Marking code search for "4J", search 4J found 3 records.

Marking of electronic components, SMD Codes 4J, 4J**. FMMT38A, MMBV2109, MM1Z3V9, ic marking code.

PartNumber	Marking code	Manufacturer	Package
FMMT38A	4J	Zet	SOT23
MMBV2109	4J	Mot	SOT23
MM1Z3V9	4J	龙晶微半导体	SOD-123