MMBT3906FA-7B

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	200mA
Voltage - Collector Emitter Breakdown (Max):	40V
Vce Saturation (Max) @ Ib, Ic:	400mV @ 5mA, 50mA
Current - Collector Cutoff (Max):	50nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 10mA, 1V
Power - Max:	435mW
Frequency - Transition:	300MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	3-XFDFN
Supplier Device Package:	X2-DFN0806-3
Base Part Number:	MMBT3906

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IntroductionMMBT3906FA-7B is a low voltage PNP bipolar transistor, which is a single transistor type with a PNP structure. It is mainly used in transistors and electronic circuits, such as radio and digital circuits. This article will discuss about the application field and working principle for the MMBT3906FA-7B transistor type.Application FieldMMBT3906FA-7B can be used in various types of applications, including amplifiers, regular, analog, differential and audio applications. It is especially suitable for logic circuits, linear circuits and power supplies. Due to its high frequency characteristics and low saturation, it can adapt to different current and voltage changes, making it suitable for high power applications. The transistor also has high breakdown voltage and collector-base voltage, making it reliable and stable in high power applications.Moreover, the transistor is also used in automotive electronics, circuits that require high input impedance and switching, as well as general-purpose switching.Working PrincipleThe MMBT3906FA-7B works by allowing and controlling the flow of electrons from the base to the collector and from the collector to the emitter. The base acts as a control element, allowing and controlling the current flow between the collector and the emitter.When a positive voltage is applied to the base, the current flow between the collector and the emitter increases and the transistor is left in an active state. Conversely, when the base is supplied with a negative voltage, the current flow between the collector and the emitter decreases and the transistor is left in a non-active state.The electron flow between the collector and the emitter is controlled by the relative strengths of the base-emitter voltage and the collector-base voltage. The base-emitter voltage is responsible for turning the transistor on, while the collector-base voltage is responsible for turning the transistor off.ConclusionThe MMBT3906FA-7B is a low voltage PNP bipolar transistor, which is a single transistor type with a PNP structure. It is suitable for various applications, such as amplifiers, regular, analog, differential and audio applications. It can also be used in automotive electronics, circuits that require high input impedance and switching. It works by allowing and controlling the flow of electrons from the base to the collector and from the collector to the emitter. The base-emitter voltage is responsible for turning the transistor on, while the collector-base voltage is responsible for turning the transistor off.

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