---
title: "Light Head"
industry: "Electrical Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:LIGHT_HEAD"
  data_integrity_hash: "2ae43e073e574f1df66508492d0fe0e5"
  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:LIGHT_HEAD"
  data_source_uri: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/light-head.md"
  official_resource_url: "https://cnfx.com/industry/electrical-equipment-manufacturing/product/light-head"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "2.7-3.6 VDC, 350-700 mA, 2700-6500 K color temperature, 80-120 lm/W efficacy"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 150
    unit: "°C"
    consequence: "Quantum efficiency degradation due to Auger recombination at high current densities, thermal runaway from non-radiative recombination, electromigration in wire bonds at 150°C+"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Thermal interface material degradation with thermal conductivity dropping below 3 W/m·K"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Phase-change thermal interface material with 8 W/m·K conductivity and boron nitride filler"
  - node_2:
      trigger: "PWM dimming frequency below 100 Hz with 50% duty cycle"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Constant current reduction dimming with 1 kHz PWM and 0.1% current ripple"
bom_nodes:
  housing:
    type: "component"
    urn: "URN:CNFX:ME:HOUSING"
    interface_type: "physical-logic-coupled"
  reflector:
    type: "component"
    urn: "URN:CNFX:ME:REFLECTOR"
    interface_type: "physical-logic-coupled"
  lens:
    type: "component"
    urn: "URN:CNFX:ME:LENS"
    interface_type: "physical-logic-coupled"
  mounting-bracket:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKET"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING - COMPLIANCE WITH EU DIRECTIVES (E.G., LOW VOLTAGE DIRECTIVE 2014/35/EU)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/light-head.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "21fe841d428513f2b45b3193a21a3367ac70a96ec72138a26c8d34086bce4d79"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Light Head

## 1. Technical Definition
The light-emitting component of an adjustable lighting system that houses the light source and directs illumination.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **2.7-3.6 VDC, 350-700 mA, 2700-6500 K color temperature, 80-120 lm/W efficacy**. Failure boundary: **Junction temperature exceeding 150°C, forward current exceeding 750 mA, reverse voltage exceeding 5 V**, Mechanism: **Quantum efficiency degradation due to Auger recombination at high current densities, thermal runaway from non-radiative recombination, electromigration in wire bonds at 150°C+**.

### 2.1 Analytical Physics Model
Governed by the **Joule Heating & Thermal Resistance**:

> **Primary Equation**: $P = I^2 R = \frac{V^2}{R}$  
> **Engineering Impact**: Governs heating element sizing for shrink tunnels/sealers.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| I | Current | Engineering Constant |
| R | Resistance | Engineering Constant |
| V | Voltage | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Thermal interface material degradation with thermal conductivity dropping below 3 W/m·K | 8 | LED junction temperature rise to 180°C causing 70% lumen depreciation in 500 hours | Phase-change thermal interface material with 8 W/m·K conductivity and boron nitride filler |
| PWM dimming frequency below 100 Hz with 50% duty cycle | 8 | Visible flicker at 100 Hz causing 15% stroboscopic effect visibility measure | Constant current reduction dimming with 1 kHz PWM and 0.1% current ripple |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **LED Driver Power Supply**, **Heat Sink Assembly Machine**, **Optical Lens Coating System**  
**Downstream Applications**: Adjustable Desk Lamps, Industrial Inspection Lights, Medical Examination Lights  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are used in the construction of this light head?
**A**: This light head is constructed with an aluminum alloy housing for durability, a polycarbonate lens for impact resistance, and a glass reflector for optimal light direction and heat management.

### Q: How does the light head integrate with adjustable lighting systems?
**A**: The light head is designed as the primary illumination component that houses the light source and directs light precisely. It connects to adjustable mounting systems via its integrated bracket, allowing for flexible positioning in industrial applications.

### Q: What are the main components included in the light head assembly?
**A**: The light head assembly includes four key components: the housing (aluminum alloy), lens (polycarbonate), mounting bracket (for system integration), and reflector (glass) - all working together to provide controlled, efficient illumination.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- CE MARKING - COMPLIANCE WITH EU DIRECTIVES (E.G., LOW VOLTAGE DIRECTIVE 2014/35/EU)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Light Head](https://cnfx.com/industry/electrical-equipment-manufacturing/product/light-head)**

### 🌐 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**: LIGHT_HEAD | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 967b33db
