These types of bipolar transistors are made of materials such as germanium, silicon or gallium arsenide. That is, they are not field effect transistors like FETs, light-controlled phototransistors, etc. They are all of the bipolar or bipolar junction type (BJT for Bipolar Junction Transistor). The BC547 belongs to the family of transistors with similar characteristics as the BC546, BC548, BC549 and BC550. There are also other designations such as the BF, but in this case it is used to identify the transistors used for RF (radio frequency), that is, those that achieve good gains at very high frequencies. In addition, for its acronym BC It shows that it is a silicon transistor (B), for low frequency (C). The differences between the series were basically encapsulated, being the same inside. And it evolved from BC108, BC238, to what we now know as BC548 with an encapsulation cheaper type TO-92, and from here came variants such as the BC547. Later it would have a new plastic package and renamed with the code BC148. That package was considerably more expensive than the plastic equivalent TO-92, but the heat dissipation is better in the former.
Initially it was named with the BC108 nomenclature and had a TO-18 type metal encapsulation (Transistor Outline package - case style 18 ). It is a bipolar junction transistor that was originally developed by Philips and Mullard between 19. *This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.If you are a maker, you like DIY and electronics, surely you have ever needed to use a BC547 transistor. The company's legacy continues through its subsidiaries and its technology and products continue to be used around the world. Motorola was one of the pioneers of the mobile phone industry and has a rich history of innovation and technological advancements. The company provides a wide range of products including two-way radios, mobile computing devices, and network infrastructure equipment. Motorola Solutions focuses on public safety and commercial and industrial communication solutions. Motorola Mobility was later acquired by Google in 2012, and is now a subsidiary of Lenovo. In 2011, Motorola split into two separate companies: Motorola Mobility and Motorola Solutions. Throughout its history, Motorola was known for its innovation in the field of telecommunications, including the development of the world's first commercially available cellular telephone, the DynaTAC, and the world's first two-way pager, the Pageboy. It was headquartered in Schaumburg, Illinois and was one of the largest providers of mobile phones, telecommunication equipment, and semiconductors. was an American multinational telecommunications company that was founded in 1928.
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