bipolar transistor lead identifier meter

Discussion in 'General Electronics Chat' started by haritha, Mar 1, 2014.

  1. haritha

    Thread Starter New Member

    Mar 1, 2014
    1
    0
    how to build a circuit that identifies emitter,collector and base of a bipolar transistor?is it possible? If anybody have idea pls help.
     
  2. ericgibbs

    AAC Fanatic!

    Jan 29, 2010
    2,503
    380
  3. wmodavis

    Well-Known Member

    Oct 23, 2010
    737
    150
    Easy to use an ohm meter for that very purpose.
     
  4. inwo

    Well-Known Member

    Nov 7, 2013
    2,433
    315
    I'm looking for schematic for this.
    I love the one I have.

    I believe it's little more than a neon, pot, and switches.

    It's nice. With a few lead exchanges and switch flips trans is identified. Leads and npn/pnp.

    Mine is only slightly nicer.:)

    http://minneapolis.craigslist.org/dak/ele/4352373980.html
     
  5. BReeves

    Member

    Nov 24, 2012
    412
    64
    Do an eBay search for "Sencore Cricket". They made two, the high end one was the Super Cricket but the standard Cricket works great for lead ID. If you don't find anything reasionable save the search so eBay sends you an email when it finds a new listing. I bought my Cricket for $30.00 shipped, sure saves allot of switching probes.
     
  6. GopherT

    AAC Fanatic!

    Nov 23, 2012
    6,059
    3,821
    You are already using a device that can identify E, B and C. Simply read the part number from the transistor, type it into google and, PRESTO, a link to a datasheet pops up.
     
    PackratKing likes this.
Loading...