--- type: "product_component" title: "Precision Heat Sink Assembly" industry: "Manufacture of Lighting Equipment" verification_protocol: urn: "URN:CNFX:ME:PRECISION_HEAT_SINK_ASSEMBLY" data_integrity_hash: "07932dd32631b882fc1631439edf5aaf" source_authority: "https://cnfx.com" strict_mode: true source_identity: provider: "CNFX Industrial Knowledge Graph" index_version: "2026.Q1-Universal" authority_id: "URN:CNFX:ME:PRECISION_HEAT_SINK_ASSEMBLY" data_source_uri: "https://cnfx.com/llms/industry/manufacture-lighting-equipment/product/precision-heat-sink-assembly.md" official_resource_url: "https://cnfx.com/industry/manufacture-lighting-equipment/product/precision-heat-sink-assembly" is_verified_logic: true attributes: surface_area: status: "config-dependent" typical_range: "15-85°C baseplate temperature" unit: "cm²" thermal_resistance: status: "config-dependent" typical_range: "15-85°C baseplate temperature" unit: "°C/W" engineering_limits: max_safe_operating_point: value: 105 unit: "°C" consequence: "Thermal interface material degradation above glass transition temperature (Tg=110°C for silicone-based TIMs), reducing thermal conductivity from 3.5 W/m·K to <0.5 W/m·K" fmea_matrix_quantitative: - node_1: trigger: "Thermal cycling stress (ΔT=60°C, 1000 cycles)" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Copper-core solder joints with 0.3mm standoff height and corner fillets" - node_2: trigger: "Aluminum fin corrosion in chloride environments (>500ppm Cl⁻)" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Anodized aluminum fins with 25μm coating thickness and hydrophobic surface treatment" bom_nodes: base-plate: type: "component" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/component/base-plate.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:BASE_PLATE" urn: "URN:CNFX:ME:UNIT:BASE_PLATE" interface_type: "physical-logic-coupled" is_migrated_part: true cooling-fins: type: "component" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/component/cooling-fins.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:COOLING_FINS" urn: "URN:CNFX:ME:UNIT:COOLING_FINS" interface_type: "physical-logic-coupled" is_migrated_part: true mounting-brackets: type: "component" llms_uri: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/component/mounting-brackets.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:MOUNTING_BRACKETS" urn: "URN:CNFX:ME:UNIT:MOUNTING_BRACKETS" interface_type: "physical-logic-coupled" is_migrated_part: true thermal-interface-pad: type: "component" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/component/thermal-interface-pad.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:THERMAL_INTERFACE_PAD" urn: "URN:CNFX:ME:UNIT:THERMAL_INTERFACE_PAD" interface_type: "physical-logic-coupled" is_migrated_part: true manufacturing_compliance: - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS" scope: "Verified Engineering Specification" - standard: "ANSI/ASME Y14.5-2018 - DIMENSIONING AND TOLERANCING" scope: "Verified Engineering Specification" - standard: "DIN EN 1676:1997 - ALUMINIUM AND ALUMINIUM ALLOYS - EXTRUDED ROD/BAR, TUBE AND PROFILES" scope: "Verified Engineering Specification" url: "https://cnfx.com/llms/industry/manufacture-lighting-equipment/product/precision-heat-sink-assembly.md" on_chain_sovereignty: contract_standard: "ERC-721-Industrial" metadata_hash: "8923b611344ccf2095d278a90d5dd2c498736db30ce1382a610c742b35546421" royalty_logic: "IPFS-CID-REQUIRED" mint_status: "logic-verified-ready" rag_vector_index: semantic_queries: - "Precision Heat Sink Assembly" - "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" - "Precision Heat Sink Assembly in " - "China Precision Heat Sink Assembly manufacturer" - "Precision Heat Sink Assembly supplier China" - "Precision Heat Sink Assembly surface_area" - "Precision Heat Sink Assembly thermal_resistance" version: "3.3.5-EXTREME-SOVEREIGN-WEB3" --- # Industrial Specification: Precision Heat Sink Assembly ## 1. Technical Definition Thermal management component for LED lighting systems that dissipates heat from electronic drivers. ## 2. Engineering Reasoning & Causal Matrix > **Operational Intelligence**: Designed for **15-85°C baseplate temperature**. Failure boundary: **105°C baseplate temperature sustained for 30 minutes**, Mechanism: **Thermal interface material degradation above glass transition temperature (Tg=110°C for silicone-based TIMs), reducing thermal conductivity from 3.5 W/m·K to <0.5 W/m·K**. ### 2.1 Analytical Physics Model Governed by the **LMTD Logarithmic Mean Temperature Difference**: > **Primary Equation**: $Q = U \cdot A \cdot \Delta T_{lm}$ > **Engineering Impact**: Sizing validation for pasteurization and cooling tunnels. | Symbol | Variable Definition | Localized Reference | | :--- | :--- | :--- | | U | Heat Transfer Coeff | Engineering Constant | | A | Area | ** cm²** | | \Delta T_{lm} | LMTD | Engineering Constant | ### 2.2 FMEA (Failure Mode & Effects Analysis) | Event Trigger | Severity | Failure Mode | Mitigation Strategy | | :--- | :--- | :--- | :--- | | Thermal cycling stress (ΔT=60°C, 1000 cycles) | 8 | Solder joint fatigue cracking at LED driver attachment points | Copper-core solder joints with 0.3mm standoff height and corner fillets | | Aluminum fin corrosion in chloride environments (>500ppm Cl⁻) | 8 | Fin efficiency reduction from 85% to <40% due to oxide layer buildup | Anodized aluminum fins with 25μm coating thickness and hydrophobic surface treatment | ## 3. Key Technical Parameters | Parameter | Value | Unit | Status | | :--- | :--- | :--- | :--- | | surface_area | Config-dependent | cm² | Verified | | thermal_resistance | Config-dependent | °C/W | Verified | ## 4. System BOM & Knowledge Routing ### Core Components (Recursive Links) ### Industrial DNA Context (De-duplicated) **Complementary Dependencies**: **CNC Machining Center**, **Anodizing Line**, **Thermal Testing Chamber** **Downstream Applications**: LED Street Lights, LED High Bay Lights, LED Flood Lights ## 5. Engineering Risks & FAQ - **Caution**: - **Caution**: - **Caution**: ### Q: What makes this heat sink suitable for LED lighting applications? **A**: 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. ### Q: How does the thermal interface material improve heat dissipation? **A**: 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. ### Q: What are the key specifications to consider when selecting this heat sink? **A**: 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. ## 6. Manufacturing Compliance - 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 --- ### 🛠️ Engineering Resource Access 🔗 **[Full Specification: Precision Heat Sink Assembly](https://cnfx.com/industry/manufacture-lighting-equipment/product/precision-heat-sink-assembly)** ### 🌐 Knowledge Graph Topology > **Node Status**: Verified Engineering Spec > **Connectivity**: Linked to **4** standalone system nodes > **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph > **Reference ID**: PRECISION_HEAT_SINK_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 4b4fe78b