0.4mm Heat Resistant Welding Wire (White, 50m)

This 50m spool of 0.4mm white heat-resistant wire is built for compact PCB wiring and delicate soldering jobs. Featuring stranded silver-plated copper with PFA insulation, it is an ideal choice for makers, students, and technicians working on fine-pitch electronics.

Silver-plated copper conductor

The wire features silver-plated copper strands to ensure reliable electrical conductivity across miniature electronics and jumper connections.

High-temperature PFA insulation

A durable PFA jacket resists heat damage during soldering and provides dependable insulation in tight spaces.

Extreme thermal endurance

Rated for operating temperatures between -60°C and 250°C, this wire maintains structural integrity in demanding thermal environments.

Ultra-thin 0.4mm profile

The slim 0.4mm diameter makes it easy to route through dense circuit boards, point-to-point wiring, and compact enclosures.

Continuous 50m spool

Supplied on a 50-metre white reel, it offers ample length for extensive circuit rework, prototyping, and lab use.