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 'WR'

Marking
Name
Manufacturer/Case
Function
WR
2PD602R
Philips
SOT-23
NPN transistor
GP, Sw, 60V, 500mA, 250mW, B=120..240, >160MHz
WR
2SA1483-R
Toshiba
SOT-89
PNP transistor
Sw, 60V, 200mA, 1W, B=40..80, >100MHz
WR
2SD1820-R
Panasonic
SOT-323
NPN transistor
GP, 30V, 500mA, 150mW, B=120..240, 20MHz
WR
2SD602-R
Panasonic
SC-59
NPN transistor
GP, AF, 50V, 500mA, 200mW, B=120..240, 200MHz
WR
2SD968-R
Panasonic
SOT-89
NPN transistor
AF-Drv, 100V, 1A, 1W, B=130..220, 120MHz
WR
2SK322-R
Renessas
SOT-23
FET n-type
HF, 15V, 50mA, 150mW, Idss=20..32mA, Up<3V
WR
BCR198L3
Infineon Technologies
TSLP-3
PNP transistor
Sw, 50V, 70mA, 250mW, R1/R2=47k/47k, 100MHz
WR
BD46251G
Rohm
SSOP-5
Voltage detector IC
2.5V±1%, -MR, -Reset PPO, 100ms
WR
BZT52B24
PanJIT Semiconductor
SOD-123
Zener diode
24V±2%, Izt=5mA, Zzt=70, 410mW
WR
BZT52B24S
Micro Commercial Components
SOD-323
Zener diode
23.52..24.5V, Izt=5mA, Zzt=70, 200mW
WR
BZT52C24-F
TAITRON Components
SOD-123F
Zener diode
22.8..25.6V, Izt=5mA, 410mW
WR
BZT52C24-V
Vishay Semiconductor
SOD-123
Zener diode
24V±5%, Izt=5mA, Zzt=70, 500mW
WR
BZT52C24S
PanJIT Semiconductor
SOD-323
Zener diode
24V±5%, Izt=5mA, Zzt=70, 200mW
WR
BZT52C24WS
TAITRON Components
SOD-323F
Zener diode
22.80..25.20V, Izt=5.0mA, 200mW
WR
BZT52C24WT
TAITRON Components
SOD-523
Zener diode
22.80..25.20V, Izt=5mA, Zzt=70, 200mW
WR
BZT52C24WU
TAITRON Components
SOD-723
Zener diode
22.80..25.20V, Izt=5mA, Zzt=70, 200mW
WR
BZT52C33
Diodes
SOD-123
Zener diode
33V±5%, Izt=5mA, Zzt=80, 500mW
WR
BZT52C33
Diodes
SOD-123
Zener diode
33V±5%, Izt=5mA, Zzt=80, 500mW
WR
BZT52C33S
Diodes
SOD-323
Zener diode
33V±5%, Izt=2.5mA, Zzt=80, 200mW
WR
BZT52C33S
Diodes
SOD-323
Zener diode
33V±5%, Izt=2.5mA, Zzt=80, 200mW
WR
BZX284-B3V3
Philips
SOD-110
Zener diode
3.3V±2%, If=250mA, 400mW
WR
BZX384C24-F
TAITRON Components
SOD-323F
Zener diode
22.8..25.6V, Izt=5.0mA, 200mW
WR
BZX384C24-V
Vishay Semiconductor
SOD-323
Zener diode
24V±5%, Izt=2mA, Zzt=25, 200mW
WR
BZX584C24
PanJIT Semiconductor
SOD-523
Zener diode
22.8..25.6V, Izt=5mA, Zzt=70, 200mW
WR
BZX784C24
PanJIT Semiconductor
SOD-723
Zener diode
22.80..25.20V, Zzt=70, Izt=5mA, 200mW
WR
BZX84B24
PanJIT Semiconductor
SOT-23
Zener diode
23.52..24.48V, Zzt=70, Izt=5mA, 410mW
WR
BZX84C24
Won-Top Electronics
SOT-23
Zener diode
22.8..25.6V, Zzt=70, Izt=5mA, 350mW
WR
BZX84C24TW
PanJIT Semiconductor
SOT-363
Zener diode
Triple, 23.52..24.48V, Zzt=70, Izt=5mA, 200mW
WR
BZX84C24W
Won-Top Electronics
SOT-323
Zener diode
22.8..25.6V, Zzt=70, Izt=5mA, 200mW
WR
CD214A-T75CA
Bourns
DO-214AC
Transient voltage supressor
Vrwm=75V, Irsm=3.3A, 400W(1ms), Bidir.
WR
CHDTA144EEPT
Chenmko Enterprise
SOT-416
PNP transistor
Sw, 50V, 30mA, 250MHz, R1/R2=47k/47k
WR
CZRW55C33-G
Comchip Technology
SOD-123
Zener diode
33.0..35.0V, Zzt=80, Izt=2mA, 500mW
WR
HD74LV1GW57ACM
Renessas
CMPAK-6
Capacitance diode
Configurable multiple-function gate
WR
LBZT52C33T1G
Leshan Radio Company
SOD-123
Zener diode
31..35V, Izt=2mA, 500mW
WR
MEZ02-24-D3
Matsuki Electronic Company
SOD-323
Zener diode
22.80..25.20V, Izt=5mA, Zzt=80, 200mW
WR
MM3Z33V
Secos
SOD-323
Zener diode
31..35V, Izt=2mA, Zzt=80, 200mW
WR
MSD602-R
Motorola
SOT-323
NPN transistor
GP, 60V, 500mA, 200mW, B=120..240
WR
P4SMA170C
Fagor Electronica
DO-214AC
Transient voltage supressor
Vbr=162..179V, Vrwm=145V, 1.8A, 400W(1ms), Bidir.
WR
P4SMAJ75CA
PanJIT Semiconductor
DO-214AC
Transient voltage supressor
Vrwm=75V, 3.3A, 400W (1ms), Bidir.
WR
P4SMAJ8.0CA
Shanghai Lunsure Electronic Technology
DO-214AC
Transient voltage supressor
Vrwm=8V, 29.4A, 400W (1ms), Bidir.
WR
PMF8.0CA
StarHope
SOD-123FL
Transient voltage supressor
Vbr=8.89..9.83V, Vrwm=8.0V, Ipp=14.7A, 200W(1ms), Bidir.
WR
PT7M6314US49D4

SOT-143
Voltage detector IC
4.9V±1.5%, 1570ms, -Restet PPO, -MR
WR
PZU13B1A/DG
Philips
SOD-323
Zener diode
13V±2%, If=200mA, 320mW, halogen-free
WR
R1210N551D
Ricoh
SOT-23-5
DC/DC voltage converter IC
PWM step-up, 5.5V, 180kHz
WR
R3133Q46EA3
Ricoh
SOT-143
Voltage detector IC
4.63V±1.5%, +Reset PPO, -MR
WR
R5325N025B
Ricoh
SOT-23-6
Linear voltage regulator IC
LDO, Dual out, Vout1/Vout2=2.5V/2.9V±1%, 150mA, +CE, CL
WR
RN5RK351A
Ricoh
SOT-23-5
DC/DC voltage converter IC
VFM step-up, Vout=3.5V±1.5%
WR
RP130K491D
Ricoh
DFN1010-4
Linear voltage regulator IC
LDO, LN, +CE, CL, 4.9V±1%, 150mA
WR
RP201K231B
Ricoh
DFN1212-6
Linear voltage regulator IC
LDO, 2.3V±1%, 150mA, +CE, AE(Mode)
WR
SMAJ75CA
Diodes
DO-214AC
Transient voltage supressor
Vrwm=75V, Vbr=83.3..92.1V, 3.3A, 400W(1ms), Bidir.
WR
SMAJ8.0CA
Vishay Semiconductor
DO-214AC
Transient voltage supressor
Vrwm=8.0V, Vbr=8.89..9.83V, 29.4A, 400W(1ms), Bidir.
WR
TV04A8V0JB-G
Comchip Technology
DO-214AC
Transient voltage supressor
Vrwm=8.0V, Vbr=8.89..9.83V, Ipp=29.41A, 400W(1ms), Bidir.
WR
TZTC24WS
TAITRON Components
SOT-323
Zener diode
22.80..25.20V, Izt=5mA, Zzt=70, 200mW
WR-
RT9818A-27PB
Richtek Technology
SOT-23-5
Voltage detector IC
2.7V±1.5%, -Reset ODO
WR0
BZX84-B56

SOT-23
Zener diode
56V±2.5%, Zzt=135, Izt=2.5mA, 250mW
WR1
BZX84-B5V1

SOT-23
Zener diode
5.1V±2.5%, Zzt=60, Izt=5mA, 250mW
WR2
BFR93AW
Silicon General
SOT-323
NPN transistor
UHF-A-Band, 15V, 30mA, 300mW, B>40, >5GHz
WR2
BZX84-B5V6

SOT-23
Zener diode
5.6V±2.5%, Zzt=40, Izt=5mA, 250mW
WR2
S-13A1A33-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 3.3V±1%, 300mA, +CE, CL, PDR
WR2
S-13A1A33-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 3.3V±1%, 300mA, +CE, CL, PDR
WR3
BZX84-B62

SOT-23
Zener diode
62V±2.5%, Zzt=150, Izt=2.5mA, 250mW
WR3
S-13A1A34-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 3.4V±1%, 300mA, +CE, CL, PDR
WR3
S-13A1A34-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 3.4V±1%, 300mA, +CE, CL, PDR
WR4
BZX84-B68

SOT-23
Zener diode
68V±2.5%, Zzt=200, Izt=2.5mA, 250mW
WR4
S-13A1A35-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 3.5V±1%, 300mA, +CE, CL, PDR
WR4
S-13A1A35-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 3.5V±1%, 300mA, +CE, CL, PDR
WR5
BZX84-B6V2

SOT-23
Zener diode
6.2V±2.5%, Zzt=10, Izt=5mA, 250mW
WR5
S-13A1A1C-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.25V±1%, 300mA, +CE, CL, PDR
WR5
S-13A1A1C-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.25V±1%, 300mA, +CE, CL, PDR
WR6
BZX84-B6V8

SOT-23
Zener diode
6.8V±2.5%, Zzt=15, Izt=5mA, 250mW
WR7
BZX84-B75

SOT-23
Zener diode
75V±2.5%, Zzt=250, Izt=2.5mA, 250mW
WR8
BZX84-B7V5

SOT-23
Zener diode
7.5V±2.5%, Zzt=15, Izt=5mA, 250mW
WR9
BZX84-B8V2

SOT-23
Zener diode
8.2V±2.5%, Zzt=15, Izt=5mA, 250mW
WRA
S-13A1A00-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, Adjustable 1.05..5.5V±15mV, 300mA, +CE, CL, PDR
WRB
S-13A1A10-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.0V±1%, 300mA, +CE, CL, PDR
WRB
S-13A1A10-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.0V±1%, 300mA, +CE, CL, PDR
WRC
BFR193TRW
Silicon General
SOT-323
NPN transistor
UHF, 20V, 80mA, 400mW, 8GHz
WRC
S-13A1A11-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.1V±1%, 300mA, +CE, CL, PDR
WRC
S-13A1A11-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.1V±1%, 300mA, +CE, CL, PDR
WRD
S-13A1A12-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.2V±1%, 300mA, +CE, CL, PDR
WRD
S-13A1A12-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.2V±1%, 300mA, +CE, CL, PDR
WRE
S-13A1A13-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.3V±1%, 300mA, +CE, CL, PDR
WRE
S-13A1A13-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.3V±1%, 300mA, +CE, CL, PDR
WRF
BFR181TW
Vishay Semiconductor
SOT-323
NPN transistor
RF, 15V, 20mA, 175mW, 8GHz, B=50..140
WRF
S-13A1A14-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.4V±1%, 300mA, +CE, CL, PDR
WRF
S-13A1A14-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.4V±1%, 300mA, +CE, CL, PDR
WRG
BFR182TW
Vishay Semiconductor
SOT-323
NPN transistor
RF, 15V, 35mA, 200mW, 7.5GHz, B=70..140
WRG
S-13A1A15-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.5V±1%, 300mA, +CE, CL, PDR
WRG
S-13A1A15-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.5V±1%, 300mA, +CE, CL, PDR
WRH
BFR183TW
Vishay Semiconductor
SOT-323
NPN transistor
RF, 15V, 65mA, 200mW, 7.5GHz, B=50..150
WRH
S-13A1A16-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.6V±1%, 300mA, +CE, CL, PDR
WRH
S-13A1A16-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.6V±1%, 300mA, +CE, CL, PDR
WRI
S-13A1A17-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.7V±1%, 300mA, +CE, CL, PDR
WRI
S-13A1A17-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.7V±1%, 300mA, +CE, CL, PDR
WRJ
S-13A1A18-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.8V±1%, 300mA, +CE, CL, PDR
WRJ
S-13A1A18-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.8V±1%, 300mA, +CE, CL, PDR
WRK
S-13A1A1J-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.85V±1%, 300mA, +CE, CL, PDR
WRK
S-13A1A1J-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.85V±1%, 300mA, +CE, CL, PDR
WRL
S-13A1A19-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 1.9V±1%, 300mA, +CE, CL, PDR
WRL
S-13A1A19-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 1.9V±1%, 300mA, +CE, CL, PDR
WRM
S-13A1A20-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.0V±1%, 300mA, +CE, CL, PDR
WRM
S-13A1A20-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.0V±1%, 300mA, +CE, CL, PDR
WRN
S-13A1A21-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.1V±1%, 300mA, +CE, CL, PDR
WRN
S-13A1A21-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.1V±1%, 300mA, +CE, CL, PDR
WRO
S-13A1A22-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.2V±1%, 300mA, +CE, CL, PDR
WRO
S-13A1A22-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.2V±1%, 300mA, +CE, CL, PDR
WRP
S-13A1A23-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.3V±1%, 300mA, +CE, CL, PDR
WRP
S-13A1A23-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.3V±1%, 300mA, +CE, CL, PDR
WRQ
S-13A1A24-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.4V±1%, 300mA, +CE, CL, PDR
WRQ
S-13A1A24-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.4V±1%, 300mA, +CE, CL, PDR
WRR
S-13A1A25-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.5V±1%, 300mA, +CE, CL, PDR
WRR
S-13A1A25-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.5V±1%, 300mA, +CE, CL, PDR
WRs
BCR198
Infineon Technologies
SOT-23
PNP transistor
Sw, 50V, 70mA, 200mW, R1/R2=47k/47k, 190MHz
WRs
BCR198F
Infineon Technologies
TSFP-3
PNP transistor
Sw, 50V, 70mA, 250mW, R1/R2=47k/47k, 100MHz
WRs
BCR198T
Infineon Technologies
SOT-416
PNP transistor
Sw, 50V, 70mA, 250mW, R1/R2=47k/47k, 100MHz
WRs
BCR198W
Infineon Technologies
SOT-323
PNP transistor
Sw, 50V, 70mA, 250mW, R1/R2=47k/47k, 190MHz
WRS
S-13A1A26-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.6V±1%, 300mA, +CE, CL, PDR
WRS
S-13A1A26-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.6V±1%, 300mA, +CE, CL, PDR
WRT
S-13A1A27-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.7V±1%, 300mA, +CE, CL, PDR
WRT
S-13A1A27-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.7V±1%, 300mA, +CE, CL, PDR
WRU
S-13A1A28-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.8V±1%, 300mA, +CE, CL, PDR
WRU
S-13A1A28-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.8V±1%, 300mA, +CE, CL, PDR
WRV
S-13A1A2J-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.85V±1%, 300mA, +CE, CL, PDR
WRV
S-13A1A2J-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.85V±1%, 300mA, +CE, CL, PDR
WRW
S-13A1A29-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 2.6V±1%, 300mA, +CE, CL, PDR
WRW
S-13A1A29-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 2.9V±1%, 300mA, +CE, CL, PDR
WRX
S-13A1A30-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 3.0V±1%, 300mA, +CE, CL, PDR
WRX
S-13A1A30-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 3.0V±1%, 300mA, +CE, CL, PDR
WRY
S-13A1A31-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 3.1V±1%, 300mA, +CE, CL, PDR
WRY
S-13A1A31-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 3.1V±1%, 300mA, +CE, CL, PDR
WRZ
S-13A1A32-A6T1U3
Seiko Instruments
HSNT-6A
Linear voltage regulator IC
LDO, 3.2V±1%, 300mA, +CE, CL, PDR
WRZ
S-13A1A32-U5T1U3
Seiko Instruments
SOT-89-5
Linear voltage regulator IC
LDO, 3.2V±1%, 300mA, +CE, CL, PDR