This trend among BC5xx line components is also true with collector emitter voltage. It’s rated for 50 volts of collector base voltage-equal to the BC550, less than the BC546, and more than the BC548 and BC549, both of which have the least voltage tolerance. The BC547 is, in general, a transistor variant that balances the minimum and maximum capacities of the BC5xx line. Physical dimensions from the BC547 datasheet. Designers should not put undue stress on any of the components in the BC5xx line-although they are rated well, they function best at lower levels of stress. They are rated for 100 mA of current in the collector base and can dissipate 500 mW of power. Forcing the transistors to operate in an environment hotter than 150 degrees Celsius could quickly damage them. It can be included in a variety of general purpose projects as an amplifier or switch. The BC547, like the other members of its line, can function over a wide range of temperatures, from -65 to 150 degrees Celsius. All the transistor variants are approximately the same size, at 5 mm in width and 20 mm in length, but some may be slightly smaller or larger. The prongs intersect the base close to its top surface, rather than having the base centered vertically. The BC547B, a particularly common component, has straight prongs. Depending on the BC5xx line variant, these prongs can be bent or straight. They look like an elongated jellyfish, with 3 prongs to carry current and a base to coordinate current flow through the prongs. Similarities in the BC5xx LineĪll members of the BC5xx line, including the BC547, are NTN silicon transistors. The datasheet only comprises a concise 8 pages most datasheets are usually around a minimum of hundred pages.
In addition, the datasheet is unusual compared to most, as it doesn’t go into the same level of technical detail as many other datasheets. The datasheet is valid for all members of the BC5xx line, unless it explicitly mentions important differences. Yet, it does also bring the reader’s attention to some important differences. From the BC546 through the BC550, the datasheet focuses on the similarities between these components. The BC547 datasheet is unusual because instead of describing a single component, it describes a large group of related components, including the BC547. The key difference between components in the BC5xx line is their different tolerances for base, collector, and emitter voltages. Each of these variants is optimized for different voltage and noise levels, although they have the same basic physical structures as other components in the BC5xx line. The BC547, according to its datasheet, has 8 variants. All of the transistors in the BC5xx line are very similar, but each has slightly different technical specifications. The BC547 is one component in a line of NTN silicon transistors provided by ON Semiconductor. Featured BC547 variants in the Ultra Librarian search engine.
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