Allicdata Part #: | CMPT491ETR-ND |
Manufacturer Part#: |
CMPT491E TR |
Price: | $ 0.08 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Central Semiconductor Corp |
Short Description: | TRANS NPN 60V 1A SOT-23 |
More Detail: | Bipolar (BJT) Transistor NPN 60V 1A 150MHz 350mW S... |
DataSheet: | CMPT491E TR Datasheet/PDF |
Quantity: | 1000 |
3000 +: | $ 0.06906 |
6000 +: | $ 0.06522 |
15000 +: | $ 0.05947 |
30000 +: | $ 0.05564 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Transistor Type: | NPN |
Current - Collector (Ic) (Max): | 1A |
Voltage - Collector Emitter Breakdown (Max): | 60V |
Vce Saturation (Max) @ Ib, Ic: | 400mV @ 100mA, 1A |
Current - Collector Cutoff (Max): | 100nA (ICBO) |
DC Current Gain (hFE) (Min) @ Ic, Vce: | 200 @ 500mA, 5V |
Power - Max: | 350mW |
Frequency - Transition: | 150MHz |
Operating Temperature: | -65°C ~ 150°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | TO-236-3, SC-59, SOT-23-3 |
Supplier Device Package: | SOT-23 |
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Introduction
CMPT491E Tr, also known as single bipolar transistors (BJTs), is a commonly used three-terminal device used to amplify an electrical signal. It is an important device for a wide range of applications, from small-scale switch control to large-scale radio and television circuit amplifications. This article will discuss the basic working principle of the transistor, as well as its practical applications, in order to gain a better understanding of the potential uses of the device.
Basic Principle of the CMPT491E Tr
The transistor is a semiconductor device, which means that it has two circuitterminals connected to an isolated semiconductor material. The two connected to the material are called the emitter and the collector. The third and finalterminal, or base, is electrically isolated from both. To ensure proper functioning of the transistor, these three terminals must be connected in either an NPN or PNP manner.
When the base and emitter terminals are connected, current flows through the device, leading to a "forward biasing" and switched-on condition. Conversely, when the base and collector are connected, current is blocked and the device is considered to be "reverse biased" and switched-off. By manipulating the voltage at the base terminal, it is possible to switch the transistor between these two states and control the current flowing between the collector and the emitter.
In addition, the transistor can be used as an amplifier, where a small input signal is applied to the base terminal, resulting in a larger output signal at the collector. The amount of current gain is determined by the current ratio between the collector and the emitter, known as current gain. The larger the current gain, the higher the amplification of the signal.
Applications of CMPT491E Tr
Transistors are used in a wide variety of different applications. They are used as switches and integrated with computers, controllers, amplifiers and various other types of electric and electronic equipment. The most common use for BJTs is in amplifier circuits, where they are used to amplify or boost a small electronic signal to a much larger level, allowing it to be used for various purposes, such as driving a speaker or providing power to a component. They can also be used in rectifier circuits to convert alternating current (AC) to direct current (DC) and as voltage regulators to maintain a constant output voltage from an input voltage.
Transistors can also be found in communications systems, where they are used to “interface” between digital and analog signals. Another important use is in signal processing devices, such as digital mixers and audio processors, where transistors are used to manipulate the amplitude, frequency and time domain characteristics of signals. Finally, transistors are also used in many medical applications for power supply, signal conditioning and amplification.
Conclusion
The CMPT491E Tr is a three-terminal device commonly used in a wide array of applications, from amplifiers to medical systems. Its basic principle is to manipulate the current between the emitter and collector by controlling the voltage of the base terminal, allowing it to be used as an amplifier, switch or voltage regulator. Through this article, we have discussed the basics of the transistor and its practical applications.
The specific data is subject to PDF, and the above content is for reference
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