Compare the candidate package with the outline, pin count and polarity mark on the actual board.
SMD Marking
H2
Possible components matching this marking.A marking is not a guaranteed identification by itself.
22possible components
VERY HIGHambiguity level
Filters22 candidates
Narrow the list using the package, manufacturer or component family printed on the board.
22 possible components
Results are ordered by the available marking evidence.
1 RN 2903FS2 evidence sources Toshiba smd1 TRANSISTOR HIGH2 sources SMD,Transistor Silicon PNP Epitaxial Type, 20V 50mA 50mW | Si-P+RManufacturer hint: Toshiba 2 SM-1 XH022 evidence sources Unknown manufacturer (ORG) axial1 DIODE HIGH2 sources Gleichrichter, S | Si-DiManufacturer hint: Unknown manufacturer (ORG) 3 IMH 2(A)2 evidence sources ROHM Semiconductor smd1 TRANSISTOR HIGH2 sources SMD, Dual, int. Rb=Rbe=47kOhm Rbe/Rb=0,8..1,2 | Si-NManufacturer hint: ROHM Semiconductor 4 HVM 132 evidence sources Hitachi smd2 DIODE HIGH2 sources SMD, PIN-Diode, HF Abschw/Attn. Antenn.-S | Si-DiManufacturer hint: Hitachi 5 F 1 H22 evidence sources Unknown manufacturer (ORG) dil1 DIODE HIGH2 sources SMD, Gleichrichter, S | Si-DiManufacturer hint: Unknown manufacturer (ORG) 6 UDZS 7.5B2 evidence sources ROHM Semiconductor / Taiwan Semiconductor dil1 DIODE HIGH2 sources SMD, Zener Diode, 7.5V, 200mW | Z-DiManufacturer hint: ROHM Semiconductor / Taiwan Semiconductor 7 UDZS 7.5B2 evidence sources ROHM Semiconductor dil1 DIODE HIGH2 sources SMD, Z, ±5%, 200mW | Z-DiManufacturer hint: ROHM Semiconductor 8 MMSZ 5242BS2 evidence sources Taiwan Semiconductor dil1 DIODE HIGH2 sources SMD, Surface Mount Zener Diode, 12V 200mW | Z-DiManufacturer hint: Taiwan Semiconductor 9 MMSZ 5242B2 evidence sources Taiwan Semiconductor smd1 DIODE HIGH2 sources SMD, Surface Mount Zener Diode, 12V 500mW | Z-DiManufacturer hint: Taiwan Semiconductor 10 UMH 2N2 evidence sources ROHM Semiconductor smd1 TRANSISTOR HIGH2 sources SMD, 2x DTC144E, Dual Digital Transistor | Si-N+RManufacturer hint: ROHM Semiconductor 11 VDZ 7.5B2 evidence sources ROHM Semiconductor smd1 DIODE HIGH2 sources SMD, Zener Diode, 7.5V | Z-DiManufacturer hint: ROHM Semiconductor 12 UDZ 7.5B2 evidence sources ROHM Semiconductor dil1 DIODE HIGH2 sources SMD, Z, ±5% | Si-DiManufacturer hint: ROHM Semiconductor 13 TDZ 7.52 evidence sources ROHM Semiconductor smd1 DIODE HIGH2 sources SMD, Zener Diode, 7.5V, 500mW | Z-DiManufacturer hint: ROHM Semiconductor 14 IMH 2A2 evidence sources ROHM Semiconductor smd1 TRANSISTOR HIGH2 sources SMD, 2x DTC144E, Dual Digital Transistor | Si-N+RManufacturer hint: ROHM Semiconductor 15 EMH 22 evidence sources ROHM Semiconductor smd1 TRANSISTOR HIGH2 sources SMD, 2x DTC144E, Dual Digital Transistor | Si-N+RManufacturer hint: ROHM Semiconductor 16 MMSZ 52422 evidence sources Vishay smd1 DIODE HIGH2 sources SMD, Silicon Planar Zener Diode | Z-DiManufacturer hint: Vishay 17 BFS 46A2 evidence sources Unknown manufacturer (FER) smd2 TRANSISTOR HIGH2 sources SMD, VHF | Si-NManufacturer hint: Unknown manufacturer (FER) 18 HVD 1912 evidence sources Renesas Electronics smd1 DIODE HIGH2 sources SMD, Silicon Epitaxial Planar PIN Diode, 30V | PIN-DiManufacturer hint: Renesas Electronics 19 EDZ 7.5B2 evidence sources ROHM Semiconductor smd1 DIODE HIGH2 sources SMD, Zener Diode, 7.5V | Z-DiManufacturer hint: ROHM Semiconductor 20 BZX 585-C6V82 evidence sources Philips Semiconductors smd1 DIODE HIGH2 sources SMD, Voltage regulator diode, 5% Tolerance, 6,8V | Z-DiManufacturer hint: Philips Semiconductors 21 BZD27 C200P2 evidence sources Vishay / Taiwan Semiconductor smd1 DIODE HIGH2 sources SMD, Voltage regulator | Z-Di, ICManufacturer hint: Vishay / Taiwan Semiconductor 22 PZU 3.0B22 evidence sources Philips Semiconductors dil1 DIODE HIGH2 sources SMD, Voltage regulator diode, 3V | Z-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.