BC 547 NPN Transistor
The BC547 transistor is a popular small signal transistor widely used in low-power electronic devices. BC547 is highly popular due to its high-frequency characteristics and complementary symmetry. This makes the device an ideal choice for applications such as small integrated circuits and transistor keyboards.
Description
BC547 NPN Transistor Product Introduction:
High current amplification factor: The current amplification factor can reach around 100, which makes it highly effective in amplifying weak signals and regulating voltage. It can also be used to control current, such as changing the current of a nonlinear component to regulate the power of the circuit.
Low saturation resistance: Saturation resistance refers to the sum of the voltage caused by a current increase of 1 times when the transistor operates in the saturation region between the collector and emitter, plus the static current voltage. Simply put, the lower the saturation resistance, the faster the switching speed of the transistor, which can better control the working effect of the circuit.
Low maximum power loss: The maximum power loss is very small because its maximum voltage is not high and the internal resistance of the transistor is small, which can guide more current through the transistor and improve efficiency. Within the working voltage range, its energy loss is minimal and there is very little overheating.
purpose
Amplification circuit: suitable for low-frequency and intermediate frequency amplification circuits in various amplification circuits, such as radios, speakers, etc. Its reasonable design, combined with its high current amplification coefficient and low saturation resistance, makes it widely used in various amplification circuits.
Switching circuit: It is also widely used in various switching circuits, providing stable current and voltage waveforms.
Temperature controller: A temperature controller can be made and used as a control element in the circuit. By changing the output current or voltage value of the circuit, temperature control can be achieved.
BC547 NPN Transistor datasheet:
Related product introduction：
BC548: BC548 is an upgraded version of BC547, which has higher packaging density and higher cutoff frequency. It is also a commonly used low-power NPN transistor, suitable for various amplification and switching circuits.
BC549: BC549 is a low-noise version of BC547 and BC548. It has a lower noise figure and is suitable for amplification circuits that require high signal-to-noise ratio.
BC550: BC550 is the high-voltage version of BC547, with high switching capability and high breakdown voltage. It is suitable for switch circuits that require high voltage and current.
Ultra high power modules: In addition to traditional discrete transistors, there are also some ultra high power modules that use multiple parallel connected BC547 transistors, suitable for high-power amplification and switching circuits.
BC547 in LCSC agent brands: In addition to the original BC547 produced by the factory, there are also many brands supplied by LCSC agent stores, including well-known brands such as NXP Semiconductors, STMicroelectronics, ON Semiconductors, etc., all of which meet various quality standards and performance requirements.
Company Overview: TRR Electronics Co., Ltd(Hereinafter referred to as "TRR")
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TRR Electronics Co., Ltd. is renowned for its diverse product line, covering multiple categories such as chips, resistors, capacitors, connectors, etc. This diversity not only gives the company a competitive advantage in various segmented markets, but also meets the multi-level needs of customers.
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In addition to standard products, TRR provides flexible customized solutions. The company has a professional R&D team that can work closely with customers to design and customize products according to their specific needs, ensuring that the personalized needs of different industries and applications are met.
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