Board Supports

Part Number	Description / PDF	Quantity
709905670 Würth Elektronik Midcom	SNAP-ON STOP SPACER FOR PRINTED	423
709905640 Würth Elektronik Midcom	SNAP-ON STOP SPACER FOR PRINTED	718
701514500 Würth Elektronik Midcom	SNAP-ON KEYSLOT SPACER ARRESTING	974
709440400 Würth Elektronik Midcom	SNAP-ON STOP SPACER REVERSE MOUN	2171
709617600 Würth Elektronik Midcom	SNAP-ON STOP SPACER, ARRESTING	970
709670080 Würth Elektronik Midcom	BOARD SUPRT SNAP LOCK NYLON 8MM	550
709401000 Würth Elektronik Midcom	SNAP-ON STOP SPACER 4,8 MM	505
709406000 Würth Elektronik Midcom	SNAP-ON STOP SPACER 25,4 MM	900
709670050 Würth Elektronik Midcom	BOARD SUPRT SNAP LOCK NYLON 5MM	1800
709613800 Würth Elektronik Midcom	SNAP-ON STOP SPACER, ARRESTING	471
701513000 Würth Elektronik Midcom	SNAP-ON KEYSLOT SPACER ARRESTING	3219
701512500 Würth Elektronik Midcom	SNAP-ON KEYSLOT SPACER ARRESTING	875
709404000 Würth Elektronik Midcom	SNAP-ON STOP SPACER 12,7 MM	830
709851000 Würth Elektronik Midcom	SNAP RIVET MOUNT SPACER 9,5 MM	880
709611200 Würth Elektronik Midcom	SNAP-ON STOP SPACER, ARRESTING	980
709905610 Würth Elektronik Midcom	SNAP-ON STOP SPACER FOR PRINTED	843
702930000 Würth Elektronik Midcom	SELF-RETAINING SPACER 4,0 MM	937
709441200 Würth Elektronik Midcom	SNAP-ON STOP SPACER REVERSE MOUN	3718
709402000 Würth Elektronik Midcom	SNAP-ON STOP SPACER 6,4 MM	1690
709446200 Würth Elektronik Midcom	SNAP-ON STOP SPACER REVERSE MOUN	567

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.