The phrase "a relevant component" is correct and usable in written English.
It can be used when discussing elements or parts that are significant or applicable to a particular context or subject matter.
Example: "In our analysis, we identified a relevant component that significantly impacts the overall outcome of the project."
Alternatives: "an important element" or "a significant part".
The nervous system is now recognized to be a relevant component of the tumor microenvironment.
A relevant component of these fluctuations can be understood in terms of the electromagnetic fields produced by the thermal motion of the charged particles.
Forest knowledge and management of the commons represents a relevant component of this heritage that is being progressively lost when critical management problems are not solved.
The energy loss from plants leaves and other interface surfaces to the sky is a relevant component of the surface radiation budget (SRB).
Open data alone, though a relevant component of these strategies, cannot provide enough incentives for the engagement of citizens necessary to establish a collaborative and open governance system; data need to be appropriately elaborated, communicated and used.
These results indicate that hormone signaling is a relevant component in plant pathogen interactions, and that the ability to dictate hormonal directionality is critical to the outcome of an interaction.
On this account, a constitutively relevant component is an insufficient but non-redundant part of an unnecessary but sufficient mechanism for a given phenomenon (Couch 2011; see also Harbecke 2010, 2014).
From the other side, it is observed that their complex functioning and organization is often associated with the adjustment of all (or a relevant portion of) their dynamical components into a collective synchronized motion.
Self-efficacy was a relevant factor for both exercise components (p < 0.05).
The Crowbar System is a key protection system for the Super Conducting Magnet Power Supplies (SCMPSs) of JT-60SA, it is a Safety Relevant component and it is designed to be seismic resistant.
Similarly, innovativeness is perceived as a highly relevant component of entrepreneurial orientation in the family firm context (Nordqvist et al. 2008; Zellweger and Sieger 2012).
