Description
Overview
Self-bonded enamelled copper wire on 1000 g spools, in a run of fine diameters from 0.08 mm to 0.5 mm. The hot-melt coat fuses adjacent turns when the winding is heated, so a coil holds its shape without tape or a dip varnish.
Specifications
- Conductor: enamelled copper, self-bonded hot-melt coating
- Designation: 2HBUEW/155, as given in the title
- Spool weight: 1000 g per size
- Spooled sizes: 0.08, 0.09, 0.1, 0.12, 0.14, 0.16, 0.18, 0.2, 0.23, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5 mm
- Finer sizes in the title: 0.04, 0.05, 0.06 mm
Purpose
Air-core and voice coils unwind unless something holds the turns together. Bondable wire fuses itself into a rigid, glue-free coil, keeping mass low and a bobbin out of the magnetic gap.
Applications
- Speaker and headphone voice coils
- Guitar pickup winding
- Small motor and actuator coils
- Air-core crossover inductors
How to Use
- Wind under steady tension so turns sit tight and parallel.
- Leave a short tail free at each end.
- Bond by heating the coil evenly until the coat softens and the turns lock.
- Caution: the enamel has a thermal class – baking well above it cracks the film and shorts neighbouring turns.
- Solder through the enamel at the tails only, never on the winding body.









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