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of high-performance wire,
cable and tubing since 1959
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SPN combines the magnet wire insulation characteristics of Single Poly with the advantages of a nylon topcoat. With the nylon, SPN is still readily solderable, yet the solvent resistance and thermal stability of the insulation is excellent. In addition, the nylon provides improvement in the windability and tolerates more severe winding operations. SPN is an excellent choice for automatic winding machines.

Typical Applications

SPN has excellent solderability and the 130/155°C thermal class. It has wide use in coils and small motors. It is not recommended where severe overloads are experienced.
  • Appliance motors
  • Relays
  • Timer and clock coils
  • Encapsulated coils
  • Guitar Pickups
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Item #

AWG Size

Nom. Bare Wire Diameter

Min. Increase in Diameter Due to Film Coating

Max. Overall Diameter of Film-Coated Wire

N/A 49 N/A 0.00111 in0.0282 mm N/A 0.0001 in0.003 mm N/A 0.00130 in0.0330 mm
N/A 50 N/A 0.00099 in0.0251 mm N/A 0.0001 in0.003 mm N/A 0.00120 in0.0305 mm
N/A 52 N/A 0.00078 in0.0198 mm N/A 0.0001 in0.003 mm N/A 0.00100 in0.0254 mm
N/A 54 N/A 0.00062 in0.0157 mm N/A 0.00005 in0.001 mm N/A 0.00075 in0.0191 mm
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