Smart card coils are commonly used in ID cards and IC cards, mainly play a role in the transmission of signals, there are a variety of sizes, the smallest can be Φ1.8 inner diameter, the largest can reach Φ40 inner diameter, can also provide the production and processing of runway voice coil.

Coil introduction.

Class：inductance coils

inductance: 500

Use: Used for ID card or IC card internal induction, easy to read information