Industry-Verified Manufacturing Data (2026)

Transmitter Coil Assembly

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Transmitter Coil Assembly used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Transmitter Coil Assembly is characterized by the integration of Coil Winding and Magnetic Core. In industrial production environments, manufacturers listed on CNFX commonly emphasize Copper wire construction to support stable, high-cycle operation across diverse manufacturing scenarios.

An assembly containing the primary electromagnetic coil responsible for generating and transmitting signals or power in an industrial system.

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Product Specifications

Technical details and manufacturing context for Transmitter Coil Assembly

Definition
The Transmitter Coil Assembly is a critical electromagnetic component within an Industrial System that generates oscillating magnetic fields or transmits electrical signals through inductive coupling. It serves as the active transmitting element in systems requiring wireless power transfer, proximity sensing, data communication, or inductive heating by converting electrical energy into controlled electromagnetic radiation.
Working Principle
When electrical current flows through the wound conductor of the coil assembly, it generates a time-varying magnetic field according to Ampère's law and Faraday's law of induction. This electromagnetic field propagates through space or couples with nearby receiver coils, enabling energy transfer, signal transmission, or inductive effects without physical contact. The assembly's physical construction (coil geometry, winding pattern, core material) determines the field characteristics, efficiency, and operating frequency range.
Common Materials
Copper wire, Ferrite core
Technical Parameters
  • Inductance measurement of the Transmitter Coil Assembly determining its energy storage capacity and resonant frequency characteristics (Henry (H)) Per Request
Components / BOM
  • Coil Winding
    Conductive path that carries current to generate electromagnetic fields
    Material: Insulated copper wire
  • Magnetic Core Optional
    Concentrates and directs magnetic flux to improve efficiency and field strength
    Material: Ferrite or laminated steel
  • Bobbin/Form
    Structural support for winding the coil and providing electrical insulation
    Material: Thermoplastic or ceramic
Engineering Reasoning
0.5-15.0 A at 24-480 V AC/DC, 20-85°C ambient temperature, 0-95% relative humidity non-condensing
Coil temperature exceeding 155°C (Class F insulation limit) for >30 minutes, insulation resistance <1 MΩ at 500 V DC, inductance deviation >±15% from nominal
Design Rationale: Joule heating (I²R losses) exceeding thermal dissipation capacity, leading to insulation breakdown via Arrhenius equation degradation (activation energy ~1.1 eV for polyimide)
Risk Mitigation (FMEA)
Trigger Harmonic distortion >8% THD at switching frequencies 2-20 kHz
Mode: Eddy current heating in laminated core reaching 180°C, causing interlamination shorting
Strategy: Integrate LCL filter with 3% damping at resonant frequency, specify M19 silicon steel with 0.35 mm lamination thickness
Trigger Thermal cycling ΔT >60°C at >5 cycles/hour due to pulsed operation
Mode: Differential thermal expansion between copper (17×10⁻⁶/°C) and bobbin material (70×10⁻⁶/°C) causing wire fatigue fracture
Strategy: Implement graded winding with Nomex 410 interlayer insulation, use CTI >600 polyamide bobbin with 0.5 mm radial clearance

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Transmitter Coil Assembly.

Transmitter Coil Primary Coil Assembly industrial transmitter coil assembly copper wire ferrite core transmitter electromagnetic coil assembly manufacturing signal transmission coil for industrial systems custom transmitter coil BOM components

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Wireless Power Transfer Module
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 100 bar
other spec: Max slurry concentration: 30% solids by weight
temperature: -40°C to 150°C
Media Compatibility
✓ Water-based fluids ✓ Non-corrosive gases ✓ Light hydrocarbon liquids
Unsuitable: Highly corrosive acidic environments (e.g., concentrated sulfuric acid)
Sizing Data Required
  • Required power output (kW)
  • Operating frequency range (Hz)
  • Coil diameter constraints (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Coil insulation breakdown
Cause: Thermal degradation from overheating due to excessive current, poor ventilation, or ambient temperature extremes, leading to insulation material breakdown and short circuits.
Mechanical fatigue of coil windings
Cause: Vibration-induced stress from equipment operation or external sources, causing wire fatigue, loosening, or breakage over time, compromising signal integrity.
Maintenance Indicators
  • Intermittent or erratic signal output, indicating potential coil winding damage or connection issues.
  • Audible humming or buzzing from the assembly, suggesting loose windings, insulation failure, or magnetic core problems.
Engineering Tips
  • Implement vibration monitoring and isolation measures, such as mounting dampers or ensuring secure fastening, to reduce mechanical stress on coil windings.
  • Maintain optimal thermal conditions through proper ventilation, ambient temperature control, and regular inspection of electrical connections to prevent overheating and insulation degradation.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ANSI/ISA-67.14.01-2000 Transmitter Performance Standards DIN EN 60770-1:2011 Transmitter Requirements for Industrial Process Control
Manufacturing Precision
  • Coil Winding Diameter: +/-0.05mm
  • Mounting Surface Flatness: 0.08mm
Quality Inspection
  • Electrical Insulation Resistance Test
  • Dimensional Verification via CMM (Coordinate Measuring Machine)

Factories Producing Transmitter Coil Assembly

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

P Project Engineer from United States Jan 25, 2026
★★★★★
"Found 35+ suppliers for Transmitter Coil Assembly on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
S Sourcing Manager from United Arab Emirates Jan 22, 2026
★★★★★
"The technical documentation for this Transmitter Coil Assembly is very thorough, especially regarding technical reliability."
Technical Specifications Verified
P Procurement Specialist from Australia Jan 19, 2026
★★★★★
"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Transmitter Coil Assembly so far."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

13 sourcing managers are analyzing this specification now. Last inquiry for Transmitter Coil Assembly from Brazil (14m ago).

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Frequently Asked Questions

What are the primary applications of this transmitter coil assembly?

This assembly is designed for industrial systems in computer, electronic and optical product manufacturing where reliable electromagnetic signal or power transmission is required, such as in communication devices, sensors, and power transfer systems.

Why are copper wire and ferrite core materials specified for this assembly?

Copper wire provides excellent electrical conductivity and durability, while the ferrite core offers high magnetic permeability and low eddy current losses, making this combination ideal for efficient electromagnetic transmission in industrial environments.

What components are included in the BOM for this transmitter coil assembly?

The bill of materials includes three key components: the bobbin/form (structural support), coil winding (copper wire arrangement), and magnetic core (ferrite element) - all engineered to work together for optimal transmission performance.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Computer, Electronic and Optical Product Manufacturing sector.

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