Marking code search for "AY4", search AY4 found 2 records.

Marking of electronic components, SMD Codes AY4, AY4**. 2SC3392, 2SC3392-4, ic marking code.

PartNumber	Marking code	Manufacturer	Package
2SC3392	AY4		CP
2SC3392-4	AY4	San	SOT-23