Terminal Blocks - Headers, Plugs and Sockets

Part Number	Description / PDF	Quantity
TS07315A0000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 7POS 3.81MM	2168
TJ0731530000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 7POS STR 3.81MM	0
VK0672500000G Anytek (Amphenol Anytek)	TERM BLOCK HDR 6POS 45DEG 5MM	0
VK0431500000G Anytek (Amphenol Anytek)	TERM BLOCK HDR 4POS 45DEG 3.81MM	617
VK0471500000G Anytek (Amphenol Anytek)	TERM BLOCK HDR 4POS 45DEG 5MM	0
TJ0631530000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 6POS STR 3.81MM	3544
VC0201510000G Anytek (Amphenol Anytek)	TERM BLOCK HDR 2POS VERT 7.62MM	0
TJ1251560000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 12POS STR 5.08MM	1836
VC0300510000G Anytek (Amphenol Anytek)	TERM BLOCK HDR 3POS VERT 7.62MM	1190
TJ0571560000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 5POS STR 5MM	0
HW1070520000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 10POS STR 5MM	0
OQ0454510000G Anytek (Amphenol Anytek)	TERM BLOCK HDR 4POS 90DEG 5.08MM	0
TS08715A0000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 8POS 90DEG 5MM	1127
TJ0271500000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 2POS STR 5MM	1901
VM0855500000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 8POS STR 5.08MM	450
OQ0475510000G Anytek (Amphenol Anytek)	TERM BLOCK HDR 4POS 90DEG 5MM	1430
TJ1651560000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 16POS STR 5.08MM	918
OQ0271500000G Anytek (Amphenol Anytek)	TERM BLOCK HDR 2POS VERT 5MM	0
TS06715B0000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 6POS 270DEG 5MM	0
TS10315C0000G Anytek (Amphenol Anytek)	TERM BLOCK PLUG 10POS 3.81MM	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