Manufacturer 0.05-0.7mm FIW Copper Wire

Fully insulated (FIW) zero-defect enamelled round copper wire is the wire with high thermal class, Zero-defect strengthened insulation and high voltage resistance compliance with IEC60317-56 / IEC60950U and
NEMA MW85-C. The wire can meet the requirements of miniaturized components, good winding performance and low cost, applied small transformer, electronic switch etc.
UL approvals
◆ OBMW2, according to UL 1446, ANSI MW 85-C.
◆ OBJT2,Thermal class F, Reinforced insulation, according to UL60950-1
◆(FIW3-FIW9, φ0.04mm to φ1.60mm).

RUIYUAN was established in 2002, located in Tianjin City,the second largest port city in China.We have been focusing on different kinds of high quality wires: enameled round copper wire, rectangular enameled copper triple insulated wire, silk covered Litz wire, bonding wire and special enameled wire for 21 years.Ruiyuan is one of the pioneers in producing micro thin enameled wires below 0.03mm in China. Our R & D team has 20 years of market experience. In 2019, our finest diameter is 0.011mm, and mass production has been achieved. All of our products are UL, RoHS certified, in line with industry standards IEC60317, JIS C 3202, NEMA, NW82.