inc.

TERM BLOCK PLUG 3POS 3.81MM

0

EDSTL956/10

EDSTL956/10

On-Shore Technology, Inc.

TERM BLOCK HDR 10POS VERT 5MM

0

EDSTLZ950/11

EDSTLZ950/11

On-Shore Technology, Inc.

TERM BLOCK HDR 11POS 5.08MM

0

EDSTLZ951/4

EDSTLZ951/4

On-Shore Technology, Inc.

TERM BLOCK HDR 4POS 90DEG 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