DATASHEET 2N2905 PDF
2N Low Power Bipolar Transistors. Page 1. 07/04/06 V Features: . Disclaimer This data sheet and its contents (the “Information”) belong to the. 2N Datasheet, 2N PNP Switching Transistor Datasheet, buy 2N Transistor. 2N Transistor Datasheet pdf, 2N Equivalent. Parameters and Characteristics.
|Published (Last):||13 June 2004|
|PDF File Size:||7.52 Mb|
|ePub File Size:||8.14 Mb|
|Price:||Free* [*Free Regsitration Required]|
Facilities Lab Research in the department is conducted in a variety of laboratories equipped with state-of-the-art equipment, with research funding coming from federal, state, and private sources.
Here lets us assume the load here consumes around mA maximum so our collector current I C mA. Amplifier modules like Audio amplifiers, signal Amplifier etc.
Current flows in through collector, normally connected to load. This resistor 2n205 connected to the base pin of the transistor to limit the current flowing through the base.
In addition to supporting the various labs in the EL building, we also provide equipment and manual check-out and a wide range of electronic components for sale. Complete Technical Details can be found at the datasheet given at the end of this page. Engineering Program is accredited by: Submitted by admin on 21 June The maximum amount of current that could flow through the Collector pin is mA, hence we cannot connect loads that consume more than mA using this transistor.
SGS Thomson Microelectronics
Current Drains out through emitter, normally connected to ground. Search the directory for faculty or staff members. The 2N is a NPN transistor and is normally n22905 as a switch in many circuits.
When base current is removed the transistor becomes fully off, this stage is called as the Cut-off Region and the Base Emitter voltage could be around mV. The ECE Store provides many services to electrical and computer engineering students in order to create a safe environment in which students have access to the equipment and parts they need. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA by using a transistor to the base pin.
TL — Programmable Reference Voltage. In our case for a collector current of mA we have to pass a base current of 16mA. Prices are subject to change without notice. Since transistor is of NPN the load to be switched should be connected to the collector and the emitter should be connected to the ground as show in the figure below. So if you looking for an NPN transistor that could switch loads or for decent amplification then 2N might the right choice for your project.
So the value if R B will be. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.
But this calculation will lead to the closest value to start with. But it comes in a metal can package and can operate on voltages slightly higher than what a 2N can handle. Open Positions To see a list of open positions, click here.
Soldering Tips Helpful 2n29055 So to calculate the resistor value of the base we can use the formulae. To make this current flow through the transistor the value of base current I B can be calculated using the below formula:.
Where Vcc is the voltage on which the load operates and V BE is the voltage across the Base and Emitter which in our case according to the data sheet 1. The value of this current can be calculated by the required amount of current that will be consumed by the load. Where h FE, is the current gain of the transistor which in our case is This stage satasheet called Saturation Region.
To make this current flow through the transistor the value of base current I B can be calculated using the below formula: For details on these services, please click the appropriate link from the menu on the left.
However this vale will not be very accurate because the transistor will have an internal voltage drop across the collector current, so it mostly experimental to get the maximum current from the transistor.
You can also see open positions in the department.
SGS Thomson Microelectronics – datasheet pdf
Another important thing to keep in mind, while using a transistor as switch is the base resistor. Overall it is 2m2905 another small signal transistor which is commonly used in switching and amplifying circuits.
Spring Semester, Monday — Friday: As we know the transistor is a current controlled device meaning, we have pass some current I B thorough the base of the transistor to turn it on.
Our People Search the directory for faculty or staff members. Welcome to the ECE Store. To see a list of open positions, click here.