FIW6 0.250mm fully insulated wire is Class F high-temperature resistant composite insulated wire, manufactured in accordance with IEC 60317 and NEMA MW85-C standards. Featuring ultra-high breakdown voltage, direct solderability without stripping insulation, and uniform insulation thickness, it is an upgraded and cost-effective alternative to traditional triple insulated wire. Widely used in high-frequency transformers, SMPS, automotive coils, miniature motors and precision electronic equipment.
| Item | Specification |
|---|---|
| Conductor Diameter | 0.250mm ± 0.003mm |
| Finished Outer Diameter | 0.393mm – 0.402mm |
| Conductor Resistance (20℃) | ≤ 348.0 Ω/km |
| Temperature Class | 180℃ (Class H) |
| Minimum Breakdown Voltage | ≥ 11kV |
| Solder Condition | 390℃ / 2s, no stripping required |
| Thermal Softening Breakdown | 250℃ / 2min no breakdown |
| Insulation Material | Cresol Free Modified Epoxy / Polyimide Composite |
| Standard Compliance | IEC 60317, NEMA MW85-C |
| Color | Natural / Black / Red / Blue / Green (Customizable) |
Packaging: Standard 5kg / 10kg plastic/wooden reels, fixed length packaging or customized length available.
Application: High frequency transformers, switching power supplies, automotive electronic coils, miniature motors, inductors and precision electrical equipment.