Mobile phones come in several different physical styles (form factors). While manufacturers are continually coming up with new types of designs, there are several common categories used on this site t [..]

The physical size and shape of a device. It is often used to describe the size of circuit boards. Also see From AT to BTX: Motherboard Form Factors  in Webopedia's "Did You Know...?& [..]

See Coefficient of Form.

Form factor refers to the size and shape of a motherboard. Read more about motherboard form factors.

The physical size, pin-out, and configuration of a component. A family range of module, for example, may include 2G, 3G, and 4G variants to allow PCB designers to design in one module but allow for future upgrades through the product family’s road map.

The physical device that contains the smart card chip. Smart chip-based devices can come in a variety of form factors, including plastic cards, key fobs, wristbands, wristwatches, PDAs, and mobile pho [..]

Ratio of the root-mean-square value of an alternating quantity to its rectified value.

the size, shape, or physical design of an object. It's a largely useless technobabble term that can almost always be replaced with "size," "shape," or "design," or o [..]

Ratio of the root-mean-square value of an alternating quantity to its rectified value.

Refers to the size and shape of a keyboard. E.g. Full size, TKL, 75%, 60% etc.

The general look, or size and shape, of a mobile device. All mobile phones are similar at the physical style level. Most devices fall into one of the following categories: Bar, Clamshell, Flip down, S [..]

A form factor is a computer or piece of electronic hardware's overall design and functionality, which is usually highlighted by a prominent feature, such as a QWERTY keyboard, a touch-screen or t [..]

The physical device that holds the smart card technology, these could be plastic cards, wristbands, key fobs or mobile phones.

The package that holds the chemical make-up of polymer and carbon. PPTCs are packaged in the following forms; radial, axial, surface mount chips, disks, and washers.

The size of a piece of gear in length, width and depth. The defined size of an equipment chassis, PC board or rack or any other component. For example a a mother board as a particular size or form fac [..]

Ratio of the rms value to the average value in a periodic waveform.