The phrase "a key component that" is correct and usable in written English.
You can use it when discussing an essential part of a larger system, process, or idea that contributes significantly to its function or effectiveness.
Example: "Collaboration is a key component that drives innovation within our organization."
Alternatives: "an essential element that" or "a crucial factor that".
The column generation procedure is a key component that affects the performance of a branch-and-price algorithm.
IEC is positioned as a key component that drives strategy and implementation of international SMEs which in sequence enhance their overall performance.
ROI selection is a key component that has to be designed to provide generic obstacles at lowest false negative rate and maintain a low number of false positives.
Since Gmail's goal is to collect all of your email communication without you having to worry about what to delete, with its archive feature, search is a key component that makes its service attractive.
A key component that enables self-adaptive systems to handle changes at run-time (e.g. repairing anomalies and improving operation) is a controller that relies on a feedback control loop for managing adaptations [1] by executing actions through system-level effectors on the target system, based on information monitored by probes.
To be sure, the media did have a field day with this PEW Report, but few addressed a key component that gives greater value to its findings.
If Facebook wants to be a major Internet pillar, and I don't doubt that's what Mark Zuckerberg wants, then it is missing a major key component that all of its competitors have: A conduit.
Global recommendations point national maternal health programs to a set of key components that should be addressed to successfully reduce maternal morbidity and mortality: Postpartum hemorrhage and preeclampsia/eclampsia are the 2 leading causes of maternal death.
Although in vitro data provide an indication of the key components that should be built into a model, clinical data are also a source of information.
While rankings and experiences will vary, it is likely that there is a common set of key components that constitute overall sleep quality.
Armed with this information, you can design an offering that has the key components that has already made someone else a lot of money.
