Testing components, such as capacitors, sometimes find resistors whose values indicate leakage. However I do not know when to consider that these leaks affect the performance of this component or not. How to make?
Leakage depends heavily on the type of component under consideration. For example, low-value capacitors (up to about 470 nF), detector diodes, signal transistors must not have high leakage, ie they should not have resistances less than 2 or 3 M ohm. These resistors may already affect their operation in a circuit. However, electrolytic capacitors and rectifier diodes already allow for larger leakage. For these components, depending on the application, a leakage of 1 M ohm or even a little lower may not be significant for its operation. However, depending on the application, detecting leakage on the component does not use it.
