32 AWG enameled copper wire is a thin, high-performance magnet wire with a nominal bare diameter of 0.203 mm, commonly insulated with polyurethane, polyesterimide, or polyamide‑imide for thermal ratings from 155°C to 220°C.
1. Basic Conductor Specifications
| Parameter | Value | Unit |
| AWG Gauge | 32 | – |
| Conductor Diameter (Bare) | 0.203 | mm |
| Conductor Diameter (Bare) | 0.008 | in |
| Cross-Sectional Area | 0.032 | mm² |
| DC Resistance (20°C) | 0.538 | Ω/m |
| DC Resistance (20°C) | 538 | Ω/km |
| Conductor Material | Copper (Cu) | – |
2. Insulation Specifications
| Insulation Type | Temperature Rating | Insulated OD (Single Coat) | Key Feature |
| Polyurethane (PUR) | 155°C | 0.23 mm | Solderable without stripping |
| Polyesterimide (PEI) | 180°C | 0.24 mm | High thermal/chemical resistance |
| Polyamide-Imide (PAI) | 200°C/220°C | 0.25 mm | Extreme environment resistance |
| PUR + Polyamide (Dual Coat) | 155°C | 0.26 mm | Solderable + enhanced durability |
3. Standards & Physical Properties
| Item | Details |
| Applicable Standards | IEC 60317, NEMA MW 80-C, NEMA MW 79-C |
| Tensile Strength (Conductor) | ≥205 MPa |
| Elongation (Conductor) | ≥30% |
| Insulation Resistance (20°C) | ≥10¹⁴ Ω·m |
4. Typical Application Scope
Miniature transformers, power inductors, RF coils, toroids
Relays, sensors, voice coils, small electric motors
Consumer electronics (smartphones, wearables, laptops)
Medical devices, automotive electronics, aerospace micro-components