The ultimate SMD marking codes database

Due to the small size of most SMD components, manufacturers are not able to write the full part number on the case. They use instead a marking code typically composed of a combination of 2 or 3 letters or digits. When repairing an unknown electronic board, it becomes so difficult to know what is the exact type of a given component. This database allows to quickly find the part number of a SMD component when you have only the marking code.

Showing codes starting with 'X5'

Marking
Name
Manufacturer/Case
Function
X5
74LVCH1T45GF
NXP Semiconductors
SOT891
Capacitance diode
Dual supply translating transceiver with 3-state output
X5
74LVCH1T45GM
NXP Semiconductors
SOT886
Capacitance diode
Dual supply translating transceiver with 3-state output
X5
74LVCH1T45GW
NXP Semiconductors
SOT-363
Capacitance diode
Dual supply translating transceiver with 3-state output
X5
APX809-31SA
Diodes
SOT-23
Voltage detector IC
3.08V±1.5%, -Reset PPO
X5
BD46372G
Rohm
SSOP-5
Voltage detector IC
3.7V±1%, -MR, -Reset PPO, 200ms
X5
BZF10C4V7
Diodesemi Technology
SOD-123F
Zener diode
4.5..4.9V, Izt=53mA, Zzt=8, 1W
X5
BZT52B75
PanJIT Semiconductor
SOD-123
Zener diode
75V±2%, Izt=2.5mA, Zzt=250, 410mW
X5
BZT52C75-V
Vishay Semiconductor
SOD-123
Zener diode
75V±5%, Izt=2.5mA, Zzt=250, 500mW
X5
BZT52C75S
PanJIT Semiconductor
SOD-323
Zener diode
75V±5%, Izt=2.5mA, Zzt=250, 200mW
X5
BZV49-C39
Zetex
SOT-89
Zener diode
39V±5%, Izt=2mA, 1W
X5
BZX384C75-F
TAITRON Components
SOD-323F
Zener diode
70.0..79.0V, Izt=2.0mA, 200mW
X5
BZX384C75-V
Vishay Semiconductor
SOD-323
Zener diode
75V±5%, Izt=2mA, Zzt=95, 200mW
X5
BZX584B39V
Tak Cheong Semiconductor
SOD-523FL
Zener diode
38.22..39.78V, Izt=2mA, Zzt=130, 200mW
X5
BZX584C75
PanJIT Semiconductor
SOD-523
Zener diode
71..78V, Izt=2mA, Zzt=180, 200mW
X5
BZX84B75
PanJIT Semiconductor
SOT-23
Zener diode
73.50..76.50V, Zzt=250, Izt=2.5mA, 410mW
X5
BZX84C75TW
PanJIT Semiconductor
SOT-363
Zener diode
Triple, 73.50..76.50V, Zzt=250, Izt=2.5mA, 200mW
X5
BZX88-C39
Ferranti Semiconductors
SOT-23
Zener diode
39V±5%, Iz=5mA, 200mW
X5
CMDZ5225B
Central Semiconductor
SOD-323
Zener diode
3.0V±5%, 20mA, Zzt=29, 250mW
X5
ELM7555CAB
ELM Technology
SOT-89
Voltage detector IC
5.5V±2%, +Reset PPO
X5
ELM7555CBB
ELM Technology
SOT-23
Voltage detector IC
5.5V±2%, +Reset PPO
X5
ELM7555NAB
ELM Technology
SOT-89
Voltage detector IC
5.5V±2%, +Reset ODO
X5
ELM7555NBB
ELM Technology
SOT-23
Voltage detector IC
5.5V±2%, +Reset ODO
X5
IMX5
Rohm
SOT-363
NPN transistor
Dual, HF, 20V, 50mA, >1400MHz
X5
MFPZ4732A
TAITRON Components
SOD-123F
Zener diode
4.5..4.9V, Izt=53.0mA, 1W
X5
MM1Z5259B
EIC Semiconductor
SOD-323FL
Zener diode
37.05..40.95V, Izt=3.2mA, Zzt=80, 500mW
X5
MM1Z5259BH
Zowie Technology
SOD-123
Zener diode
37.05..40.95V, Izt=3.2mA, Zzt=80, 500mW
X5
MM5Z39VB
Tak Cheong Semiconductor
SOD-523FL
Zener diode
38.22..39.78V, Izt=2mA, Zzt=130, 200mW
X5
MMSZ24T
Motorola
SOD-123
Zener diode
24V±5%, Izt=5mA, Zzt=70, 500mW
X5
MMSZ5259B
EIC Semiconductor
SOD-123
Zener diode
39V±5%, Izt=3.2mA, Zzt=80, 500mW
X5
MMVL409
ON Semiconductor
SOD-323
Capacitance diode
VHF-tuning, 20V, 200mA, 200mW, 26/32pF(3V, 1MHz)
X5
PZU18B1A
Philips
SOD-323
Zener diode
18V±2%, If=200mA, 320mW
X5
R1163D251D
Ricoh
SON-6
Linear voltage regulator IC
LDO, 2.5V±1.5%, 150mA, +CE, CL, AE(mode)
X5
R1210N252C
Ricoh
SOT-23-5
DC/DC voltage converter IC
PWM step-up, 2.5V, 100kHz, +CE, ext. transistor
X5
R3111Q451C
Ricoh
SC-82AB
Voltage detector IC
4.5V±2%, -Reset ODO
X5
XC6223G15BNR-G
Torex Semiconductor
SSOT-24
Linear voltage regulator IC
LDO, 1.55V±20mV, 300mA, +CE, PDR, ICP
X5
XC6225B302NR-G
Torex Semiconductor
SSOT-24
Linear voltage regulator IC
LDO, 3.0V±2%, 30mA, +CE, CL
X5
ZD5230BSG
Cystech Electronics
SOD-323-S
Zener diode
4.7V±5%, 5mA, Zzt=70, 500mW
X5
ZGFM104V7-MH
Formosa Microsemi
SOD-123H
Zener diode
4.7V±10%, Zzt=8(Izt=53mA), 1W
X5
ZGFM104V7-N
Formosa Microsemi
SOD-123F
Zener diode
4.5..4.9V, Izt=53mA, Zzt=8, 1W
X5-
BAS21SW

SOT-323
Diode
Dual, Sw, Fast, 250V, 250mA, 250mW, <50ns
X50
R1172N101A
Ricoh
SOT-23-5
Linear voltage regulator IC
LDO, 1.0V±2%, 1A, -CE
X50
XC9110D501MR
Torex Semiconductor
SOT-25
DC/DC voltage converter IC
PFM step-up, 100kHz, 5.0V±2.5%, 400mA, +CE
X50C
SS6680C-50CX
Silicon Standard
SOT-89
Voltage detector IC
5.0V±2.5%, +Reset PPO
X50N
SS6680N-50CX
Silicon Standard
SOT-89
Voltage detector IC
5.0V±2.5%, +Reset ODO
X50P
SS6680P-50CX
Silicon Standard
SOT-89
Voltage detector IC
5.0V±2.5%, -Reset ODO
X51
R1172N111A
Ricoh
SOT-23-5
Linear voltage regulator IC
LDO, 1.1V±2%, 1A, -CE
X51
XC9110D511MR
Torex Semiconductor
SOT-25
DC/DC voltage converter IC
PFM step-up, 100kHz, 5.1V±2.5%, 400mA, +CE
X51C
SS6680C-51CX
Silicon Standard
SOT-89
Voltage detector IC
5.1V±2.5%, +Reset PPO
X51N
SS6680N-51CX
Silicon Standard
SOT-89
Voltage detector IC
5.1V±2.5%, +Reset ODO
X51P
SS6680P-51CX
Silicon Standard
SOT-89
Voltage detector IC
5.1V±2.5%, -Reset ODO
X52
R1172N121A
Ricoh
SOT-23-5
Linear voltage regulator IC
LDO, 1.2V±2%, 1A, -CE
X52
XC9110D521MR
Torex Semiconductor
SOT-25
DC/DC voltage converter IC
PFM step-up, 100kHz, 5.2V±2.5%, 400mA, +CE
X52C
SS6680C-52CX
Silicon Standard
SOT-89
Voltage detector IC
5.2V±2.5%, +Reset PPO
X52N
SS6680N-52CX
Silicon Standard
SOT-89
Voltage detector IC
5.2V±2.5%, +Reset ODO
X52P
SS6680P-52CX
Silicon Standard
SOT-89
Voltage detector IC
5.2V±2.5%, -Reset ODO
X53
R1172N131A
Ricoh
SOT-23-5
Linear voltage regulator IC
LDO, 1.3V±2%, 1A, -CE
X53
XC9110D531MR
Torex Semiconductor
SOT-25
DC/DC voltage converter IC
PFM step-up, 100kHz, 5.3V±2.5%, 400mA, +CE
X53C
SS6680C-53CX
Silicon Standard
SOT-89
Voltage detector IC
5.3V±2.5%, +Reset PPO
X53N
SS6680N-53CX
Silicon Standard
SOT-89
Voltage detector IC
5.3V±2.5%, +Reset ODO
X53P
SS6680P-53CX
Silicon Standard
SOT-89
Voltage detector IC
5.3V±2.5%, -Reset ODO
X54
R1172N141A
Ricoh
SOT-23-5
Linear voltage regulator IC
LDO, 1.4V±2%, 1A, -CE
X54
XC9110D541MR
Torex Semiconductor
SOT-25
DC/DC voltage converter IC
PFM step-up, 100kHz, 5.4V±2.5%, 400mA, +CE
X54C
SS6680C-54CX
Silicon Standard
SOT-89
Voltage detector IC
5.4V±2.5%, +Reset PPO
X54N
SS6680N-54CX
Silicon Standard
SOT-89
Voltage detector IC
5.4V±2.5%, +Reset ODO
X54P
SS6680P-54CX
Silicon Standard
SOT-89
Voltage detector IC
5.4V±2.5%, -Reset ODO
X55
R1172N151A
Ricoh
SOT-23-5
Linear voltage regulator IC
LDO, 1.5V±2%, 1A, -CE
X55
XC9110D551MR
Torex Semiconductor
SOT-25
DC/DC voltage converter IC
PFM step-up, 100kHz, 5.5V±2.5%, 400mA, +CE
X55C
SS6680C-55CX
Silicon Standard
SOT-89
Voltage detector IC
5.5V±2.5%, +Reset PPO
X55N
SS6680N-55CX
Silicon Standard
SOT-89
Voltage detector IC
5.5V±2.5%, +Reset ODO
X55P
SS6680P-55CX
Silicon Standard
SOT-89
Voltage detector IC
5.5V±2.5%, -Reset ODO
X56
R1172N161A
Ricoh
SOT-23-5
Linear voltage regulator IC
LDO, 1.6V±2%, 1A, -CE
X56
XC9110D561MR
Torex Semiconductor
SOT-25
DC/DC voltage converter IC
PFM step-up, 100kHz, 5.6V±2.5%, 400mA, +CE
X56C
SS6680C-56CX
Silicon Standard
SOT-89
Voltage detector IC
5.6V±2.5%, +Reset PPO
X56N
SS6680N-56CX
Silicon Standard
SOT-89
Voltage detector IC
5.6V±2.5%, +Reset ODO
X56P
SS6680P-56CX
Silicon Standard
SOT-89
Voltage detector IC
5.6V±2.5%, -Reset ODO
X57
R1172N171A
Ricoh
SOT-23-5
Linear voltage regulator IC
LDO, 1.7V±2%, 1A, -CE
X57
XC9110D571MR
Torex Semiconductor
SOT-25
DC/DC voltage converter IC
PFM step-up, 100kHz, 5.7V±2.5%, 400mA, +CE
X57C
SS6680C-57CX
Silicon Standard
SOT-89
Voltage detector IC
5.7V±2.5%, +Reset PPO
X57N
SS6680N-57CX
Silicon Standard
SOT-89
Voltage detector IC
5.7V±2.5%, +Reset ODO
X57P
SS6680P-57CX
Silicon Standard
SOT-89
Voltage detector IC
5.7V±2.5%, -Reset ODO
X58
R1172N181A
Ricoh
SOT-23-5
Linear voltage regulator IC
LDO, 1.8V±2%, 1A, -CE
X58
XC9110D581MR
Torex Semiconductor
SOT-25
DC/DC voltage converter IC
PFM step-up, 100kHz, 5.8V±2.5%, 400mA, +CE
X58C
SS6680C-58CX
Silicon Standard
SOT-89
Voltage detector IC
5.8V±2.5%, +Reset PPO
X58N
SS6680N-58CX
Silicon Standard
SOT-89
Voltage detector IC
5.8V±2.5%, +Reset ODO
X58P
SS6680P-58CX
Silicon Standard
SOT-89
Voltage detector IC
5.8V±2.5%, -Reset ODO
X59
R1172N191A
Ricoh
SOT-23-5
Linear voltage regulator IC
LDO, 1.9V±2%, 1A, -CE
X59
XC9110D591MR
Torex Semiconductor
SOT-25
DC/DC voltage converter IC
PFM step-up, 100kHz, 5.9V±2.5%, 400mA, +CE
X59C
SS6680C-59CX
Silicon Standard
SOT-89
Voltage detector IC
5.9V±2.5%, +Reset PPO
X59N
SS6680N-59CX
Silicon Standard
SOT-89
Voltage detector IC
5.9V±2.5%, +Reset ODO
X59P
SS6680P-59CX
Silicon Standard
SOT-89
Voltage detector IC
5.9V±2.5%, -Reset ODO
X5A
XC6118N35AGR-G
Torex Semiconductor
USP-4
Voltage detector IC
3.5V±2%, ±Reset ODO, Sense, hysteresis 5%, Cd
X5A
XC6118N35AMR-G
Torex Semiconductor
SOT-25
Voltage detector IC
3.5V±2%, ±Reset ODO, Sense, hysteresis 5%, Cd
X5B
XC6118N35BGR-G
Torex Semiconductor
USP-4
Voltage detector IC
3.5V±2%, ±Reset ODO, Sense, hysteresis <1%, Cd
X5B
XC6118N35BMR-G
Torex Semiconductor
SOT-25
Voltage detector IC
3.5V±2%, ±Reset ODO, Sense, hysteresis <1%, Cd
X5C
XC6118N35CGR-G
Torex Semiconductor
USP-4
Voltage detector IC
3.5V±2%, ±Reset ODO, Sense, hysteresis 5%
X5C
XC6118N35CMR-G
Torex Semiconductor
SOT-25
Voltage detector IC
3.5V±2%, ±Reset ODO, Sense, hysteresis 5%
X5D
XC6118N35DGR-G
Torex Semiconductor
USP-4
Voltage detector IC
3.5V±2%, ±Reset ODO, Sense, hysteresis <1%
X5D
XC6118N35DMR-G
Torex Semiconductor
SOT-25
Voltage detector IC
3.5V±2%, ±Reset ODO, Sense, hysteresis <1%
X5p
BAS21SW

SOT-323
Diode
Dual, Sw, Fast, 250V, 250mA, 250mW, <50ns
X5R
S595TR
Vishay Semiconductor
SOT-143R
Monolithic microwave IC
UHF, 8V, 20mA, 200µA, Idss=50..500µA
X5t
BAS21SW
NXP Malaysia
SOT-323
Diode
Dual, Sw, Fast, 250V, 250mA, 250mW, <50ns
X5W
BAS21SW

SOT-323
Diode
Dual, Sw, Fast, 250V, 250mA, 250mW, <50ns