2N3906TAR Allicdata Electronics
Allicdata Part #:

2N3906TARFSTB-ND

Manufacturer Part#:

2N3906TAR

Price: $ 0.00
Product Category:

Discrete Semiconductor Products

Manufacturer: ON Semiconductor
Short Description: TRANS PNP 40V 0.2A TO-92
More Detail: Bipolar (BJT) Transistor PNP 40V 200mA 250MHz 625m...
DataSheet: 2N3906TAR datasheet2N3906TAR Datasheet/PDF
Quantity: 14000
Stock 14000Can Ship Immediately
Specifications
Series: --
Packaging: Tape & Box (TB) 
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): --
DC Current Gain (hFE) (Min) @ Ic, Vce: 100 @ 10mA, 1V
Power - Max: 625mW
Frequency - Transition: 250MHz
Operating Temperature: -55°C ~ 150°C (TJ)
Mounting Type: Through Hole
Package / Case: TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package: TO-92-3
Base Part Number: 2N3906
Description

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2N3906TAR is a PNP bipolar junction transistor (BJT) that belongs to the Single family. It is commonly used as a switch or amplifier when a low-power signal needs to be amplified or switching between two states. It has an approximated power dissipation of 500mW and is known to be semi-conductive. This article will discuss the application of 2N3906TAR and its working principle.

Applications of 2N3906TAR

2N3906TAR is typically used for analog sensing applications and for pre-amplifying signals. It can also be used for switching components in small electronic systems, such as in small data loggers or medical device controllers. Additionally, this transistor can be used as a pre-amplifier for audio signals, such as for amplifying an electric guitar signal for recording. The transistor can also be used in small logic circuits, as it is highly reliable and efficient.

Working Principle of 2N3906TAR

2N3906TAR operates using the biasing of two junctions. Junctions are formed at the point where two dissimilar crystalline materials come into contact with each other. The two junctions present in the 2N3906TAR are called the emitter (E) and the collector (C). When a Electric Potential is applied to the emitter, a current automatically flows through both junctions by the biasing of the two junctions. This current flow through both the junctions is what is referred to as the collector current (Ic). The amount of this collector current depends on the amount of base current that flows through the Base (B) of the transistor.
This base current is relatively small and it is generated externally by allowing a small current to flow through the B–E junction. This current is also known as the forward bias. The current that flows through the B–C junction is much larger than the current that flows through the B–E junction. This is used to change the switching of the transistor from OFF to ON.. The amount of current that flows through the collector junction can be used to amplify signals.
The 2N3906TAR transistor has two configurations, namely Common Emitter (CE) configuration and Common Collector (CC) Configuration. In the CE configuration, the emitter junction is grounded and the current flows out through the collector when a voltage is applied to the Base. The CC configuration holds the collector as a reference and the emitter is the output of the transistor.

Conclusion

2N3906TAR is a single PNP bipolar junction transistor that is especially useful for low-power circuits. It is often used for switching and pre-amplifying signals. It works by biasing two junctions, the emitter and collector junctions. Its working principle involves the flow of current through the two junctions with the amount of base current being relatively small. It also has two configurations, CE and CC, which determine the output and reference of the transistors. 2N3906TAR is an efficient, reliable and easy to use transistor for small electronic applications as discussed in this article.

The specific data is subject to PDF, and the above content is for reference

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