0.5mm Pitch 40 Pin 100mm FPC A-Type Ribbon Flexible Flat Cable-2PCS

An FPC or flexible printed circuit is a more complicated piece of electronics and used to describe circuits that can incorporate components and are built onto a flexible material. FPC is made of polyimide material and etched copper conductors.

An FPC can be used over a rigid printed circuit board to provide a greater flexibility to electronics or for particularly tightly assembled electronic packages.

There are many different kinds of FPC, including single layer, double-sided, multilayer flex circuit.

Single-sided flexible circuits have a single conductor layer made of either a metal or conductive (metal filled) polymer on a flexible dielectric film.

Double-sided flex circuits are flex circuits having two conductor layers.

Flex circuits having three or more layers of conductors are known as multilayer flex circuits. Commonly the layers are interconnected by means of plated through holes, though this is not a requirement of the definition for it is possible to provide openings to access lower circuit level features.