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 'WW'

Marking
Name
Manufacturer/Case
Function
WW
BCR179L3
Infineon Technologies
TSLP-3
PNP transistor
Sw, 50V, 100mA, 250mW, R1=10k, 150MHz
WW
BD46462G
Rohm
SSOP-5
Voltage detector IC
4.6V±1%, -MR, -Reset PPO, 200ms
WW
BZT52B36
PanJIT Semiconductor
SOD-123
Zener diode
36V±2%, Izt=5mA, Zzt=90, 410mW
WW
BZT52B36S
Micro Commercial Components
SOD-323
Zener diode
35.28..36.72V, Izt=2mA, Zzt=90, 200mW
WW
BZT52C36-F
TAITRON Components
SOD-123F
Zener diode
34..38V, Izt=5mA, 410mW
WW
BZT52C36-V
Vishay Semiconductor
SOD-123
Zener diode
36V±5%, Izt=5mA, Zzt=90, 500mW
WW
BZT52C36S
PanJIT Semiconductor
SOD-323
Zener diode
36V±5%, Izt=5mA, Zzt=90, 200mW
WW
BZT52C36WS
TAITRON Components
SOD-323F
Zener diode
34.20..37.80V, Izt=5.0mA, 200mW
WW
BZT52C36WT
TAITRON Components
SOD-523
Zener diode
34.20..37.80V, Izt=5mA, Zzt=90, 200mW
WW
BZT52C36WU
TAITRON Components
SOD-723
Zener diode
34.20..37.80V, Izt=5mA, Zzt=90, 200mW
WW
BZX284-B5V1
Philips
SOD-110
Zener diode
5.1V±2%, If=250mA, 400mW
WW
BZX384C36-F
TAITRON Components
SOD-323F
Zener diode
34.0..38.0V, Izt=2.0mA, 200mW
WW
BZX384C36-V
Vishay Semiconductor
SOD-323
Zener diode
36V±5%, Izt=2mA, Zzt=35, 200mW
WW
BZX584C36
PanJIT Semiconductor
SOD-523
Zener diode
34..38V, Izt=2mA, Zzt=90, 200mW
WW
BZX784C36
PanJIT Semiconductor
SOD-723
Zener diode
34.20..37.80V, Zzt=90, Izt=5mA, 200mW
WW
BZX84B36
PanJIT Semiconductor
SOT-23
Zener diode
35.28..36.72V, Zzt=90, Izt=5mA, 410mW
WW
BZX84C36
Won-Top Electronics
SOT-23
Zener diode
34..38V, Zzt=90, Izt=5mA, 350mW
WW
BZX84C36TW
PanJIT Semiconductor
SOT-363
Zener diode
Triple, 35.28..36.72V, Zzt=90, Izt=5mA, 200mW
WW
BZX84C36W
Won-Top Electronics
SOT-323
Zener diode
34..38V, Zzt=90, Izt=5mA, 200mW
WW
LBZT52C51T1G
Leshan Radio Company
SOD-123
Zener diode
48..54V, Izt=2mA, 500mW
WW
MEZ02-36-D3
Matsuki Electronic Company
SOD-323
Zener diode
34.20..37.80V, Izt=5mA, Zzt=90, 200mW
WW
MM3Z51V
Secos
SOD-323
Zener diode
48..54V, Izt=2mA, Zzt=180, 200mW
WW
P4SMAJ10C
Shanghai Lunsure Electronic Technology
DO-214AC
Transient voltage supressor
Vrwm=10V, 21.2A, 400W (1ms), Bidir.
WW
P4SMAJ90C
PanJIT Semiconductor
DO-214AC
Transient voltage supressor
Vrwm=90V, 2.5A, 400W (1ms), Bidir.
WW
PZU15B1A/DG
Philips
SOD-323
Zener diode
15V±2%, If=200mA, 320mW, halogen-free
WW
R5325N030B
Ricoh
SOT-23-6
Linear voltage regulator IC
LDO, Dual out, Vout1/Vout2=3.45V/2.3V±1%, 150mA, +CE, CL
WW
RN5RK211A
Ricoh
SOT-23-5
DC/DC voltage converter IC
VFM step-up, Vout=2.1V±1.5%
WW
RP201K281B
Ricoh
DFN1212-6
Linear voltage regulator IC
LDO, 2.8V±1%, 150mA, +CE, AE(Mode)
WW
SM4T100C
SGS-Thomson Microelectronics
SOD-6
Transient voltage supressor
Vrwm=100V, 2.9A, 400W(1ms), Bidir.
WW
SMAJ10C
Vishay Semiconductor
DO-214AC
Transient voltage supressor
Vrwm=10V, Vbr=11.1..12.3V, 21.3A, 400W(1ms), Bidir.
WW
TV04A100KB-G
Comchip Technology
DO-214AC
Transient voltage supressor
Vrwm=10.0V, Vbr=11.10..13.60V, Ipp=21.28A, 400W(1ms), Bidir.
WW
TZTC36WS
TAITRON Components
SOT-323
Zener diode
34.20..37.80V, Izt=5mA, Zzt=90, 200mW
WW-
RT9013-30PB
Richtek Technology
SOT-23-5
Linear voltage regulator IC
LDO, 3.0V±2%, 500mA, +CE
WW3
CMPZDA2V4
Central Semiconductor
SOT-23
Zener diode
Dual, 2.4V±2.5%, If=10mA, 350mW
WW4
CMPZDA2V7
Central Semiconductor
SOT-23
Zener diode
Dual, 2.7V±2.5%, If=10mA, 350mW
WW5
CMPZDA3V0
Central Semiconductor
SOT-23
Zener diode
Dual, 3V±2.5%, If=10mA, 350mW
WW6
CMPZDA3V3
Central Semiconductor
SOT-23
Zener diode
Dual, 3.3V±2.5%, If=10mA, 350mW
WW7
CMPZDA3V6
Central Semiconductor
SOT-23
Zener diode
Dual, 3.6V±2.5%, If=10mA, 350mW
WW8
CMPZDA3V9
Central Semiconductor
SOT-23
Zener diode
Dual, 3.9V±2.5%, If=10mA, 350mW
WW9
CMPZDA4V3
Central Semiconductor
SOT-23
Zener diode
Dual, 4.3V±2.5%, If=10mA, 350mW
WWs
BCR179F
Infineon Technologies
TSFP-3
PNP transistor
Sw, 50V, 100mA, 250mW, R1=10k, 150MHz
WWs
BCR179T
Infineon Technologies
SOT-416
PNP transistor
Sw, 50V, 100mA, 250mW, R1=10k, 150MHz