Compare the candidate package with the outline, pin count and polarity mark on the actual board.
SMD Marking
Y3
Possible components matching this marking.A marking is not a guaranteed identification by itself.
6possible components
HIGHambiguity level
Filters6 candidates
Narrow the list using the package, manufacturer or component family printed on the board.
6 possible components
Results are ordered by the available marking evidence.
1 RN 2131F2 evidence sources Toshiba smd2 TRANSISTOR HIGH2 sources SMD,Transistor Silicon PNP Epitaxial Type, 50V 100mA 100mW | Si-P+RManufacturer hint: Toshiba 2 UMY 3N2 evidence sources ROHM Semiconductor smd2 TRANSISTOR HIGH2 sources TRANSISTORS, PNP | Si-PNManufacturer hint: ROHM Semiconductor 3 FMY 3A2 evidence sources ROHM Semiconductor smd2 TRANSISTOR HIGH2 sources SMD, Dual | Si-P/NManufacturer hint: ROHM Semiconductor 4 BZX 88 /C 132 evidence sources Unknown manufacturer (FER) smd2 DIODE HIGH2 sources Z, 5%, SMD | Si-DiManufacturer hint: Unknown manufacturer (FER) 5 BZX 84 / C 132 evidence sources Siemens smd2 DIODE HIGH2 sources Stabi, SMD | Si-DiManufacturer hint: Siemens 6 BZV 49 /C 132 evidence sources Siemens smd1 DIODE HIGH2 sources Stabi, 5%, SMD | Si-DiManufacturer hint: Siemens
Safe identification
How to verify this result
Check the official datasheet for pinout, voltage, current and thermal ratings—not only the marking.
Do not treat a short marking, a low-confidence candidate or a family match as a drop-in replacement.