---
title: "Electromagnet (Coil &amp; Core)"
industry: "Electrical Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ELECTROMAGNET_COIL_CORE"
  data_integrity_hash: "ebb1da7b5f2cdcc5fd7f477f7c5822ab"
  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:ELECTROMAGNET_COIL_CORE"
  data_source_uri: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/electromagnet-coil-core.md"
  official_resource_url: "https://cnfx.com/industry/electrical-equipment-manufacturing/product/electromagnet-coil-core"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-3.0 A (current), 12-48 V (voltage), -40°C to 125°C (temperature)"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 1.6
    unit: "T"
    consequence: "Core saturation reduces permeability to μ≈μ₀ (4π×10⁻⁷ H/m), insulation degradation via partial discharge at &gt;300 Vrms, thermal demagnetization above Curie point"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Copper wire insulation breakdown due to partial discharge"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement triple-layer polyimide insulation with 2000 VAC withstand rating"
  - node_2:
      trigger: "Core lamination delamination from magnetostrictive forces"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Use 0.35 mm silicon steel laminations with phosphate coating and interlocking design"
bom_nodes:
  coil:
    type: "part"
    urn: "URN:CNFX:ME:COIL"
    interface_type: "physical-logic-coupled"
  core:
    type: "component"
    urn: "URN:CNFX:ME:CORE"
    interface_type: "physical-logic-coupled"
  bobbin:
    type: "component"
    urn: "URN:CNFX:ME:BOBBIN"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 (QUALITY MANAGEMENT SYSTEMS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/electromagnet-coil-core.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "578687f0918db356ca932889e9cede384ddc3cddc7cbd105a89c995b212975d7"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Electromagnet (Coil &amp; Core)

## 1. Technical Definition
An electromagnetic component consisting of a wire coil wound around a ferromagnetic core, which generates a magnetic field when electric current flows through the coil.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-3.0 A (current), 12-48 V (voltage), -40°C to 125°C (temperature)**. Failure boundary: **Core saturation at 1.6 T magnetic flux density, insulation breakdown at 500 V/mm, Curie temperature of 770°C for iron core**, Mechanism: **Core saturation reduces permeability to μ≈μ₀ (4π×10⁻⁷ H/m), insulation degradation via partial discharge at &gt;300 Vrms, thermal demagnetization above Curie point**.

### 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 |
| :--- | :--- | :--- | :--- |
| Copper wire insulation breakdown due to partial discharge | 8 | Inter-turn short circuit causing resistance drop from 50Ω to &lt;5Ω | Implement triple-layer polyimide insulation with 2000 VAC withstand rating |
| Core lamination delamination from magnetostrictive forces | 8 | Eddy current increase by 300% causing core temperature rise to 200°C | Use 0.35 mm silicon steel laminations with phosphate coating and interlocking design |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Coil](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/coil.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Wire Winding Machine**, **Core Lamination Press**, **Insulation Impregnation System**  
**Downstream Applications**: Electric Motors, Solenoid Valves, Magnetic Relays  

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

### Q: What are the advantages of using electrical steel laminations in the electromagnet core?
**A**: Electrical steel laminations reduce eddy current losses, improve magnetic efficiency, and minimize heat generation during operation, making them ideal for industrial applications requiring sustained performance.

### Q: How does the coil winding material affect electromagnet performance?
**A**: Copper winding provides excellent electrical conductivity, allowing for higher current flow and stronger magnetic fields with lower resistance, while proper insulation ensures durability and prevents short circuits.

### Q: What factors determine the magnetic field strength of this electromagnet?
**A**: Magnetic field strength depends on the number of coil turns, current flow, core material permeability, and core geometry. Our electromagnets are engineered to optimize these variables for consistent industrial performance.

## 6. Manufacturing Compliance
- ISO 9001:2015 (QUALITY MANAGEMENT SYSTEMS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Electromagnet (Coil &amp; Core)](https://cnfx.com/industry/electrical-equipment-manufacturing/product/electromagnet-coil-core)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: ELECTROMAGNET_COIL_CORE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: d5e007a2
