Structured Manufacturing Data (2026)

Precision Heat Sink Assembly

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Precision Heat Sink Assembly used in the Manufacture of Lighting Equipment sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Precision Heat Sink Assembly is characterized by the integration of Base Plate and Cooling Fins. In industrial production environments, manufacturers listed on CNFX commonly emphasize Aluminum Alloy 6063 construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Thermal management component for LED lighting systems that dissipates heat from electronic drivers.

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Product Specifications

Technical details and manufacturing context for Precision Heat Sink Assembly

Definition
A precision-engineered heat sink assembly designed specifically for LED lighting equipment to manage thermal loads and extend component lifespan. This component is critical in industrial and commercial lighting applications where heat dissipation directly affects LED efficiency and longevity. It serves as a foundational thermal management solution in the B2B supply chain for lighting manufacturers, enabling reliable performance in high-power applications. The assembly integrates seamlessly with LED driver modules and housing structures to form complete lighting systems.
Working Principle
Utilizes conductive metal fins and thermal interface materials to transfer heat away from LED driver electronics through convection and radiation, maintaining optimal operating temperatures.
Common Materials
Aluminum Alloy 6063, Thermal Interface Material, Anodized Coating
Technical Parameters
  • Total effective surface area for heat dissipation (cm²) Customizable
  • Thermal resistance between heat source and ambient (°C/W) Customizable
Components / BOM
  • Base Plate Part
    Primary thermal conduction surface
    Material: Aluminum Alloy
  • Cooling Fins Part
    Increase surface area for heat dissipation
    Material: Aluminum Alloy
  • Mounting Brackets Optional Part
    Secure assembly to lighting fixture
    Material: Stainless Steel
  • Thermal Interface Pad Optional Part
    Improve thermal contact between surfaces
    Material: Silicone-Based Compound

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Precision Heat Sink Assembly.

LED Thermal Management Module Heat Dissipation Assembly Thermal Sink Component precision heat sink for LED lighting aluminum alloy LED heat dissipation thermal management component for lighting systems anodized coating heat sink assembly LED driver cooling fin design

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1.5 bar (ambient pressure only, not a pressure vessel)
other spec: Thermal resistance: 0.5-2.5°C/W (depending on configuration), Max heat dissipation: 50-200W
temperature: -40°C to +150°C (operating), -55°C to +200°C (storage)
Media Compatibility
✓ LED driver electronics (air-cooled) ✓ Aluminum alloy housings ✓ Thermal interface materials (silicone pads, thermal paste)
Unsuitable: High-pressure liquid cooling systems or corrosive chemical environments
Sizing Data Required
  • Maximum heat load (Watts)
  • Available mounting space dimensions (LxWxH)
  • Required thermal resistance (°C/W) or maximum junction temperature

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal Interface Degradation
Cause: Deterioration of thermal paste or pad due to thermal cycling, leading to increased thermal resistance and overheating.
Fin Blockage or Damage
Cause: Accumulation of dust, debris, or physical impact causing airflow restriction, reducing heat dissipation efficiency.
Maintenance Indicators
  • Audible increase in cooling fan speed or noise indicating higher operating temperatures
  • Visible discoloration, warping, or corrosion on the heat sink fins or base plate
Engineering Tips
  • Implement regular cleaning schedules using compressed air or specialized electronics cleaners to maintain fin airflow
  • Apply high-quality thermal interface materials with proper thickness control during assembly and reapplication cycles

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ANSI/ASME Y14.5-2018 - Dimensioning and Tolerancing DIN EN 1676:1997 - Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles
Manufacturing Precision
  • Base Flatness: ≤0.05mm per 100mm
  • Fin Thickness: ±0.1mm
Quality Inspection
  • Thermal Performance Test (ASTM D5470)
  • Dimensional Verification via CMM

Factories Producing Precision Heat Sink Assembly

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Frequently Asked Questions

What makes this heat sink suitable for LED lighting applications?

This precision heat sink is specifically designed for LED lighting systems, using Aluminum Alloy 6063 with anodized coating to efficiently dissipate heat from electronic drivers, extending LED lifespan and maintaining optimal performance.

How does the thermal interface material improve heat dissipation?

The thermal interface pad creates optimal contact between the heat sink and electronic components, minimizing thermal resistance and ensuring maximum heat transfer from LED drivers to the cooling fins for effective thermal management.

What are the key specifications to consider when selecting this heat sink?

Key specifications include base plate thickness, fin height and pitch, surface finish (Ra value), thermal resistance (°C/W), and weight. These determine the heat sink's cooling capacity and compatibility with your LED lighting system design.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Manufacture of Lighting Equipment.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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