Codes / Markings　　　　SMD codes
  1st character/以第一个字符为基准
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Code Device Manufacturer Base Package Leaded Equivalent/Data
Q3 MMBC1321Q3 Mot N - npn VHF amp fT 0.6GHz
Q4 MMBC1321Q4 Mot N - npn VHF amp fT 0.6GHz
Q5 MMBC1321Q5 Mot N - npn VHF amp fT 0.6GHz
QQ 2SC4536 Nec P - npn RF fT 5.7GHz 2W hFE 40-80
QR 2SC4536 Nec P - npn RF fT 5.7GHz 2W hFE 60-120
QS 2SC4536 Nec P - npn RF fT 5.7GHz 2W hFE 100-200