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8-position-wire-to-board-terminal-strips-0-2-spacing

4 min read

Important Note

This entire repo was AI created - including all of the data within. The intent was to A) help me with my personal electronics inventory; and B) see how I could use AI to make that process a bit easier. DO NOT TRUST!

8 Position Wire to Board Terminal Strips 0.2” Spacing

Details

  • Location: Cabinet-5, Bin 38
  • Category: Connectors & Interconnects
  • Brand: Various manufacturers (Molex-style)
  • Model: 8 Position Wire to Board Terminal Strips 0.2” Spacing
  • Package: Individual pieces
  • Quantity: 7
  • Status: Available
  • Price Range: $15-25
  • Reference: Similar to Molex 0395943011 series

Description

These 8-position wire-to-board terminal blocks provide reliable connections between external wires and printed circuit boards. Featuring 0.2-inch (5.08mm) pitch spacing, they are designed for through-hole PCB mounting with horizontal wire entry. Each terminal position includes a screw clamp mechanism for secure wire attachment, making them ideal for industrial control applications, power distribution, and signal connections where reliable, serviceable connections are required.

Specifications

Electrical Characteristics

  • Positions: 8 terminals per block
  • Pitch: 0.2” (5.08mm) center-to-center spacing
  • Current Rating: 15A typical per terminal
  • Voltage Rating: 300V typical
  • Wire Size Range: 12-30 AWG (varies by manufacturer)
  • Contact Resistance: Low resistance for reliable connections
  • Insulation Resistance: High insulation between terminals

Physical Characteristics

  • Mounting: Through-hole PCB mount
  • Wire Entry: Horizontal (side entry)
  • Terminal Type: Screw clamp or rising cage clamp
  • Housing Material: Polyamide (PA66) or similar thermoplastic
  • Contact Material: Brass with tin plating typical
  • Color: Green housing typical (industry standard)
  • Operating Temperature: -40°C to +105°C typical

Key Features

  • 8 independent terminal positions
  • 0.2” standard pitch for PCB compatibility
  • Screw terminals for secure wire attachment
  • Through-hole mounting for reliable PCB connection
  • Horizontal wire entry for easy access
  • High current and voltage ratings
  • UL recognized components (varies by manufacturer)
  • RoHS compliant materials

Image

Image needed: 8-position green terminal block showing screw terminals and PCB mounting pins.

Visual Description: This terminal block appears as a green plastic housing with 8 individual screw terminals arranged in a row. Each terminal has a screw for wire clamping and the block has through-hole pins underneath for PCB mounting. The 0.2” spacing between terminals is clearly visible, and wire entry is from the horizontal side.

Applications

Common use cases and applications for these components:

  • Industrial control panel wiring
  • Power distribution in electronics
  • Signal connection interfaces
  • Motor control circuits
  • Sensor and actuator connections
  • Test equipment interfaces
  • Prototype and development boards
  • Automation system wiring
  • HVAC control systems
  • Lighting control applications

Circuit Examples

Basic Power Distribution

Terminal Block Connections:
Position 1-2: AC Line Input (L1, L2)
Position 3-4: DC Power Output (+12V, GND)
Position 5-6: Control Signals (Signal, GND)
Position 7-8: Status Outputs (Relay+, Relay-)

PCB Integration

PCB Layout Considerations:
- 0.2" (5.08mm) hole spacing
- Through-hole pad diameter: 1.2-1.5mm
- Copper pour clearance around terminals
- Adequate trace width for current rating
- Proper ground plane connections

Installation Instructions

PCB Mounting:

  1. PCB Preparation: Ensure holes are properly sized and spaced
  2. Component Placement: Insert terminal block from component side
  3. Soldering: Solder all pins from solder side of PCB
  4. Inspection: Verify all solder joints are complete

Wire Connections:

  1. Wire Preparation: Strip wire ends 6-8mm
  2. Terminal Opening: Loosen screw to open clamp
  3. Wire Insertion: Insert stripped wire fully into terminal
  4. Clamping: Tighten screw to secure wire (proper torque)
  5. Testing: Verify secure connection with gentle pull test

Technical Notes

Important technical considerations and usage tips:

  • Torque Specifications: Follow manufacturer’s torque recommendations
  • Wire Stripping: Proper strip length prevents short circuits
  • Current Derating: Consider derating for high ambient temperatures
  • PCB Thickness: Verify compatibility with PCB thickness
  • Spacing Requirements: Allow clearance for wire bending radius
  • Maintenance: Periodic inspection and re-tightening may be needed
  • Safety: Always de-energize circuits before making connections
  • Standards Compliance: Verify UL/CE compliance for specific applications

Tags

terminal-blocks, wire-to-board, 8-position, 0-2-inch-spacing, screw-terminals, pcb-mount, molex-style cabinet-5 bin-38 status-available

Notes

These 8-position terminal blocks are essential components for professional electronics projects requiring reliable wire-to-PCB connections. The 0.2” spacing is a standard pitch that’s widely compatible with PCB layouts and other terminal block accessories. Having 7 pieces provides flexibility for multiple projects or allows for consistent terminal block usage across similar designs. The screw terminal design ensures serviceable connections that can be easily modified or troubleshot in the field. Perfect for industrial control applications, power distribution, and any project where reliable, high-current connections are needed between external wiring and PCB circuits.

Graph View

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