Compare the candidate package with the outline, pin count and polarity mark on the actual board.
SMD Marking
K1
Possible components matching this marking.A marking is not a guaranteed identification by itself.
13possible components
VERY HIGHambiguity level
Filters13 candidates
Narrow the list using the package, manufacturer or component family printed on the board.
13 possible components
Results are ordered by the available marking evidence.
1 UM 6 K1N2 evidence sources ROHM Semiconductor smd1 FET HIGH2 sources =2x 2SK3018 | MOS N-enhManufacturer hint: ROHM Semiconductor 2 UM 5 K1N2 evidence sources ROHM Semiconductor smd2 FET HIGH2 sources =2x 2SK3018 | MOS N-enhManufacturer hint: ROHM Semiconductor 3 BAP51-022 evidence sources Philips Semiconductors smd1 DIODE HIGH2 sources SMD, General purpose PIN diode, 60V | PIN-DiManufacturer hint: Philips Semiconductors 4 RN 2962FS2 evidence sources Toshiba smd1 TRANSISTOR HIGH2 sources SMD,Transistor Silicon PNP Epitaxial Type, 20V 50mA 50mW | Si-P+RManufacturer hint: Toshiba 5 MMSZ 5251BS2 evidence sources Taiwan Semiconductor dil1 DIODE HIGH2 sources SMD, Surface Mount Zener Diode, 22V 200mW | Z-DiManufacturer hint: Taiwan Semiconductor 6 MMSZ 5251B2 evidence sources Taiwan Semiconductor smd1 DIODE HIGH2 sources SMD, Surface Mount Zener Diode, 22V 500mW | Z-DiManufacturer hint: Taiwan Semiconductor 7 2SK 57-12 evidence sources - - FET HIGH2 sources SMD, J-FET, N-CHANNEL 8 PBLS 4001 V2 evidence sources Philips Semiconductors smd1 TRANSISTOR HIGH2 sources SMD, Complement. Pair Amp., 40V 0.5A 0.2W | Si-N/P+RManufacturer hint: Philips Semiconductors 9 2SK 27412 evidence sources Toshiba smd1 FET HIGH2 sources SMD, V-MOS* Logic Level | MOS N-enhManufacturer hint: Toshiba 10 VN 10KT2 evidence sources Siliconix smd2 FET HIGH2 sources SMDManufacturer hint: Siliconix 11 MMSZ 52512 evidence sources Vishay smd1 DIODE HIGH2 sources SMD, Silicon Planar Zener Diode | Z-DiManufacturer hint: Vishay 12 BZX384-B2V42 evidence sources Philips Semiconductors dil1 DIODE HIGH2 sources SMD, Voltage regulator diode, 2,4V, Tolerance ±2% | Z-DiManufacturer hint: Philips Semiconductors 13 EM 6K12 evidence sources ROHM Semiconductor smd1 FET HIGH2 sources MOSFET, Small Switching, 30V 0.1A | MOS-N-FET-e*Manufacturer 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.