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 'WN'
Tap on the package name to see a picture of it
Marking
Name
Manufacturer/Case
Function
WN
BZT52B18
PanJIT Semiconductor
SOD-123
SOD-123
Zener diode
18V±2%, Izt=5mA, Zzt=45, 410mW
18V±2%, Izt=5mA, Zzt=45, 410mW
WN
BZT52C18
Won-Top Electronics
SOD-123
SOD-123
Zener diode
18V±5%, Izt=5mA, Zzt=45, 410mW
18V±5%, Izt=5mA, Zzt=45, 410mW
WN
BZT52C18-V
Vishay Semiconductor
SOD-123
SOD-123
Zener diode
18V±5%, Izt=5mA, Zzt=45, 500mW
18V±5%, Izt=5mA, Zzt=45, 500mW
WN
BZT52C22
Diodes
SOD-123
SOD-123
Zener diode
22V±5%, Izt=5mA, Zzt=55, 500mW
22V±5%, Izt=5mA, Zzt=55, 500mW
WN
BZT52C22
Diodes
SOD-123
SOD-123
Zener diode
22V±5%, Izt=5mA, Zzt=55, 500mW
22V±5%, Izt=5mA, Zzt=55, 500mW
WN
BZT52C22-G
Taiwan Semiconductor Company
SOD-123
SOD-123
Zener diode
20.90..23.10V, Izt=5mA, Zzt=55, 350mW
20.90..23.10V, Izt=5mA, Zzt=55, 350mW
WN
CZRW55C22-G
Comchip Technology
SOD-123
SOD-123
Zener diode
22.0..23.30V, Zzt=55, Izt=5mA, 500mW
22.0..23.30V, Zzt=55, Izt=5mA, 500mW
WN
LBZT52C22T1G
Leshan Radio Company
SOD-123
SOD-123
Zener diode
20.8..23.3V, Izt=5mA, 500mW
20.8..23.3V, Izt=5mA, 500mW
WN
BZT52-C18S
PanJIT Semiconductor
SOD-323
SOD-323
Zener diode
18V±5%, Izt=5mA, Zzt=45, 200mW
18V±5%, Izt=5mA, Zzt=45, 200mW
WN
BZT52B18S
Micro Commercial Components
SOD-323
SOD-323
Zener diode
17.6..18.4V, Izt=5mA, Zzt=45, 200mW
17.6..18.4V, Izt=5mA, Zzt=45, 200mW
WN
BZT52C22S
Diodes
SOD-323
SOD-323
Zener diode
22V±5%, Izt=5mA, Zzt=55, 200mW
22V±5%, Izt=5mA, Zzt=55, 200mW
WN
BZT52C22S
Diodes
SOD-323
SOD-323
Zener diode
22V±5%, Izt=5mA, Zzt=55, 200mW
22V±5%, Izt=5mA, Zzt=55, 200mW
WN
BZX384C18-V
Vishay Semiconductor
SOD-323
SOD-323
Zener diode
18V±5%, Izt=5mA, Zzt=10, 200mW
18V±5%, Izt=5mA, Zzt=10, 200mW
WN
MEZ02-18-D3
Matsuki Electronic Company
SOD-323
SOD-323
Zener diode
17.10..18.90V, Izt=5mA, Zzt=50, 200mW
17.10..18.90V, Izt=5mA, Zzt=50, 200mW
WN
MM3Z22V
Secos
SOD-323
SOD-323
Zener diode
20.8..23.3V, Izt=5mA, Zzt=55, 200mW
20.8..23.3V, Izt=5mA, Zzt=55, 200mW
WN
PZU12B3A/DG
NXP Semiconductors
SOD-323
SOD-323
Zener diode
12.08..12.6V, Zzt=10(Iz=5mA), 320mW, H-free
12.08..12.6V, Zzt=10(Iz=5mA), 320mW, H-free
WN
BZT52C18-F
TAITRON Components
SOD-123F
SOD-123F
Zener diode
16.8..19.1V, Izt=5mA, 410mW
16.8..19.1V, Izt=5mA, 410mW
WN
BZT52C18WS
TAITRON Components
SOD-323F
SOD-323F
Zener diode
17.10..18.90V, Izt=5.0mA, 200mW
17.10..18.90V, Izt=5.0mA, 200mW
WN
BZX384C18-F
TAITRON Components
SOD-323F
SOD-323F
Zener diode
16.8..19.1V, Izt=5.0mA, 200mW
16.8..19.1V, Izt=5.0mA, 200mW
WN
BZT52C18WT
TAITRON Components
SOD-523
SOD-523
Zener diode
17.10..18.90V, Izt=5mA, Zzt=45, 200mW
17.10..18.90V, Izt=5mA, Zzt=45, 200mW
WN
BZT52C22T
Diodes
SOD-523
SOD-523
Zener diode
22V±5%, Izt=5mA, Zzt=55, 150mW
22V±5%, Izt=5mA, Zzt=55, 150mW
WN
BZX584C18
PanJIT Semiconductor
SOD-523
SOD-523
Zener diode
16.8..19.1V, Izt=5mA, Zzt=45, 200mW
16.8..19.1V, Izt=5mA, Zzt=45, 200mW
WN
BZT52C18WU
TAITRON Components
SOD-723
SOD-723
Zener diode
17.10..18.90V, Izt=5mA, Zzt=45, 200mW
17.10..18.90V, Izt=5mA, Zzt=45, 200mW
WN
BZX784C18
PanJIT Semiconductor
SOD-723
SOD-723
Zener diode
17.10..18.90V, Zzt=45, Izt=5mA, 200mW
17.10..18.90V, Zzt=45, Izt=5mA, 200mW
WN
EC76SMAJ7.5C
E-CMOS
DO-214AC
DO-214AC
Transient voltage supressor
Vbr=8.33..10.2V, Vrwm=7.5V, Ipp=28.0A, 400W(1ms), Bidir.
Vbr=8.33..10.2V, Vrwm=7.5V, Ipp=28.0A, 400W(1ms), Bidir.
WN
P4SMAJ7.5C
Shanghai Lunsure Electronic Technology
DO-214AC
DO-214AC
Transient voltage supressor
Vrwm=7.5V, Vbr=8.33..10.2V, Ipp=28.0A, 400W(1ms), Bidir.
Vrwm=7.5V, Vbr=8.33..10.2V, Ipp=28.0A, 400W(1ms), Bidir.
WN
P4SMAJ70C
PanJIT Semiconductor
DO-214AC
DO-214AC
Transient voltage supressor
Vrwm=70V, Vbr=77.8..98.6V, Ipp=3.2A, 400W(1ms), Bidir.
Vrwm=70V, Vbr=77.8..98.6V, Ipp=3.2A, 400W(1ms), Bidir.
WN
P4SMAJ70C
Shanghai Lunsure Electronic Technology
DO-214AC
DO-214AC
Transient voltage supressor
Vrwm=70V, Vbr=77.8..95.1V, Ipp=3.2A, 400W(1ms), Bidir.
Vrwm=70V, Vbr=77.8..95.1V, Ipp=3.2A, 400W(1ms), Bidir.
WN
P4SMAJ70C
Won-Top Electronics
DO-214AC
DO-214AC
Transient voltage supressor
Vrwm=70V, Vbr=77.8..98.6V, Ipp=3.2A, 400W(1ms), Bidir.
Vrwm=70V, Vbr=77.8..98.6V, Ipp=3.2A, 400W(1ms), Bidir.
WN
SMAJ7.5C
Socay Electronics
DO-214AC
DO-214AC
Transient voltage supressor
Vrwm=7.5V, Vbr=8.33..10.20V, Ipp=27.97A, 400W(1ms), Bidir.
Vrwm=7.5V, Vbr=8.33..10.20V, Ipp=27.97A, 400W(1ms), Bidir.
WN
SMAJ7.5C
Vishay Semiconductor
DO-214AC
DO-214AC
Transient voltage supressor
Vrwm=7.5V, Vbr=8.33..10.2V, 28A, 400W(1ms), Bidir.
Vrwm=7.5V, Vbr=8.33..10.2V, 28A, 400W(1ms), Bidir.
WN
SMAJ70CG
First Semiconductor
DO-214AC
DO-214AC
Transient voltage supressor
Vrwm=70V, Vbr=77.8..98.6V, Ipp=3.2A, 400W(1ms), Bidir.
Vrwm=70V, Vbr=77.8..98.6V, Ipp=3.2A, 400W(1ms), Bidir.
WN
TV04A7V5KB-G
Comchip Technology
DO-214AC
DO-214AC
Transient voltage supressor
Vrwm=7.50V, Vbr=8.33..10.20V, Ipp=27.97A, 400W(1ms), Bidir.
Vrwm=7.50V, Vbr=8.33..10.20V, Ipp=27.97A, 400W(1ms), Bidir.
WN
SM4T68C
SGS-Thomson Microelectronics
SOD-6
SOD-6
Transient voltage supressor
Vrwm=68V, 4.3A, 400W(1ms), Bidir.
Vrwm=68V, 4.3A, 400W(1ms), Bidir.
WN
BZX84B18
PanJIT Semiconductor
SOT-23
SOT-23
Zener diode
17.64..18.36V, Zzt=45, Izt=5mA, 410mW
17.64..18.36V, Zzt=45, Izt=5mA, 410mW
WN
BZX84C18
Won-Top Electronics
SOT-23
SOT-23
Zener diode
16.8..19.1V, Zzt=45, Izt=5mA, 350mW
16.8..19.1V, Zzt=45, Izt=5mA, 350mW
WN
BZX84C18W
Won-Top Electronics
SOT-323
SOT-323
Zener diode
16.8..19.1V, Zzt=45, Izt=5mA, 200mW
16.8..19.1V, Zzt=45, Izt=5mA, 200mW
WN
CHDTA114YUPT
Chenmko Enterprise
SOT-323
SOT-323
PNP transistor
Sw, 50V, 70mA, 250MHz, R1/R2=10k/47k
Sw, 50V, 70mA, 250MHz, R1/R2=10k/47k
WN
TZTC18WS
TAITRON Components
SOT-323
SOT-323
Zener diode
17.10..18.90V, Izt=5mA, Zzt=45, 200mW
17.10..18.90V, Izt=5mA, Zzt=45, 200mW
WN
BCR185L3
Infineon Technologies
TSLP-3
TSLP-3
PNP transistor
Sw, 50V, 100mA, 250mW, R1/R2=10k/47k, 150MHz
Sw, 50V, 100mA, 250mW, R1/R2=10k/47k, 150MHz
WN
PT7M6314US48D4
Pericom Technology
SOT-143
SOT-143
Voltage detector IC
4.8V±1.5%, 1570ms, -Reset PPO, -MR
4.8V±1.5%, 1570ms, -Reset PPO, -MR
WN
R3133Q29EA3
Ricoh
SOT-143
SOT-143
Voltage detector IC
2.93V±1.5%, +Reset PPO, -MR
2.93V±1.5%, +Reset PPO, -MR
WN
RP130K461D
Ricoh
DFN1010-4
DFN1010-4
Linear voltage regulator IC
LDO, LN, +CE, CL, 4.6V±1%, 150mA
LDO, LN, +CE, CL, 4.6V±1%, 150mA
WN
R1210N521D
Ricoh
SOT-23-5
SOT-23-5
DC/DC voltage converter IC
PWM st-up, 5.2V, 180kHz
PWM st-up, 5.2V, 180kHz
WN
RN5RK321A
Ricoh
SOT-23-5
SOT-23-5
DC/DC voltage converter IC
VFM st-up, Vout=3.2V±1.5%, 500mA
VFM st-up, Vout=3.2V±1.5%, 500mA
WN
BD46281G
Rohm
SSOP-5
SSOP-5
Voltage detector IC
2.8V±1%, -MR, -Reset PPO, 100ms
2.8V±1%, -MR, -Reset PPO, 100ms
WN
R5325N022B
Ricoh
SOT-23-6
SOT-23-6
Linear voltage regulator IC
LDO, Dual out, Vout1/Vout2=2.7V/2.85V±1%, 150mA, +CE, CL
LDO, Dual out, Vout1/Vout2=2.7V/2.85V±1%, 150mA, +CE, CL
WN
BZX84C18TW
PanJIT Semiconductor
SOT-363
SOT-363
Zener diode
Triple, 17.64..18.36V, Zzt=45, Izt=5mA, 200mW
Triple, 17.64..18.36V, Zzt=45, Izt=5mA, 200mW
WN
RP201K201B
Ricoh
DFN1212-6
DFN1212-6
Linear voltage regulator IC
LDO, 2.0V±1%, 150mA, +CE, AE(Mode)
LDO, 2.0V±1%, 150mA, +CE, AE(Mode)
WN
2SC6061
Toshiba
2-3S1A
2-3S1A
NPN transistor
Sw, 180V, 1A, 625mW, 0.1/0.2us, B=120..300
Sw, 180V, 1A, 625mW, 0.1/0.2us, B=120..300
WN-
RT9818A-33PB
Richtek Technology
SOT-23-5
SOT-23-5
Voltage detector IC
3.3V±1.5%, -Reset ODO
3.3V±1.5%, -Reset ODO
WN3
SN74LV1T126DCK
Texas Instruments
SC-70-5
SC-70-5
CMOS logic IC
Bus buffer gate with 3-state output
Bus buffer gate with 3-state output
WNJ
SN74LV1T126DCK
Texas Instruments
SC-70-5
SC-70-5
CMOS logic IC
Bus buffer gate with 3-state output
Bus buffer gate with 3-state output
WNS
SN74LV1T126DCK
Texas Instruments
SC-70-5
SC-70-5
CMOS logic IC
Bus buffer gate with 3-state output
Bus buffer gate with 3-state output
WNs
BCR185
Infineon Technologies
SOT-23
SOT-23
PNP transistor
Sw, 50V, 100mA, 200mW, R1/R2=10k/47k, 200MHz
Sw, 50V, 100mA, 200mW, R1/R2=10k/47k, 200MHz
WNs
BCR185W
Infineon Technologies
SOT-323
SOT-323
PNP transistor
Sw, 50V, 100mA, 250mW, R1/R2=10k/47k, 200MHz
Sw, 50V, 100mA, 250mW, R1/R2=10k/47k, 200MHz
WNs
BCR185T
Infineon Technologies
SOT-416
SOT-416
PNP transistor
Sw, 50V, 100mA, 250mW, R1/R2=10k/47k, 150MHz
Sw, 50V, 100mA, 250mW, R1/R2=10k/47k, 150MHz
WNs
BCR185F
Infineon Technologies
TSFP-3
TSFP-3
PNP transistor
Sw, 50V, 100mA, 250mW, R1/R2=10k/47k, 150MHz
Sw, 50V, 100mA, 250mW, R1/R2=10k/47k, 150MHz
WN3125
TC7WPN3125FK
Toshiba
SOT-765
SOT-765
CMOS logic IC
2-bit dual supply bus buffer
2-bit dual supply bus buffer
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