Marking code search for "D03B", search D03B found 2 records.

Marking of electronic components, SMD Codes D03B, D03B**. LM3420M5-8.4, R1150H003B, ic marking code.

PartNumber	Marking code	Manufacturer	Package
LM3420M5-8.4	D03B		SOT23-5
R1150H003B	D03Bxx	RICOH	SOT-89-5