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  • Round Magnet Wire
HAPT is a multi-purpose film insulation which has a modified polyester basecoat and a polyamideimide topcoat. This combination provides a film insulation which has physical toughness, excellent dielectric properties, and superior chemical resistance to common solvents and refrigerants. Thermal properties of over 200°C qualify it for severe thermal overload applications. Compared to nylon overcoated polyester, the properties most improved are physical moisture, chemical and thermal resistance. HAPT is an extremely moisture resistant film insulation coating, suitable for many uses including open motor, high moisture application and hermetic applications. Other outstanding properties include thermal life, thermoplastic flow, burnout and heat shock.

This product is the standard of excellence for motor repair, maximum result, and minimum reject applications. It is impressive because it couples the extra advantages of high moisture resistance with ease of insertion.

Typical Applications
  • Fractional and integral horsepower motors (hermetic and open)
  • Automotive and power tool motors
  • General purpose motors
  • Dry-type transformers
  • Large coil applications - unvarnished, varnished or encapsulated
  • Electronic Coils
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Request Information Compare Items Search by Specification

Item #

AWG Size

Nom. Bare Wire Diameter

Min. Increase in Diameter Due to Film Coating

Max. Overall Diameter of Film-Coated Wire

N/A 35 N/A 0.0056 in0.142 mm N/A 0.0009 in0.023 mm N/A 0.0070 in0.178 mm
N/A 35-1/2 N/A 0.0053 in0.135 mm N/A 0.0009 in0.023 mm N/A 0.0067 in0.170 mm
N/A 36 N/A 0.0050 in0.127 mm N/A 0.0008 in0.020 mm N/A 0.0063 in0.160 mm
N/A 36-1/2 N/A 0.0047 in0.119 mm N/A 0.0007 in0.018 mm N/A 0.0060 in0.152 mm
N/A 37 N/A 0.0045 in0.114 mm N/A 0.0007 in0.018 mm N/A 0.0057 in0.145 mm
N/A 37-1/2 N/A 0.0042 in0.107 mm N/A 0.0007 in0.018 mm N/A 0.0054 in0.136 mm
N/A 38 N/A 0.004 in0.102 mm N/A 0.0007 in0.018 mm N/A 0.0051 in0.130 mm
N/A 38-1/2 N/A 0.0037 in0.094 mm N/A 0.0006 in0.015 mm N/A 0.0048 in0.122 mm
N/A 39 N/A 0.0035 in0.089 mm N/A 0.0006 in0.015 mm N/A 0.0045 in0.114 mm
N/A 39-1/2 N/A 0.0033 in0.084 mm N/A 0.0006 in0.015 mm N/A 0.0043 in0.109 mm
N/A 40 N/A 0.0031 in0.079 mm N/A 0.0006 in0.015 mm N/A 0.0040 in0.102 mm
N/A 40-1/2 N/A 0.003 in0.076 mm N/A 0.0005 in0.013 mm N/A 0.0039 in0.098 mm
N/A 41 N/A 0.0028 in0.071 mm N/A 0.0005 in0.013 mm N/A 0.0036 in0.091 mm
N/A 42 N/A 0.0025 in0.064 mm N/A 0.0004 in0.010 mm N/A 0.0032 in0.081 mm
N/A 43 N/A 0.0022 in0.056 mm N/A 0.0004 in0.010 mm N/A 0.0029 in0.074 mm
N/A 44 N/A 0.002 in0.051 mm N/A 0.0004 in0.010 mm N/A 0.0027 in0.069 mm
N/A 45 N/A 0.00176 in0.0447 mm N/A 0.0004 in0.001 mm N/A 0.0024 in0.0610 mm
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