Compare the candidate package with the outline, pin count and polarity mark on the actual board.
SMD Marking
S3
Possible components matching this marking.A marking is not a guaranteed identification by itself.
21possible components
VERY HIGHambiguity level
Filters21 candidates
Narrow the list using the package, manufacturer or component family printed on the board.
21 possible components
Results are ordered by the available marking evidence.
1 1SS 3882 evidence sources Toshiba dil1 DIODE HIGH2 sources SMD, Schottky | Si-DiManufacturer hint: Toshiba 2 1SS 3692 evidence sources Toshiba dil1 DIODE HIGH2 sources Schottky, S | Si-DiManufacturer hint: Toshiba 3 1SS 3572 evidence sources Toshiba dil1 DIODE HIGH2 sources Schottky, S | Si-DiManufacturer hint: Toshiba 4 BBY 512 evidence sources Siemens smd2 DIODE HIGH2 sources SMD, Dual Tuning, VCO | Si-DiManufacturer hint: Siemens 5 ZXT3 M3222 evidence sources Zetex smd1 TRANSISTOR HIGH2 sources SMD, SWITCHING TRANSISTOR, 40V 3A, 3W | Si-PManufacturer hint: Zetex 6 SL032 evidence sources Vishay smd1 DIODE HIGH2 sources SMD, Schottky Diode | Si-DiManufacturer hint: Vishay 7 SD 104AWS2 evidence sources Vishay dil1 DIODE HIGH2 sources SMD, Schottky Diode, 20V | Si-DiManufacturer hint: Vishay 8 PMEG 2020AEA2 evidence sources Philips Semiconductors dil1 DIODE HIGH2 sources SMD, Schottky barrier diode, 20V | Si-DiManufacturer hint: Philips Semiconductors 9 FMS 32 evidence sources ROHM Semiconductor smd2 TRANSISTOR HIGH2 sources SMD, 2x 2SA1514K, com. Emitter, Uni | Si-PManufacturer hint: ROHM Semiconductor 10 BSV 362 evidence sources Unknown manufacturer (FER) smd2 TRANSISTOR HIGH2 sources SMD, S | Si-NManufacturer hint: Unknown manufacturer (FER) 11 BFQ 31R2 evidence sources Thomson Semiconducteurs / Unknown manufacturer (FER) / KEC Semiconductor smd2 TRANSISTOR HIGH2 sources SMD, VHF band transistor, 15V 100mA, 200mW | Si-NManufacturer hint: Thomson Semiconducteurs / Unknown manufacturer (FER) / KEC Semiconductor 12 HSU 2272 evidence sources Renesas Electronics dil1 DIODE HIGH2 sources SMD, Silicon Schottky Barrier Diode, 25V, 50mA | Si-DiManufacturer hint: Renesas Electronics 13 HSD 882 evidence sources Renesas Electronics smd1 DIODE HIGH2 sources SMD, Silicon Schottky Barrier Diode, 10V, 15mA | Si-DiManufacturer hint: Renesas Electronics 14 HSC 882 evidence sources Hitachi / Renesas Electronics dil1 DIODE HIGH2 sources SMD, Schottky | Si-DiManufacturer hint: Hitachi / Renesas Electronics 15 HSB 285S2 evidence sources Renesas Electronics smd2 DIODE HIGH2 sources SMD, Dual Silicon Schottky Barrier Diode, 2V, 5mA | Si-DiManufacturer hint: Renesas Electronics 16 FS 2D2 evidence sources Fagor Electronica / Lite-On / Unknown manufacturer (JGD) smd1 DIODE HIGH2 sources SMD, Passivated Rectifier, 200V, 1,5A | Si-DiManufacturer hint: Fagor Electronica / Lite-On / Unknown manufacturer (JGD) 17 PBLS 4003 Y2 evidence sources Philips Semiconductors smd1 TRANSISTOR HIGH2 sources SMD, Complement. Pair Amp., 40V 0.5A 0.2W | Si-N/P+RManufacturer hint: Philips Semiconductors 18 BAT54L2 evidence sources Philips Semiconductors smd1 DIODE HIGH2 sources SMD, Schottky barrier diode, 30V | Si-DiManufacturer hint: Philips Semiconductors 19 BAT54CM2 evidence sources Philips Semiconductors smd3 DIODE HIGH2 sources SMD, Dual, Schottky barrier diode, 30V | Si-DiManufacturer hint: Philips Semiconductors 20 2SA 813-S32 evidence sources NEC (Nippon Electric Company) smd2 TRANSISTOR HIGH2 sources SMD, Uni | Si-PManufacturer hint: NEC (Nippon Electric Company) 21 1T 4032 evidence sources Sony smd1 DIODE HIGH2 sources SMD, Diode, 30V | Si-DiManufacturer hint: Sony
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.