Compare the candidate package with the outline, pin count and polarity mark on the actual board.
SMD Marking
W10
Possible components matching this marking.A marking is not a guaranteed identification by itself.
4possible components
MEDIUMambiguity level
Filters4 candidates
Narrow the list using the package, manufacturer or component family printed on the board.
4 possible components
Results are ordered by the available marking evidence.
1 UMW 11N2 evidence sources ROHM Semiconductor smd2 TRANSISTOR HIGH2 sources TRANSISTORS, NPN | Si-NManufacturer hint: ROHM Semiconductor 2 UMW 10N2 evidence sources ROHM Semiconductor smd2 TRANSISTOR HIGH2 sources SMD, 2x 2SC3837K, com. Emitter, TV Tuner, Mixer, Osc. | Si-NManufacturer hint: ROHM Semiconductor 3 FMW 102 evidence sources ROHM Semiconductor smd2 TRANSISTOR HIGH2 sources SMD, 2x 2SC3837K, com. Emitter, TV Tuner, Mixer, Osc. | Si-NManufacturer hint: ROHM Semiconductor 4 FMW 112 evidence sources ROHM Semiconductor smd2 TRANSISTOR HIGH2 sources SMD, 2x 2SC3837K, TV Tuner, Mixer, Osc. | Si-NManufacturer hint: ROHM Semiconductor
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.