The phrase "a very small component" is correct and usable in written English.
You can use it when describing something that is a minor or insignificant part of a larger whole.
Example: "In the complex machinery, a very small component can often be the key to its overall functionality."
Alternatives: "a tiny part" or "a minuscule element."
Inspiration is a very small component.
"This video is a very small component of what has been a very long-term commitment by American Airlines on this issue of pilot fatigue training," he said.
You quote Michael First as saying that in the "huge over-diagnosis and overuse of medication" in psychiatry, the D.S.M. is "a very small component".
A medical credit card is "one payment option among several a provider may offer and represents a very small component of health care financing for elective procedures," said Stephen White, a spokesman for CareCredit, a medical credit card issued by GE Money.
The stone used for the production of stone tools in most Mousterian sites tends to derive from within a five- to six-kilometer range from the site, and only a very small component originates from more distant sources (Mellars 1996).
The isotopic analyses agree with zooarchaeological studies in finding a very small component of marine foods in Neanderthal diets, in sharp contrast with Upper Paleolithic modern humans (see Richards et al. 2001, 2005).
Taking into account the very small component of the normal stress of concrete in the tension zone, which is normally neglected when determining the bending capacity, it is assumed that the damage is potentially localized in a narrow band that tends to connect the tips of existing flexural cracks.
That is, large initial velocity (v_{0}), with very small component (h_{0}), large component (Q u_{0},v_{0})), and displacement (u_{0}) such that the nonlinear source dominates (Vert u_{0} Vert _{V}^{2}) but is smaller than (Q u_{0},v_{0})).
"Silicon, as a material, has certain properties that could be useful in making some of the very small components for a watch movement," he said.
The evolved microstructure exerts a significant effect, in particular, in very small components such as solder joints in microelectronic packages.
"We have a lot more transactions of different kinds, most of which have a very small memory component," he said.
