Transistor

Discussion in 'General Electronics Chat' started by imraneesa, Feb 19, 2015.

  1. imraneesa

    Thread Starter Member

    Dec 18, 2014
    184
    4
    one of the circuit came with the amplifier giving the details of the transistor as 2SC1400 (E,U).

    what is (E,U) mean. when I see the board base emitter and collector are from right to left. but when I open the datasheet of 2sc1400 it is showing from left to right. is (E,U) has anything to do with it.

    is 2sc1400 (E,U) is not same as 2sc1400?

    Thanking in advance.
     
  2. ian field

    Distinguished Member

    Oct 27, 2012
    4,413
    782
    Suffixes on Asian transistor numbers are usually gain bands - but E,U doesn't look like the usual format.
     
  3. Kermit2

    AAC Fanatic!

    Feb 5, 2010
    3,772
    931
    from the data sheet...

    DC current gain (hFE)
    rank: F - 225-450
    rank: E - 350-700
    rank: U - 500-1000
     
    planeguy67 likes this.
  4. WBahn

    Moderator

    Mar 31, 2012
    17,716
    4,788
    Are you sure the orientation is the same for both view -- namely both looking down from the top or both looking up at the pins?
     
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