FJY3012R Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Transistor Type:	NPN - Pre-Biased
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	40V
Resistor - Base (R1):	47 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 1mA, 5V
Vce Saturation (Max) @ Ib, Ic:	300mV @ 1mA, 10mA
Current - Collector Cutoff (Max):	100nA (ICBO)
Frequency - Transition:	250MHz
Power - Max:	200mW
Mounting Type:	Surface Mount
Package / Case:	SC-89, SOT-490
Supplier Device Package:	SOT-523F
Base Part Number:	FJY3012

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The FJY3012R can be classified under transistors - bipolar (BJT) - single, pre-biased. This type of transistor is used in numerous types of digital logic circuits, analog to digital converters, RF amplifiers and oscillators, logic gates, motor control circuits, etc. It is a very useful component for a variety of electronic applications.The FJY3012R is a single-stage bipolar junction transistor (BJT) device with a pre-biased collector. A BJT is basically a three-layer semiconductor device with an emitter, collector and base. The collector is connected to the emitter, and the two are separated by a thin layer of with a P-type dopant material, which is usually composed of boron or indium. When a voltage is applied to the base, the current flows through the emitter and to the collector and on to the load. Because the collector is pre-biased and connected to the emitter, the voltage on the collector is lower than it would be otherwise. This makes the BJT relatively easy to drive with a low-voltage signal.The BJT also has a high input impedance, meaning that it is relatively unaffected by the input voltage, while at the same time having a relatively low output impedance, meaning that it can provide a good level of current to the load, even when the input is low. This is particularly useful in applications where the input voltage is not always available, such as in some switching applications.The FJY3012R is mainly used in power amplifier circuits. It is designed to provide a high current gain, which is useful for boosting signal levels and improving performance in power amp applications. It is also useful in motor control circuits, as it provides fast switchover when driven properly. In addition, the FJY3012R has a relatively low power dissipation, which makes it a popular choice for applications such as audio amplifiers and stereo systems.The FJY3012R is also often used in analog to digital converters, providing a reliable and accurate method for converting an analog signal into its digital equivalent. This is especially useful for applications such as digital signal processing, where precision and accuracy are crucial.In addition, the FJY3012R is often used in logic gates. For these applications, it is particularly useful for processing binary information, allowing logic circuits to be implemented using basic logic components.Overall, the FJY3012R is a very useful component for a variety of electronic applications. Its high current gain, low power dissipation, and low output impedance make it an ideal choice for a variety of power amplifier, analog to digital converter, motor control, and logic gate applications.

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