BC307BU

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Transistor Type:	PNP
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	45V
Vce Saturation (Max) @ Ib, Ic:	500mV @ 5mA, 100mA
Current - Collector Cutoff (Max):	15nA
DC Current Gain (hFE) (Min) @ Ic, Vce:	120 @ 2mA, 5V
Power - Max:	500mW
Frequency - Transition:	130MHz
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:	BC307

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BC307BU is a BJT transistor which belongs to the family of single transistors. It is a PNP Transistor that has general purpose digital and analog applications, as well as audio amplification for low-power purposes. BC307BU uses a semiconductor material of silicon base, and its physical design is hermetically sealed, which makes it a reliable option for an array of electronics. Its collector-emitter voltage is a maximum of 40 Volts, has a maximum collector-base voltage of 60 Volts and has a base-emitter voltage of 5 Volts. It also has a collector current of 0.1 Amps and a maximum power dissipation of 625 mW at 25°C.BC307BU is widely used in analog and digital applications, as well as audio amplifiers. One of the unique features that make BC307BU an appealing choice for analog applications is its wide bandwidth of up to 400 MHz, increasing design flexibility for signal processing equipment. Additionally, its high DC current gain and low output capacitance reduce signal distortion and noise and provide excellent gain stability.In addition to its use in analog signal processing and amplification, BC307BU is also a popular choice for digital applications, such as logic gates, logic buffers and power switches. Its compatibility with logic levels and low-power digital systems ensures that it can be used in a variety of devices with low power consumption and low power dissipation.The working principle of BC307BU is fairly simple. It is basically an amplifier with a base, collector and emitter. When the base voltage is increased, current flows through the base, then through the collector-emitter path and then out of the emitter. This current flow is amplified and forms the output signal. The gain of the amplifier is determined by the ratio of the collector current to the base current.Since it is a PNP transistor, BC307BU works by allowing a current to flow from collector to the emitter when bias is applied to the base. Basically, when a voltage is applied to the base, an electron current is drawn from the n-type silicon substrate to the base region in the transistor. This electron current that is drawn from the p-type silicon substrate to the base region of the transistor is known as the base current. The amount of current that is drawn from the base to the collector is greater than the current drawn from the base to the emitter. Consequently, this difference in the current drawn into the base and the current drawn out of the base is amplified, creating an amplified signal at the collector of the transistor.In summary, BC307BU is a PNP transistor that has been designed with wide bandwidths, low output capacitance, high DC current gain and low power requirements, making it an excellent choice for analog and digital applications. Its working principle is relatively straightforward, in that it amplifies the current difference between the base and the collector or emitter. With its reliable performance, BC307BU is an asset to an array of digital and analog electronics.

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