The selection of electronic components is very important. Buyers most concerned about is actually the component reliability issues. The McNair Electric to teach you how to select electronic components.
   
First of all, the problem of component reliability problems, the basic failure rate, which is the failure of a random nature and quality difference between the failure rate of components depends on the level of working stresses. A certain stress level, the failure rate of electronic components declined significantly. Exclude equipment not meeting the requirements of components, including the failure of electrical parameters, the sealing performance failure, the appearance of failure, poor stability, early failure, etc., should be the screening test, screening test of electronic products, the main components of the general requirements:

The buyer to provide the following test reports, high temperature testing is generally done to weld simulation tests, high temperature oven test is generally not reach the actual welding requirements, channel test reflow test can be completed (power front recommend: M Series Test reflow) fully simulate the actual welding production curve, and better ensure the quality of the testing device!

100% testing resistance at room temperature according to the technical conditions, excluding the non-conforming product.

Ordinary capacitors at room temperature according to the technical conditions, 100% testing, excluding non-conforming product.

The connector according to the technical conditions for sampling and testing of various parameters.

Filter of the semiconductor device according to the following procedures:

Secondly, the high temperature of the beginning of the visual inspection → measurement → storage → the impact of the high and low temperature → electric power aging → ??high temperature test (simulated welding test) → low-temperature test → room temperature test.

The final filter is the best electronic components.