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42 AWG Heavy Formvar Copper Magnet Wire – Data Sheet
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Product Name
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42 AWG Heavy Formvar Copper Magnet Wire
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NEMA Specification
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MW-15-C
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Insulation Type
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Heavy Formvar (polyvinyl acetal resin coating, amber color)
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Conductor Material
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99.9% Pure Copper
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Build
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Heavy Build (thicker insulation for durability)
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Wire Gauge (AWG)
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42
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Conductor Diameter (bare)
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0.0026 in (0.066 mm)
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Overall Diameter (with insulation)
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≈ 0.0029 in (0.0736 mm)
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Temperature Rating
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105°C (221°F)
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Thermal Class
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Class A
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Applications
- Guitar pickup winding
- Precision coil winding
- Small transformers
- Electromagnetic coils
- Motor repair requiring fine wire
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Spool Size
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5" Biconical
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Nominal Wire Weight
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Approx. 6 lbs. and below
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Film Build
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Heavy
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Color
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Natural (clear)
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Size/Gauge
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42 AWG
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Insulation
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Heavy Formvar
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Metal
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Copper
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Nema
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MW 15-C, MW 86
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FT/LB
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48965 FT/LB
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Solderability
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Not Suitable
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Features
Temp: 105°C
Insulation Properties: Heavy Formvar
Round
Meets Standards:
NEMA: MW 15-C, MW 86
IEC: 60317-1, 60317-2
Superior flexibility, abrasion resistance, and excellent hydrolytic stability
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