In which part of the Pacific Ocean trade winds form?

The trade winds are Pacific winds that form in its basin. To answer the question, in which part of the Pacific Ocean trade winds are formed, their features should be indicated:

wind data is uniform in strength. After all, they are not impeded by the terrain on land. Therefore, the property of winds was constantly used by sailors. Having caught the trade wind, they could be sure that they would soon get to the place they needed;
the trade winds are tied to the tropics. This is the northern and southern tropics, which are located at 30 degrees latitude from the equator. Above this geographic line, trade winds do not form or function;
the area of ​​formation of these winds is the tropics. That is, the area that is located from the equator and up to 30 parallel to the north. And the area from the equator to 30 parallel in the south.

It is in this part of the Pacific Ocean that the trade winds are formed. They cannot be found in more northern or southern latitudes.