Compare the candidate package with the outline, pin count and polarity mark on the actual board.
SMD Marking
X4
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 SUR 481H2 evidence sources Unknown manufacturer (AUK) smd2 TRANSISTOR HIGH2 sources SMD, NPN/PNP transistor, 50V 100mA, 200mW | Si-N/PManufacturer hint: Unknown manufacturer (AUK) 2 RN 1132F2 evidence sources Toshiba smd2 TRANSISTOR HIGH2 sources SMD,Transistor Silicon NPN Epitaxial Type, 50V 100mA 100mW | Si-N+RManufacturer hint: Toshiba 3 RN 1132FT2 evidence sources Toshiba smd2 TRANSISTOR HIGH2 sources SMD,Transistor Silicon NPN Epitaxial Type, 50V 100mA 100mW | Si-N+RManufacturer hint: Toshiba 4 UMX 4N2 evidence sources ROHM Semiconductor smd1 TRANSISTOR HIGH2 sources SMD, 2x 2SC3837K, TV Tuner, Mixer, Osc. | Si-NManufacturer hint: ROHM Semiconductor 5 2SK 94-42 evidence sources - - FET HIGH2 sources SMD, J-FET, N-CHANNEL 6 IMX 42 evidence sources ROHM Semiconductor smd1 TRANSISTOR HIGH2 sources SMD, 2x 2SC3837K, TV Tuner, Mixer, Osc. | Si-NManufacturer hint: ROHM Semiconductor 7 EMX 42 evidence sources ROHM Semiconductor smd1 TRANSISTOR HIGH2 sources SMD, 2x 2SC3837K, TV Tuner, Mixer, Osc. | Si-NManufacturer hint: ROHM Semiconductor 8 GZF 68C2 evidence sources Vishay smd1 DIODE HIGH2 sources SMD, low leakage current, 0.8W | Z-DiManufacturer hint: Vishay 9 BZX 88 /C 362 evidence sources Unknown manufacturer (FER) smd2 DIODE HIGH2 sources Z, 5%, SMD | Si-DiManufacturer hint: Unknown manufacturer (FER) 10 BZX 84 / C 362 evidence sources Siemens smd2 DIODE HIGH2 sources Stabi, SMD | Si-DiManufacturer hint: Siemens 11 BZV 49 /C 362 evidence sources Siemens smd1 DIODE HIGH2 sources Stabi, 5%, SMD | Si-DiManufacturer hint: Siemens 12 BZT52 C682 evidence sources Vishay smd1 DIODE HIGH2 sources SMD,Silicon Planar Power Zener Diode | Z-DiManufacturer hint: Vishay 13 BZT52 B682 evidence sources Vishay smd1 DIODE HIGH2 sources SMD,Silicon Planar Power Zener Diode | Z-DiManufacturer hint: Vishay
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.