![]() *This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information. The company was acquired by ON Semiconductor in 2016 and its products and technologies continue to be developed and sold under the ON Semiconductor brand. The company was known for its innovation in the development of the first commercial transistor and for its contributions to the advancement of the integrated circuit technology.įairchild became a leading supplier of power semiconductors, analog and mixed-signal integrated circuits, and other semiconductor products. It acts as amplifier while operating in an active region.Fairchild Semiconductor was a pioneering semiconductor company that was founded in the late 1950s. The transistor can amplify the power, current and voltage at different configurations. This is why a resistor is connected in series with the base pin. The current at the base pin should me 5mA maximum more than it will destroy the transistor. ![]() When we provide the required amount of current at the base pin, the transistor will be an open switch when it is forward biased and it will e a closed switch when it is reverse biased. When a transistor is working as a switch, it works on two modes saturation region and cut off the region as explained earlier. Operating Temperature (To) -55 to 155 C.Maximum Collector-Base Voltage (Vcb) 60V.Maximum Collector-Emitter Voltage (Vce) 40V.2N3904 usually used for the purpose of amplification and fast switching.When it acts as a switch, maximum current it can support is 100mA while acting as an amplifier, the maximum frequency it can support is 100Mhz.ĢN3904 NPN Specifications and Features 参数 When the current through the base is removed, the transistors are fully off at that time this mode is called as cut off region. When the transformer is wholly biased it allows full current to pass through emitter and collector that is 200mA. When transistor is being used as a switch it operates in two modes cut off region and saturation region. We have to supply current to the base pin to bias the transistor and this current value should be restricted to 5mA. Datasheet transistor 2N3904 Karakteristik dan datasheet transistor 2N3904 dapat dilihat pada tabel berikut ini : Data pin kaki transistor 2N3904 Susunan dan gambar transistor 2N3904 diperlihatkan pada gambar di bawah ini. Thus we can not use this transistor for loads which consumes more than 200mA. Daya sebesar ini biasanya dipakai untuk sirkuit driver penguat sinyal. The maximum amount of current which can flow through collector pin is 200mA. The amplification capacity of the transistor is determined by the gain value of NPN transistor which is 300 for 2N3904. In 2N3904, when the base pin is grounded the emitter and collector will be opened which is known as reverse-biased while the emitter and collector will be closed when the signals will be transferred to the base pin this is known as forward biased. It is a type of Bipolar Junction Transistor BJT as it is a current-controlled transistor. Product Attributes Report Product Information Error View Similar Documents & Media Environmental & Export Classifications Obsolete This product is no longer manufactured. Exact specifications should be obtained from the product data sheet. It has three terminals Emitter, Base and Collector. Transistors - Bipolar (BJT) - Single STMicroelectronics 2N3904 Share Image shown is a representation only. 2N3904 is an NPN transistor which is used for general purpose including switching and amplification.
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