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Bipolar transistor aufbau9/2/2023 ![]() ![]() Transition frequency (gain-bandwidth product) f t = 150 MHz minimum (300 MHz typical).Rated total power dissipation P total = 500 mW (some manufacturers may specify 625 mW - see below).Rated continuous collector current I C = 100 mA (Fairchild's BC548 at one time had a higher rating). ![]() Breakdown voltage, collector-to-emitter with base open-circuit V CEO = 30 V (see below).Devices registered to this Pro Electron number must have the following minimum performance characteristics: The BC548 part number is assigned by Pro Electron, which allows many manufacturers to offer electrically and physically interchangeable parts under one identification. Sometimes the middle pin is supplied bent to form a triangle of leads (as found in TO-18 case transistors and, for example, the ZTX108-L) to match the pinout of the BC108 more exactly. lead 1 (left in diagram) is the collector,.As viewed in the top-right image, going from left to right, the pinout is as follows: the "pinout", uses the same convention used by some - but not all - other TO-92 devices. The assignment of transistor elements (b,c,e) to leads, i.e. The BC548 is supplied in a standard TO-92 3-pin package. Thus the BC548 (or BC546 to 550) is a valid substitute in any circuit designed for the older BC108 (or BC148), which includes many Mullard and Philips published designs. Datasheets for the BC548 give specifications that are identical to, or exceed, those of the BC108, BC148 and BC238 predecessors. The BC548 is the modern plastic-packaged BC108 the BC548 article at the Radiomuseum website describes the BC548 as a successor to the BC238 and differing from the BC108 in only the shape of the package. The BC548 is a part of a family of NPN and PNP epitaxial silicon transistors that originated with the metal-cased BC108 family of transistors. The BC548 is low in cost and widely available. It is notably often the first type of bipolar transistor hobbyists encounter and is often featured in designs in hobby electronics magazines where a general-purpose transistor is required. Our product offerings include millions of PowerPoint templates, diagrams, animated 3D characters and more.The BC548 is a general-purpose NPN bipolar junction transistor commonly used in European and American electronic equipment. is brought to you by CrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. Then you can share it with your target audience as well as ’s millions of monthly visitors. We’ll convert it to an HTML5 slideshow that includes all the media types you’ve already added: audio, video, music, pictures, animations and transition effects. You might even have a presentation you’d like to share with others. And, best of all, it is completely free and easy to use. Whatever your area of interest, here you’ll be able to find and view presentations you’ll love and possibly download. It has millions of presentations already uploaded and available with 1,000s more being uploaded by its users every day. is a leading presentation sharing website. The measure of amplification is the gain of Its input, but the polarity of the signal is The input signal is amplified by thisĬircuit. The power gain is the product of currentĪs you see, the transistor is biased to be always The circuit may beĭesigned to increase the current or voltage Increase input signal in radios, televisions and ![]() Transistors are often used as amplifiers to When the light reaches a certain intensity.
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