The phrase "a component called" is correct and usable in written English.
You can use it when introducing or describing a specific part or element of a larger system or concept.
Example: "In the software architecture, there is a component called the user interface that handles all user interactions."
Alternatives: "an element referred to as" or "a part named".
Some games add a component called a reserve.
Usually, when hackers try to install malware on a computer via the browser, they look for bugs in a component called the rendering engine.
Every standard LCD display has a component called a backlight, which is made of two parts: a light source and an attached "light guide," made of plastic.
In the 1990s, the National Security Agency had to give up on asking companies to secure everything using a component called the Clipper Chip, to which it retained a master key, after a researcher showed the system was deeply flawed.
You will be prompted for a name for the subcircuit; call it NAND1 (note the 1 at the end; because there is a component called NAND, you cannot call it NAND).
As part of a new curriculum approach this year for Harvard Medical School students in the Harvard-MIT Program in Health Sciences and Technology HSTT), members of this year's entering class were invited to meet patients during the students' very first weeks of medical school as part of a component called Patients First.
Second, it enhanced an enzyme whose activity avoids the buildup of the plaque characteristic of Alzheimer's and particularly of a toxic component called A-beta peptide.
The smallest feature was a transistor component called a gate--an electrode that controls the flow of electric current in the device--just 20 nanometers long.
And another issue involves a transistor component called a "gate," a sort of switch that controls the flow of electrons.
BitLocker is used in conjunction with a hardware component called a Trusted Platform Module (TPM).
Much of this can be blamed on a screen component called a polarizer.
