Buy(0)
Inquiry(0)
Dear customers, due to the implementation of the GDPR policy in Europe, UTSOURCE has also made adjustment accordingly to meet the policy requirements. Please read the new privacy policy carefully and this window will no longer pop up after you accept it.
Delivery Address
+ Add Address
The new shipping address
* Please fill in the cell phone number correctly to make sure that you can receive the tracking info in time.
Country Code
Favorite
Utsource certified used parts
Utsource certified used parts provide the following guarantees:
1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
2. Some parts are tested by machine.
3. Utsource certified parts can be returned and refunded unconditionally within 60 days.
Description
NPN switching transistors
All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.
2N2222A Description
The 2N2222A is nothing but a special type of silicon Planar Epitaxial NPN transistors. It comes with Jedec TO-18 metal case which gives it an extra stability n protection in circuit operations. They are designed for the operation of high-speed switching application at collector current up to 500mA. And this can also feature useful current gain over a wide range of collector current, also the low leakage currents and low saturation voltage of this transistor is a unique feature over other available transistors in the market.
Fig 1: 2N2222A Transistor
Specifications and Features of the 2N2222A Transistor
It provides a wide range of Storage Temperature (-65 V to 175 V in degree Celcius) and the Maximum operating Junction Temperature is 175 (in degree Celcius) so the Transistor supports a wide range of operational conditions along with the basic transistor operation i.e. Voltage Controlled current source operation.
Fig 2: Internal Schematic Diagram
Working principle of 2N2222A Transistors
As the 2N2222A is a special type of BJT so the main working principle is as follows and it is same as the standard BJTs.
The BE junction is forward biased and the CB is a reverse-biased junction. The width of the depletion region of the CB junction is higher than the BE junction. The forward bias at the BE junction decreases and the barrier potential and produces electrons to flow from the emitter to the base and the base is a thin and lightly doped it has very few holes and less amount of electrons from the emitter about 2% it recombines in the base region with holes and from the base terminal it will flow out properly. This initiates the base current flow due to the combination of electrons and holes in the opposite direction to each other. The leftover large number of electrons will pass the reverse bias collector junction to initiate the collector current and a minority carrier produces a leakage current also. By using KCL we can observe the mathematical equation like this:
Fig 3: A Conventional PNP Transistor Circuit
The base current is very less as compared to emitter and collector current
IE ~ IC
Here the operation of PNP transistor is the same as the NPN transistor the only difference is only holes instead of electrons.
Application of 2N2222A Transistors
There are two common uses of these transistors but these transistors provide higher efficiency and security control for their wider range of working temperature, the main uses are listed below
1.It is used for low power amplification devices. For high power amplification, this is not an apt one we can use then OP-Amps
Fig 4 : Low Power Amplification circuit
2.It is used for switching operation in many analog circuit designs.
Fig 5 : Switching Operation Circuit
Preview of the first 3 pages of the data sheet
Some Part number from the same manufacture
Same catergory
10000 buyer reviews from United States
Jake
Length of registration:16 years
The chip has been received, and I will use it for a few days to evaluate it. It is really good to use. It is very good.
0
0
Reply0
08/31/2022
William Davis
Length of registration:7 years
The 2N2222A CHINA ORIGINAL TO-92 is a great integrated circuit for a variety of applications. It is an NPN bipolar transistor with a maximum collector current of 800mA and a maximum collector-emitter voltage of 40V. It is a great choice for switching and amplifier applications, and is a reliable and cost-effective solution. I am very pleased with the quality of the product from Utsource, and I wou
0
0
Reply0
03/17/2023
Steve Gingrich
Length of registration:3 years
rec'd chips; great packing for international shipping; thx for making small quantities available of these hard to find items!
0
0
Reply0
12/30/2022
European payment method
Asia payment method
America payment method
International payment method
Latest shipping video More
Order
Payment
Shipping
Gift Coupon/Plus service
Returning
Returns are normally accepted when completed within 60 days from the date of the parcel delivered.
Defective ( Please provide a third party quality report of nonconforming products)
Return Freight charges must be prepaid; we will not accept COD shipments.
Warranty
All UTSOURCE purchases have a 60 days money back return policy, plus a 90 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
2N2222A
2N2222A has several brands around the world that may have alternate names for 2N2222A due to regional differences or acquisition. 2N2222A may also be known as the following names:
BUYING OPTIONS
Stock Status: 10000
Minimum: 3
Total Price:
Unit Price:0.94996
UTSOURCE
Country:
United States
Express:(FEDEX, UPS, DHL, TNT)Free shipping on first 0.5kg for orders over 200$,Overweight will be charged separately
JudyCustomer Manager
sales@utsource.com
(888) 766 5577
+86 15302769052
+1 (312)899-4831
(whatsapp only)
Your dedicated customer service, providing you the best service at any time.
8 sellers Choices
Stop production experts, we can provide a large number of electronic components that have been stopped production and are difficult to find, to facilitate the maintenance company
Reply to
submit