Compare the candidate package with the outline, pin count and polarity mark on the actual board.
SMD Marking
B1
Possible components matching this marking.A marking is not a guaranteed identification by itself.
15possible components
VERY HIGHambiguity level
Filters15 candidates
Narrow the list using the package, manufacturer or component family printed on the board.
15 possible components
Results are ordered by the available marking evidence.
1 2SK 18242 evidence sources NEC (Nippon Electric Company) smd2 FET HIGH2 sources SMD, V-MOS*, S Logic Level | MOS N-enhManufacturer hint: NEC (Nippon Electric Company) 2 IMB 1(A)2 evidence sources ROHM Semiconductor smd1 TRANSISTOR HIGH2 sources SMD, Dual, int. Rb=Rbe=22kOhm Rbe/Rb=0,8..1,2 | Si-PManufacturer hint: ROHM Semiconductor 3 HVU 355B2 evidence sources Hitachi / Renesas Electronics dil1 DIODE HIGH2 sources SMD VCO | Si-DiManufacturer hint: Hitachi / Renesas Electronics 4 HVC 355B2 evidence sources Hitachi / Renesas Electronics dil1 DIODE HIGH2 sources SMD VCO | Si-DiManufacturer hint: Hitachi / Renesas Electronics 5 HSM 26922 evidence sources Hitachi smd2 DIODE HIGH2 sources SMD Tuner-Band-S | Si-DiManufacturer hint: Hitachi 6 HSC 26922 evidence sources Hitachi smd2 DIODE HIGH2 sources SMD Tuner-Band-S | Si-DiManufacturer hint: Hitachi 7 UMB 1N2 evidence sources ROHM Semiconductor smd1 TRANSISTOR HIGH2 sources SMD, 2x DTA124E, Dual Digital Transistor | Si-P+RManufacturer hint: ROHM Semiconductor 8 IMB 1A2 evidence sources ROHM Semiconductor smd1 TRANSISTOR HIGH2 sources SMD, 2x DTA124E, Dual Digital Transistor | Si-P+RManufacturer hint: ROHM Semiconductor 9 PMEG 3002AEB2 evidence sources Philips Semiconductors smd1 DIODE HIGH2 sources SMD, Schottky barrier diode, 30V | Si-DiManufacturer hint: Philips Semiconductors 10 D 71G.05T12 evidence sources General Electric smd1 TRANSISTOR HIGH2 sources SMD, S | Si-PManufacturer hint: General Electric 11 FSS 222 evidence sources Fagor Electronica smd1 DIODE HIGH2 sources SMD, Schottky Barrier Rectifier, 20V, 2A | Si-DiManufacturer hint: Fagor Electronica 12 MAZF 0332 evidence sources Matsushita Electric dil1 DIODE HIGH2 sources SMD, TAZ, ±5% | Si-DiManufacturer hint: Matsushita Electric 13 BZX884-C2V42 evidence sources Philips Semiconductors smd1 DIODE HIGH2 sources SMD, Voltage regulator diode, 2,4V, tolerance ±5% | Z-DiManufacturer hint: Philips Semiconductors 14 2SC4931-B12 evidence sources Sanyo Semiconductor smd2 TRANSISTOR HIGH2 sources SMD, VHF/UHF | Si-NManufacturer hint: Sanyo Semiconductor 15 BAS40 LT12 evidence sources onsemi smd2 DIODE HIGH2 sources SMD, S | Si-DiManufacturer hint: onsemi
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.