Detection of electronic counterfeit components

In this paper, the necessity and key questions for detection of counterfeit components is being described. Main goal is to inform professionals from academic as well as from industry sector how to detect counterfeit parts and be confident with evaluation. For these purposes some standard and some more specific methods are described more in detail. Also practical examples for counterfeit components detection like switching power transistor and bulk-capacitor (electrolytic capacitor) are given as well.