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Electronics => Electronics => Topic started by: aruna1 on April 28, 2010, 10:22:18 AM

Title: help needed with 2n2222 smd
Post by: aruna1 on April 28, 2010, 10:22:18 AM

hi
I recently brought few 2n2222  transistors in surface mount package. my problem is transistor number is not mentioned on top of surface mount package.instead some other numbers are indicated.so how to verify whether these transistors are 2n2222a
thanks

Title: Re: help needed with 2n2222 smd
Post by: waltr on April 28, 2010, 10:41:07 AM

The manufacturer's data sheet may have the part markings.
If you bought from an unknown source then you can measure the part's characteristics to see if they really do meet the specs for a 2N2222.

Title: Re: help needed with 2n2222 smd
Post by: Soeren on April 28, 2010, 01:51:24 PM

Hi,

Try this (http://www.marsport.org.uk/smd/mainframe.htm)

Title: Re: help needed with 2n2222 smd
Post by: aruna1 on April 28, 2010, 06:37:52 PM

@waltr
I read some datasheets but didnt find anything useful.
@soren
i'm browsing SOR with my mobile phone.so I'm not sure whether you have attached anything.I think browse doesnt show the attachment.(or may be u have forgot to attach) anyway i can check it using my pc tomorrow afternoon as I'm going home tomorrow.
thanks