component marking code list

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marking code   W11
SOT353
 UMW11N
NPN Transistor
Rohm Corp.
marking code   W12
SOT153
 FMW12
NPN Transistor
Rohm Corp.
marking code   W12
SOT353
 UMW12N
NPN Transistor
Rohm Corp.
marking code   W13
SOT153
 FMW13
NPN Transistor
Rohm Corp.
marking code   W13
SOT353
 UMW13N
NPN Transistor
Rohm Corp.
marking code   W18
SOT343
 BFP181TRW
NPN Transistor
AEG Telef.
marking code   W18
SOT343
 BFP181TW
NPN Transistor
AEG Telef.