Transistors refer to all single components based on semiconductor materials. Transistors have multiple functions such as detection, rectification, amplification, switching, voltage stabilization, signal modulation, etc. Transistors can be used for various digital and analog functions. Transistors are one of the most critical components of modern appliances, produced on a large scale at extremely low unit costs. Due to its fast response speed and high accuracy, transistors can be used for various digital and analog functions, including amplification, switching, voltage regulation, signal modulation, and oscillators. Therefore, it is necessary to measure transistors. The purpose of a transistor tester is to ensure that the quality and performance of electronic components meet specifications during the manufacturing and production process. This blog will introduce what is a transistor tester and how it works.