Identifying Counterfeit Components
In the last few years the electronics industry has seen an increase in the use of non-functional counterfeit electronic parts. The counterfeit part may have the appearance of the correct device, but at closer inspection it is revealed to be a copy or one recovered from recycled electronic waste that has been relabled or remarked.
SEM Lab, Inc. has detected a number of counterfeit or reconditioned tantalum capacitors implicated in premature failures of products across a range of applications both military and commercial. Below are examples of counterfeits to illustrate the factors that differentiate the faux parts from authentic parts.
Logos - counterfeit or reconditioned parts are often poorly marked: