Radio-Frequency Transistor (EIAJ registration pruducts)

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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.