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Example of Radio-Frequency Transistor (EIAJ registration pruducts)

  1. The value that subtracted 1 from the total number of terminals
  2. S stands for Semiconductor
  3. The kind of circuit
    This section shows the kind of the circuit of a product.
    It is classified into form A to K by the circuit of a product.
    • A: a transistor of high-frequency and PNP structure
    • B: a transistor of low-frequency and PNP structure
    • C: a transistor of high-frequency and NPN structure
    • D: a transistor of low-frequency and NPN structure
    • J: a transistor of effective transistor ( FET )
    • K: an Nch field effective transistor ( FET )
  4. Serial number
    EIAJ registration numbers.
  5. Changes
    The additional symbol which shows some changes.
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