Wire Winding: Inductance Range 1mH-10H, Wire Gauge 18-42 AWG

Component Specifications

Definition

Wire winding is a precision manufacturing process where insulated conductive wire is systematically wound around a cylindrical or bobbin-shaped core to form electromagnetic coils. In solenoid applications, this component converts electrical energy into mechanical motion through electromagnetic induction. The winding pattern, wire gauge, number of turns, and insulation quality directly determine the coil's inductance, resistance, magnetic field strength, and operational characteristics.

Working Principle

When electrical current flows through the wound wire, it generates a magnetic field according to Ampère's law. The magnetic flux density is proportional to the number of turns and current magnitude. In solenoids, this magnetic field attracts or repels a ferromagnetic plunger, converting electrical energy into linear mechanical motion. The winding geometry and material properties determine the electromagnetic efficiency and force characteristics.

Materials

Copper magnet wire (typically 18-42 AWG) with polyurethane, polyamide, or polyester insulation. Alternative materials include aluminum wire for weight reduction or silver-plated copper for high-frequency applications. Core materials: ferromagnetic steel, iron alloys, or air cores.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Wire Gauge	18-42 AWG
Fill Factor	65-85%
Thermal Rating	-40°C to +180°C
Inductance Range	1mH-10H
Insulation Class	Class B (130°C) to Class H (180°C)
Winding Resistance	0.5-500 Ohms
Dielectric Strength	500-5000V AC

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 18278, IEC 60317, DIN 46435, UL 1446

Parent Products

This component is used in the following industrial products

Solenoid Coil

An electromagnetic component that converts electrical energy into linear mechanical force to actuate control valves.

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Coil/Solenoid

Electromagnetic component that converts electrical energy into mechanical motion to actuate valves.

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Engineering Analysis

Risks & Mitigation

Insulation breakdown
Overheating
Inter-turn short circuits
Mechanical deformation
Corrosion in humid environments

FMEA Triads

Trigger: Insufficient insulation thickness
Failure: Dielectric breakdown and short circuit
Mitigation: Implement automatic insulation testing during winding and use Class H insulation materials

Trigger: Uneven winding tension
Failure: Mechanical deformation and performance degradation
Mitigation: Install tension control systems and conduct regular calibration

Trigger: Thermal expansion mismatch
Failure: Wire breakage under thermal cycling
Mitigation: Use compatible thermal expansion materials and design with thermal relief features

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±2% on resistance, ±5% on inductance, ±1 turn count

Test Method

IEC 60529 for IP rating, UL 1446 for thermal evaluation, ISO 18278 for winding quality

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Wire Winding

Manufacturer profiles associated with Wire Winding.

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Frequently Asked Questions

What factors affect solenoid coil performance?

Wire gauge, number of turns, winding pattern, insulation quality, core material, and operating temperature directly impact inductance, resistance, magnetic field strength, and thermal performance.

How is winding quality tested?

Testing includes resistance measurement, inductance verification, hipot testing for dielectric strength, turn-to-turn insulation testing, and thermal cycling validation.

What are common winding defects?

Common defects include loose winds, crossed wires, insulation damage, incorrect turn count, uneven tension, and improper layer transitions.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Wire Winding