Terminal Blocks - Headers, Plugs and Sockets

Image Part Number Description / PDF Quantity Rfq
EDSTL956/8

EDSTL956/8

On-Shore Technology, Inc.

TERM BLOCK HDR 8POS VERT 5MM

0

OSTV8083150

OSTV8083150

On-Shore Technology, Inc.

TERM BLOCK PLUG 8POS STR 3.81MM

0

OSTTS02515A

OSTTS02515A

On-Shore Technology, Inc.

TERM BLOCK PLUG 2POS 5.08MM

13082

OSTTJ1011530

OSTTJ1011530

On-Shore Technology, Inc.

TERM BLOCK PLUG 10POS STR 3.5MM

1252

OSTOQ145450

OSTOQ145450

On-Shore Technology, Inc.

TERM BLOCK HDR 14POS VERT 5.08MM

5442

EDSTL130/11

EDSTL130/11

On-Shore Technology, Inc.

TERM BLOCK HDR 11POS VERT 5MM

432

EDZ951/8

EDZ951/8

On-Shore Technology, Inc.

TERM BLOCK PLUG 8POS STR 5.08MM

24

OSTTS05515B

OSTTS05515B

On-Shore Technology, Inc.

TERM BLOCK PLUG 5POS 5.08MM

759

EDSTLZ1555/5

EDSTLZ1555/5

On-Shore Technology, Inc.

TERM BLOCK HDR 5POS VERT 3.81MM

207

OSTTJ0231530

OSTTJ0231530

On-Shore Technology, Inc.

TERM BLOCK PLUG 2POS STR 3.81MM

24762

ED951/8

ED951/8

On-Shore Technology, Inc.

TERM BLOCK PLUG 8POS STR 5MM

0

EDSTL950/16

EDSTL950/16

On-Shore Technology, Inc.

TERM BLOCK HDR 16POS 90DEG 5MM

50

OSTOQ163251

OSTOQ163251

On-Shore Technology, Inc.

TERM BLOCK HDR 16POS 3.81MM

0

OSTTS03515A

OSTTS03515A

On-Shore Technology, Inc.

TERM BLOCK PLUG 3POS 5.08MM

29

EDZ950/16

EDZ950/16

On-Shore Technology, Inc.

TERM BLOCK PLUG 16POS STR 5.08MM

741

EDZ1710/3

EDZ1710/3

On-Shore Technology, Inc.

TERM BLOCK PLUG 3POS 3.81MM

205

ED950/20

ED950/20

On-Shore Technology, Inc.

TERM BLOCK PLUG 20POS STR 5MM

0

ED950/16

ED950/16

On-Shore Technology, Inc.

TERM BLOCK PLUG 16POS STR 5MM

23

OSTVF045051

OSTVF045051

On-Shore Technology, Inc.

TERM BLOCK HDR 4POS 90DEG 5.08MM

130

OSTTJ020150

OSTTJ020150

On-Shore Technology, Inc.

TERM BLOCK PLUG 2POS STR 7.62MM

9046

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