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Marking SMD
YQ
SMD Code
Package
Device Name
Manufacturer
Data
Datasheet
YQ
SOT-323
2SD1949
ROHM
NPN transistor
YQ
SOT-89
2SD874A
TIP
NPN transistor
YQ
SOD-110
BZX284-C3V0
NXP
Zener diode
YQ=***
SOT-25
RT9169H-18GB
Richtek
LDO regulator