2N3905 DATASHEET PDF

2N 2N *Motorola Preferred Device. CASE 29–04, STYLE 1 .. data sheets and/or specifications can and do vary in different applications and actual. 2N PNP General Purpose Amplifier. 2N This device is designed for use as general purpose amplifiers and switches requiring collector currents to. 2N Transistor Datasheet pdf, 2N Equivalent. Parameters and Characteristics.

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With the gain of the transistor a simple touch can trigger it. Search the directory for faculty or staff members.

The higher-power 2N is a very similar NPN transistor that can safely switch three times as much current as the 2N As shown in below graph a current of 10mA needs to flow out of base for a flow of mA collector current and switching ON the transistor completely. This transistor is low-cost, widely available and sufficiently robust to be of use by experimenters and electronics hobbyists.

It is designed for low current and powermedium voltageand can operate at moderately high speeds. Views Read Edit View history. Welcome to the ECE Store. Submitted by admin on 31 October For details on these services, please click the appropriate link from the menu on the left. From Wikipedia, the free encyclopedia.

And so when the button pressed current flows though the motor turning it ON. By using this site, you agree to the Terms of Use and Privacy Policy. With this current flow the transistor gets turned ON and a current flows through the collector followed by motor.

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Hence we have used 2N as a simple switching device and in the same way we can use this transistor in all other application circuits.

PNP Transistor 2N as a Switch |

The 2N is a common NPN bipolar junction transistor used for general-purpose low-power amplifying or switching applications. The component is cheap and easy to work with so it is best suited when choosing a random switching device.

You can also see open positions in the department. How to use 2N Transistor 2N can be used in any general transistor application circuits but for understanding the working let us consider a simple 2N switching circuit as shown below.

Datasheet «2N3905»

Prices are subject to change without notice. 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. The complementary PNP transistor is 2N In the above circuit we are using 2N as a simple switching device and a small motor as the load. So when a positive voltage appears at base only leakage current flows through transistor and all the battery voltage BAT1 appears across it.

It is used in a variety of analog amplification and switching applications. Soldering Tips Helpful Link: Retrieved from ” https: The 2N is used very frequently in hobby electronics projects, including home-made ham radioscode-practice oscillators and as an interfacing device for microcontrollers.

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This page was last datasheft on 18 Octoberat Archived from the original on After the button opened again the base current flow will be cutoff there by turning OFF the motor. To see a list of open positions, click here. Our People Search the directory for faculty or staff members. Circuitbuilding do-it-yourself for Dummies.

(PDF) 2N3905 Datasheet download

TL — Programmable Reference Voltage. Commons category link is on Wikidata.

When the button is pressed the base of the transistor will be connected to the ground and a loop will be formed for the current to flow from the base to the ground. Working Under no interference there will be a positive voltage appearing at the base of the PNP transistor and based on working on PNP transistor having a positive voltage at gate leaves transistor in high resistance state.

In other projects Wikimedia Commons. Engineering Program is accredited by: Under no interference there will be a positive voltage appearing at the base of the PNP transistor and based on working on PNP transistor having a positive voltage at gate leaves transistor in high resistance state.

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