Compare the candidate package with the outline, pin count and polarity mark on the actual board.
SMD Marking
S9
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 1SS 3952 evidence sources Toshiba smd2 DIODE HIGH2 sources SMD Schottky, S | Si-DiManufacturer hint: Toshiba 2 1SS 3942 evidence sources Toshiba smd2 DIODE HIGH2 sources SMD Schottky, S | Si-DiManufacturer hint: Toshiba 3 1T 4092 evidence sources Sony smd1 DIODE HIGH2 sources SMD, Variable Capacitance Diode, 15V | Si-DiManufacturer hint: Sony 4 HRC 0103C2 evidence sources Renesas Electronics smd1 DIODE HIGH2 sources SMD, Silicon Schottky Barrier Diode, 30V, 100mA | Si-DiManufacturer hint: Renesas Electronics 5 BAT 14-0992 evidence sources Siemens smd1 DIODE HIGH2 sources 2x Schottky-Diode DBS-Mixer Medium Barrier ..12GHz | Si-DiManufacturer hint: Siemens 6 1PS 79SB622 evidence sources Philips Semiconductors smd1 DIODE HIGH2 sources SMD, Schottky barrier diode, 40V | Si-DiManufacturer hint: Philips Semiconductors
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.