Board Supports

Part Number	Description / PDF	Quantity
709654000 Würth Elektronik Midcom	BRD SUPRT SNAP LOCK NYLON 12.5MM	1362
709905630 Würth Elektronik Midcom	SNAP-ON STOP SPACER FOR PRINTED	600
709400500 Würth Elektronik Midcom	SNAP-ON STOP SPACER 3,5 MM	693
709905661 Würth Elektronik Midcom	SNAP-ON STOP SPACER FOR PRINTED	654
701520500 Würth Elektronik Midcom	SNAP-ON KEYSLOT SPACER ARRESTING	1794
709610600 Würth Elektronik Midcom	SNAP-ON STOP SPACER, ARRESTING	644
709624000 Würth Elektronik Midcom	SNAP-ON SPACER, ARRESTING ON BOT	854
709670180 Würth Elektronik Midcom	MINI-SPACER STUD	738
709905631 Würth Elektronik Midcom	SNAP-ON STOP SPACER FOR PRINTED	929
701526500 Würth Elektronik Midcom	SNAP-ON KEYSLOT SPACER ARRESTING	479
702942000 Würth Elektronik Midcom	SELF-RETAINING SPACER 11,1 MM	980
709406500 Würth Elektronik Midcom	SNAP-ON STOP SPACER 28,6 MM	564
701523000 Würth Elektronik Midcom	SNAP-ON KEYSLOT SPACER ARRESTING	20
702910000 Würth Elektronik Midcom	BOARD SUPRT SCREW MNT NYLON 8MM	0
709447600 Würth Elektronik Midcom	SNAP-ON STOP SPACER REVERSE MOUN	950
709445100 Würth Elektronik Midcom	SNAP-ON STOP SPACER REVERSE MOUN	0
709446000 Würth Elektronik Midcom	SNAP-ON STOP SPACER REVERSE MOUN	3475
702932000 Würth Elektronik Midcom	SELF-RETAINING SPACER 7,9 MM	674
702911000 Würth Elektronik Midcom	BOARD SUPRT SCREW MNT NYLON 2MM	2800
709951000 Würth Elektronik Midcom	SNAP-ON SPACER SCREW MOUNT 6,4 M	577

Board Supports

1. Overview

Board Supports are mechanical components designed to provide structural stability and positioning for printed circuit boards (PCBs), backplanes, and electronic subassemblies. These components ensure proper alignment, vibration resistance, and thermal management in electronic systems. Their importance has grown with advancements in miniaturization, high-density packaging, and harsh-environment applications across industries.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
Rail Guides	Linear support with low-friction sliding surfaces	Server rackmount systems
Standoff Mounts	Spaced mounting with threaded inserts	PCB layer stacking
Edge Clamps	Quick-lock lateral fixation	Industrial control panels
Heat Dissipating Brackets	Integrated thermal conduction paths	High-power LED arrays
Modular Support Systems	Configurable cross-beam structures	Data center switch racks

3. Structure and Components

Typical board supports consist of: - Load-bearing base (aluminum alloy/steel/stainless steel) - Precision-machined mounting slots (T-slot/round/oval patterns) - Anti-vibration damping elements (elastomer inserts) - Surface treatments (anodizing/zinc plating) - Quick-adjustment mechanisms (cam locks/micro-adjust screws) - Integrated wiring channels (for cable management)

4. Key Technical Specifications

Parameter	Description	Importance
Load Capacity	0.5-500kg range	Structural integrity under operational stress
Material Hardness	6061-T6 Al (95HBW)	Weight/strength ratio optimization
Dimensional Tolerance	0.05mm to 0.2mm	Interchangeability assurance
Corrosion Resistance	1000h salt spray test	Lifetime durability in harsh environments
Thermal Conductivity	180-250 W/m K	Heat dissipation efficiency

5. Application Fields

Telecommunications (5G base stations, core routers)
Industrial Automation (PLC control cabinets)
Aerospace (avionics mounting systems)
Medical Equipment (MRI scanner electronics)
Transportation (EV battery management systems)

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
PEM	FASTmount Series	Self-clinching PCB supports
Bossard	Ecopac Zero	Carbon-neutral fastening systems
Misumi	HFSR8-2020	Aluminum extrusion rails
Eaton	Hoffman EC series	Seismic-rated enclosures
Rittal	TS 8 Cabinet System	Modular mounting frames

7. Selection Recommendations

Key considerations:

Dynamic load vs static load requirements
Available installation space (profile height constraints)
Environmental factors (temperature/humidity/vibration)
EMI shielding requirements
Tool-less installation capability
Total cost of ownership (material + installation + maintenance)

Example: For vibration-prone applications like railway signaling, select stainless steel supports with integrated elastomer dampers and locking mechanisms meeting EN 50155 standards.

8. Industry Trends Analysis

Emerging trends include:

Development of lightweight composites (carbon fiber-reinforced polymers)
Integration with smart sensors for structural health monitoring
Adoption of additive manufacturing for complex geometries
Growing demand for RoHS-compliant surface treatments
AI-driven predictive maintenance integration

Market forecasts predict 7.2% CAGR through 2030, driven by 5G infrastructure expansion and EV production growth according to Grand View Research.