Terminal Blocks - Headers, Plugs and Sockets

Image Part Number Description / PDF Quantity Rfq
EDZ1700/16

EDZ1700/16

On-Shore Technology, Inc.

TERM BLOCK PLUG 16POS 3.81MM

0

ED1110/16

ED1110/16

On-Shore Technology, Inc.

TERM BLOCK PLUG 16POS 270DEG 5MM

0

EDSTL950/8

EDSTL950/8

On-Shore Technology, Inc.

TERM BLOCK HDR 8POS 90DEG 5MM

70

EDSTLZ950/20

EDSTLZ950/20

On-Shore Technology, Inc.

TERM BLOCK HDR 20POS 5.08MM

0

EDZ1100/14

EDZ1100/14

On-Shore Technology, Inc.

TERM BLOCK PLUG 14POS 5.08MM

165

EDSTLZ1555/9

EDSTLZ1555/9

On-Shore Technology, Inc.

TERM BLOCK HDR 9POS VERT 3.81MM

1002

OSTOQ047151

OSTOQ047151

On-Shore Technology, Inc.

TERM BLOCK HDR 4POS 90DEG 5MM

12279

EDSTLZ956/7

EDSTLZ956/7

On-Shore Technology, Inc.

TERM BLOCK HDR 7POS VERT 5.08MM

0

EDSTLZ965/6

EDSTLZ965/6

On-Shore Technology, Inc.

TERM BLOCK HDR 6POS VERT 7.62MM

0

EDZ1700/14

EDZ1700/14

On-Shore Technology, Inc.

TERM BLOCK PLUG 14POS 3.81MM

0

OSTOQ057151

OSTOQ057151

On-Shore Technology, Inc.

TERM BLOCK HDR 5POS 90DEG 5MM

1977

EDSTLZ965/10

EDSTLZ965/10

On-Shore Technology, Inc.

TERM BLOCK HDR 10POS VERT 7.62MM

0

OSTTJ095153

OSTTJ095153

On-Shore Technology, Inc.

TERM BLOCK PLUG 9POS STR 5.08MM

0

OSTOQ040151

OSTOQ040151

On-Shore Technology, Inc.

TERM BLOCK HDR 4POS 90DEG 7.62MM

95

EDZ1110/2

EDZ1110/2

On-Shore Technology, Inc.

TERM BLOCK PLUG 2POS 5.08MM

142

OSTOQ141551

OSTOQ141551

On-Shore Technology, Inc.

TERM BLOCK HDR 14POS 90DEG 3.5MM

0

EDZ1110/5

EDZ1110/5

On-Shore Technology, Inc.

TERM BLOCK PLUG 5POS 5.08MM

172

EDSTLZ990/4

EDSTLZ990/4

On-Shore Technology, Inc.

TERM BLOCK HDR 4POS 45DEG 5.08MM

0

OSTTS07315B

OSTTS07315B

On-Shore Technology, Inc.

TERM BLOCK PLUG 7POS 3.81MM

0

EDSTLZ955/3

EDSTLZ955/3

On-Shore Technology, Inc.

TERM BLOCK HDR 3POS VERT 5.08MM

562

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