2SD1805G-TL-E Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	NPN
Current - Collector (Ic) (Max):	5A
Voltage - Collector Emitter Breakdown (Max):	20V
Vce Saturation (Max) @ Ib, Ic:	500mV @ 60mA, 3A
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	280 @ 500mA, 2V
Power - Max:	1W
Frequency - Transition:	120MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	2-TP-FA
Base Part Number:	2SD1805

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2SD1805G-TL-E Application Field and Working Principle

The 2SD1805G-TL-E transistor is one of the most popular transistors in the world. It falls under the category of transistors used to amplify or switch electronic signals and electrical power. Specifically, it is a bipolar junction transistor (BJT) that consists of single semiconducting material. This type of transistor is a current-controlled current source and is commonly used for amplifier applications.It is a NPN-type transistor with three basic layers of semiconductor material. These layers consist of an emitter, base, and collector, which also make up the main parts. The main role of the base is to control current that flows between the collector and emitter. When current flows through the base, the electrons are able to flow from the collector to the emitter. As the base-emitter voltage increase, the collector current increases linearly. The voltage of the base is usually 2V when ON and 0.5V when OFF.The primary application of the 2SD1805G-TL-E is as an amplifier. It can be used to amplify an input signal up to a desired level. This is because the transistor amplifies current by providing a gain ranging from 40 to 1000. The transistor is also commonly used as a switch. When a voltage is applied to the base, the current is able to flow through it and the transistor can be activated. When the base voltage is removed, the transistor is turned off and the current stops flowing.In addition to amplification and switching, this type of bipolar transistor can also be used for logic gates or as an oscillator. As a logic gate, it can be used to implement Boolean logic operations. This means that it can compare as well as manipulate digital signals and output the result as either a high (1) or low (0) signal. As an oscillator, the transistor is capable of producing a repetitive waveform that can be used for frequency and timing applications. The 2SD1805G-TL-E can be connected in a variety of ways depending on the application. For amplifier applications, the transistor is usually found in a common-emitter configuration and it is useful for a number of different audio-related applications as well as general-purpose amplification. For switching applications, the transistor is typically used in a common-base configuration and can be used in power applications such as DC motor control and power switching.Overall, the 2SD1805G-TL-E is a versatile transistor that can be used for a variety of applications. It is a NPN type transistor consisting of single semiconducting material with gain ranging from 40 to 1000. This transistor is mainly used for amplifier and switching applications and is also capable of implementing logic operations and producing an oscillatory waveform. With its discrete three layers of semiconductor material, the transistor is a great device for both simple and complex circuitry.

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