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/Categories/Connectors Interconnects/Barrier Blocks

Barrier Blocks

6193 products

In real hardware assemblies, PCBs rarely operate in isolation. Power, signals, and communication lines must move between boards, external modules, and system backplanes. If connections rely on loose wiring or non-standard interfaces, they can introduce signal loss, mechanical instability, and assembly variation. Over time, vibration, temperature cycling, and repeated servicing can weaken these connections. Board connectors solve this by providing a structured, repeatable electrical interface directly on the PCB.

ImagePart Number / ManufacturerDescription / SpecsMOQDatasheetRFQ
0387390623
0387390623
Manufacturer: Molex
Category: Barrier Blocks
SR BTS FT 4C50AC ASSY
1
0387356604
0387356604
Manufacturer: Molex
Category: Barrier Blocks
CONN BARRIER STRIP 4CIRC 0.438"
1
0386390033
0386390033
Manufacturer: Molex
Category: Barrier Blocks
CONN BARRIER STRIP 5CIRC 0.438"
1
3240185
3240185
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240183
3240183
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240182
3240182
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240181
3240181
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240179
3240179
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240178
3240178
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240177
3240177
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240176
3240176
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240174
3240174
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240173
3240173
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240170
3240170
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
3240169
3240169
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN TERM STRIP 12CIRCUIT
1
2701573
2701573
Manufacturer: Phoenix Contact
Category: Barrier Blocks
CONN BARRIER STRIP 1CIRCUIT
1
0390070264
0390070264
Manufacturer: Molex
Category: Barrier Blocks
TERM BLOCK MSG STR 3 PL 5.08MM
1
0387890242
0387890242
Manufacturer: Molex
Category: Barrier Blocks
CB BTS FT 4 ASY 10A
1
0387890205
0387890205
Manufacturer: Molex
Category: Barrier Blocks
CB BTS FT 6 ASY
1
0387890154
0387890154
Manufacturer: Molex
Category: Barrier Blocks
CB BTS SEMS 15 ASY
1
Showing 1-20 of 6193 results

Applications of Board Connectors

  • Industrial automation control boards and expansion modules
  • Embedded processor and carrier board connections
  • Automotive electronic control units and subsystems
  • Telecom and networking equipment backplane connections
  • Medical electronics and diagnostic equipment
  • Consumer electronics with modular PCB assemblies
  • Data acquisition and signal interface modules

Key Technical Specifications

  • Contact pitch and pin count
  • Current and voltage rating
  • Signal integrity and impedance characteristics
  • Mechanical retention and locking method
  • Connector mating cycle life
  • Operating temperature and environmental rating
  • PCB mounting style and soldering method

Types of Board Connectors

  • Board-to-board connectors
  • Wire-to-board connectors
  • Backplane connectors
  • High-speed signal board connectors
  • High-current power board connectors

Lifecycle and Replacement Considerations

Board connectors are usually selected early during PCB layout and mechanical design because board spacing, signal routing, and enclosure design depend on them. When a connector reaches end-of-life, finding a drop-in replacement can be difficult. Differences in footprint, height, or pin layout may require PCB redesign and mechanical validation.

This is common in industrial automation, telecom infrastructure, and embedded computing equipment where products remain in operation for many years. Maintenance teams often require the same board connector to maintain compatibility with installed hardware without redesign.

Delays in sourcing compatible board connectors can result in production delays, increased maintenance costs, and system downtime in field deployments.

Maketronics assists global engineering and procurement teams with reliable sourcing of both active and obsolete Board Connectors.

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FAQs

What are board connectors?

Board connectors are electrical connectors mounted on PCBs that enable power, signal, and data transfer between boards, cables, or system modules.

Why are board connectors important in PCB design?

They provide reliable electrical connections, improve assembly consistency, maintain signal integrity, and support modular product architecture.

Where are board connectors commonly used?

They are widely used in industrial automation, telecom equipment, automotive electronics, medical devices, and modular embedded systems.

What should be checked when replacing a board connector?

Verify footprint compatibility, pitch, height, pin layout, current rating, and mechanical locking features to ensure a proper fit and reliable performance.