TL072:Check if the component is rescheduled and its origin

Cicero Araujo

Other Parts Discussed in Thread: TL072

Número da peça: TL072

Ferramenta/software:

Tenho um lote deste componente e ele não está funcionando no meu circuito, gostaria de saber como posso verificar a procedência dele e se é possível verificar se ele não foi remarcado, como posso fazer isso?

2 months ago

0 Clemens Ladisch 2 months ago

Guru 271440 points

Where did you buy them? If you did not buy them from an authorized distributor, then nothing can be said about their source.

DIP chips from TI have roughened leadframes; chips with blank legs are certainly fake. (See [FAQ] Why do the leadframes look strongly oxidized or corroded?)

+1 Ron Michallick 2 months ago

TI__Guru*** 145766 points

Hello Cicero, welcome to the TI e2e forums.

If the older left ones do not work in your application and the right one does work, that means the application uses the TL072 incorrectly.

How is TL072 being used and what is the result?

Amplifiers

Amplifiers forum

TL072:Check if the component is rescheduled and its origin