BF423,112

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Transistor Type:	PNP
Current - Collector (Ic) (Max):	50mA
Voltage - Collector Emitter Breakdown (Max):	250V
Vce Saturation (Max) @ Ib, Ic:	600mV @ 5mA, 30mA
Current - Collector Cutoff (Max):	10nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	50 @ 25mA, 20V
Power - Max:	830mW
Frequency - Transition:	60MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package:	TO-92-3
Base Part Number:	BF423

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The BF423,112 is a type of single bipolar junction transistor (BJT) which has been primarily designed for use in a variety of different applications. It provides a reliable and cost effective solution for a wide range of applications that require amplification or switching of input signals.The BF423,112 utilizes a silicon epitaxial planar structure, which endows it with excellent electrical characteristics even at higher temperatures. In addition, it has been designed to be compatible with most transistor electrodes and features which allows it to operate with other transistors in the same circuit.The main purpose of the BF423,112 is to amplify electrical signals. This is derived from its relatively low input voltage, and its ability to convert this small voltage into a greater output voltage. This is achieved through its bipolar junction, and its ability to transfer current between its base and collector.The typical working principle of the BF423,112 is that when a voltage is applied to its base, it causes a current to flow between its base and collectors. This current creates a strong enough electric field to allow electrons to move between the collector and the emitter. This allows a larger voltage to be generated at the collector end than the one at the base end, thus amplifying the signal.The BF423,112\'s other primary function is to act as a switch. When a voltage is applied to its base, it will conduct current from its collector to its emitter allowing current to pass between the two. When the voltage is removed, it cuts off the current flow and will remain in this state until a voltage is reapplied.The BF423,112 has a wide range of applications, due to its gain and high speed capabilities, as well as its wide frequency range. It is used as an amplifier in a variety of consumer audio and video equipment, including televisions, video projectors, home theater systems and car amplifiers. It is also used as an electronic switch in defense, communication, automotive and industrial automation systems.Due to its low input voltage, high speed, gain, and wide frequency range, the BF423,112 is perfect for a variety of applications, including consumer electronics and industrial automation. Additionally, because it is a single bipolar junction transistor, it is a cost effective and reliable solution for both very simple and complex circuits.

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