Hello, readers welcome to the new post. Today we will discuss Introduction to 2N2219 NPN Transistor. The transistor is an electronic component that is used in different projects and devices as an amplifier and switching circuit. It has two main types NPN and PNP that are created according to their circuit’s needs and project demands. In NPN transistor one P region is configured between the two N regions and in case of PNP one N region is configured to two P regions.
The structure of the transistor is such that there is electrons and holes are exist in these components that used for conduction. So electrons and holes are minority charge carriers in this module. In the N region of the transistor electrons are the majority carriers that are created due to doping of pentavalent impurity from group five of the periodic table and P region has holes in it that are created through doping of trivalent impurity. In this post, we will cover the details of the 2N2219 NPN transistor. So let’s get started
Introduction to 2N2219 NPN Transistor
- The 2n2219 is an NPN transistor that is used for general-purpose operations. As it is NPN configured so collector and emitter will be open state or reverse-biased state if the base pin is connected at the ground and will close if the signal is given at the base pinout.
- the gain value of this component is 50 which defines the amplification ability of the transistor. The highest amount of current which can flow through the collector pin is about eight hundred milliamperes. So not connected the load larger than the eight millimeters
- For biasing the transistor current is given at the base terminal about five milliamperes
- In the case of a completely biased state of eight hundred milliamperes, current can passes about the collector and emitter. This phase is called the saturation region.
- If the base current is not provided to the transistor it is an off state this is called cut off region and base-emitter volts will be about six hundred millivolts.
2N2219 NPN Transistor Features
- Its main features are discussed here
- it comes in To-92 packaging
- Its turn-off time is two fifty nanoseconds and turn off time is forty ns
- value of the emitter-base is six volts
- value of the collector base is seventy-five volts
- current about the collector is eight hundred milliamperes
- The current gain is about fifty for small-level signal
2N2219 NPN Transistor Pinout
- Its main pinouts are discussed here
- Emitter: through this pin, current drains out and it is attached to the ground
- Base: It regulates the biasing of the transistor and on and off the transistor
- Collector: current passes through the collector and this pin is attached to load
Where to use 2N2219 NPN Transistor
- This transistor is used in general-purpose operations for projects where a normal To-92 BJT transistor is not used.
- It performs high-speed switching so preferred for high-speed project operations. it can be used to drive loads of value less than eight milliamperes.
- it can be used in amplifier circuits such as audio circuits or can be used in output amplifiers to operate the speaker
- It is used in signal amplifiers for any category of the electronic signal amplification process.
- It is also used for radio frequency circuits and also used in RF amplifiers and oscillation circuits that have frequency values less than 250 Mhz.
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MAXIMUM RATINGS 2n2219
- Its main parameters are discussed here
| Parameters | Value | Unit |
| VCEO | 50 | Vdc |
| VCBO | 75 | Vdc |
| VEBO | 6 | Vdc |
| IC | 800 | mAdc |
| Pt | 0.8 | W |
| Pt | 3 | W |
| Operating temperature | −65 to +200 | C |
2N2219 NPN Advantages
- Some advantages of this component are discussed here
- It used to control the high current values through the use of low current ten to twenty ampers
- its operation is more effective than other NPN transistors like the 2N222 transistor
- it uses less power to perform different functions
- it has the ability to work on the high-value of volts
2N2219 NPN Transistor Applications
- Its main applications are discussed here
- It used in Darlington pair circuits
- It used in relay driver
- Led Driver used this module
- used in audio amplifiers
- Used for signal amplifier
That is all about the 2n2219 NPN transistor all details about this component has explained if you have any questions ask here. Must also use the PCBWAY services to create your projects. Thanks for reading have a nice day
