Radio-Frequency Power Transistor (EIAJ registration pruducts)

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1. The value that subtracted 1 form 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 from A to K by the circuit being used.
   • 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 P-ch field effective transistor (FET)
   • K: an N-ch field effective transistor (FET)
4. Serial number
   EIAJ registration numbers
5. Changes
   The additional symbol which shows some changes.