Electronic Glossary

Production Part Approval Process (PPAP) is used in the automotive supply chain for establishing confidence in suppliers and their production processes. Actual measurements are taken from the parts produced and are used to complete the various test sheets of PPAP. …

What’s PPGA?   Plastic Pin Grid Array (PPGA) is a square-shaped plastic package whose pins or leads are arranged in a square array at the bottom of the package body. The PPGA is just one of several types of the PGA …

What’s PQFN Package?   Power Quad Flat No-leads (PQFN) is a small square-shaped or rectangular surface-mount plastic package with no leads that is capable of high power dissipation. Instead of leads, it uses metal pads around the periphery of the …

What’s PQFP?   Plastic Quad Flat Pack (PQFP) is an IC package with leads extending from all four sides of the package body. PQFP’s are predominantly square in shape, although rectangular variants do exist. The PQFP is just one of …

Sometimes referred to as ‘compliant contacts’, these are pins that have a semi-spring area on the tails. When pushed into holes in the PCB, these will make and maintain electrical contact without the need for a subsequent soldering operation.

First winding of a transformer. Winding that is connected to the source as opposed to secondary which is a winding connected to a load.

A printed circuit board (PCB) mechanically supports and electrically connects electrical or electronic components using conductive tracks, pads and other features etched from one or more sheet layers of copper laminated onto and/or between sheet layers of a non-conductive substrate, …

In computing hardware, a Processor is generally a Central Processing Unit (CPU) is the logic circuitry that responds to and processes the basic instructions that drive a computer. The CPU is seen as the main and most crucial integrated circuitry …

Encompasses fabrication, assembly, test, storage, transportation, and operation of a product.

A Programmable Read-Only Memory (PROM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse. (eFUSEs can also be used) It is one type of ROM (read-only memory). The data in …