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 '1R'

Marking
Name
Manufacturer/Case
Function
1R
2SC4929
Panasonic
SOT-89
NPN transistor
Sw, 500/400V, 800mA, 80MHz
1R
BZD27B180P-M
Vishay Semiconductor
DO-219AB
Zener diode
180V±2%, Zzt=180, Izt=5mA, 800mW, H-free
1R
FMMT5089
Zetex
SOT-23
NPN transistor
AF, 30V, 50mA, 330mW, B=400..1200, >50MHz
1R
FS2M
Fagor Electronica
DO-214AA
Diode
Rectifier, 1000V, 1.5A, Vf<1.1V(1.5A), 4µs
1R
IMP161RCUS
IMP
SOT-143
Voltage detector IC
2.63V±1.5%, -Reset ODO, -MR
1R
IXD5126C18ANR-G
IXYS
SSOT-24
Voltage detector IC
1.8V±0.8%, -Reset PPO
1R
IXD5127N39BNR
IXYS
SSOT-24
Voltage detector IC
3.9V±0.8%, -Reset ODO, -MR, 100ms Rt delay
1R
KST5089
Samsung Electronics
SOT-23
NPN transistor
GP, 35V, 50mA, 350mW, B=400..1200, >50MHz
1R
MM3Z6V2
Luguang Electronic Technology
SOD-323FL
Zener diode
5.8..6.6V, Izt=5mA, Zzt=50, 300mW
1R
MMBT5089
Motorola
SOT-23
NPN transistor
GP, LN, 30V, 50mA, 225mW, B=400..1200, >50MHz
1R
MMBTSC2412-R
Dongguan Pingjingsemi Technology
SOT-23
NPN transistor
GP, 60V, 150mA, 200mW, B=180..390, 180MHz
1R
R1210N311A
Ricoh
SOT-23-5
DC/DC voltage converter IC
PWM st-up, 3.1V, 35..100kHz
1R
R3117K221A
Ricoh
DFN1010-4
Voltage detector IC
2.2V±1%, -Reset ODO, Sense
1R
R3131N44BA
Ricoh
SOT-23
Voltage detector IC
4.4V±1.5%, +Reset PPO, Rdt=100ms
1R
R3133Q25EA
Ricoh
SOT-143
Voltage detector IC
2.5V±1.5%, +Reset PPO, -MR
1R
R5105N291A
Ricoh
SOT-23-6
Voltage detector IC
2.9V±1%, -Reset ODO
1R
R5326N016A
Ricoh
SOT-23-6
Linear voltage regulator IC
LDO, Dual out, Vout1/Vout2=2.85V/2.85V±1%, 150mA, +CE
1R
RP100K331B
Ricoh
PLP1612-4
Linear voltage regulator IC
LDO, LN, 3.3V±0.8%, 200mA, +CE
1R
RP112K251B
Ricoh
DFN1010-4
Linear voltage regulator IC
LDO, 2.5V±1%, 150mA, +CE
1R
RP173K251A
Ricoh
DFN1010-4
Linear voltage regulator IC
LDO, 2.5V±1%, 150mA, -CE
1R
SMZ1515
EIC Semiconductor
SOD-123FL
Zener diode
10V±5%, Zzt=7.0, Izm=91mA, 1W
1R
SRA2201E
AUK Semiconductor
SOT-523
PNP transistor
Sw, 50V, 100mA, 150mW, 200MHz, R1/R2=4.7/47k
1R
SRA2201EF
AUK Semiconductor
SOT-523F
PNP transistor
Sw, 50V, 100mA, 150mW, 200MHz, R1/R2=4.7k/4.7k
1R
SRA2201U
AUK Semiconductor
SOT-323
PNP transistor
Sw, 50V, 100mA, 200mW, 200MHz, R1/R2=4.7k/4.7k
1R
SRA2201UF
AUK Semiconductor
SOT-323F
PNP transistor
Sw, 50V, 100mA, 200mW, 200MHz, R1/R2=4.7k/4.7k
1R
STZ8062
JinYu semiconductor
SOD-323
Zener diode
5.8..6.6V, Izt=5mA, Zzt=30, 300mW
1R
TMPT5089
Allegro MicroSystems
SOT-23
NPN transistor
AF, 30V, 50mA, 330mW, B=400..1200, >50MHz
1R
UNRF1A0
Panasonic
ML3
PNP transistor
Sw, 50V, 80mA, 100mW, 80MHz, R1=47k
1R
XC6126C18ANR-G
Torex Semiconductor
SSOT-24
Voltage detector IC
1.8V±0.8%, -Reset PPO
1R
XC6127N39BNR
Torex Semiconductor
SSOT-24
Voltage detector IC
3.9V±0.8%, -Reset ODO, -MR, Rdt=100ms
1R
XC6129C39B9R-G
Torex Semiconductor
USPQ-4B05
Voltage detector IC
3.9V±0.8%, -Reset PPO, Rel. Delay, Undef. Protect
1R
XC6129C39BNR-G
Torex Semiconductor
SSOT-24
Voltage detector IC
3.9V±0.8%, -Reset PPO, Rel. Delay, Undef. Protect
1R
XC6129N39B9R-G
Torex Semiconductor
USPQ-4B05
Voltage detector IC
3.9V±0.8%, -Reset ODO, Rel. Delay, Undef. Protect
1R
XC6129N39BNR-G
Torex Semiconductor
SSOT-24
Voltage detector IC
3.9V±0.8%, -Reset ODO, Rel. Delay, Undef. Protect
1R
XC6217C2327R-G
Torex Semiconductor
USPN-4
Linear voltage regulator IC
LDO, 2.3V±2%, 200mA, +CE
1R
XC6217C232NR
Torex Semiconductor
SSOT-24
Linear voltage regulator IC
LDO, 2.3V±2%, 200mA, +CE
1R
XC6223B3219R-G
Torex Semiconductor
USPQ-4B03
Linear voltage regulator IC
LDO, 3.2V±1%, 300mA, +CE, CL
1R
XC6229D37B1R-G
Torex Semiconductor
BGA-4
Linear voltage regulator IC
LDO, 3.75V±1%, 300mA, +CE
1R0
TCR3UF10A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.0V±1%, 300mA, +CE, CL
1R0
TCR3UM10A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.0V±1%, 300mA, +CE
1R0
TCR5AM10
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.0V±1%, 500mA, +CE
1R0
XC6102E531MR
Torex Semiconductor
SOT-25
Voltage detector IC
3.1V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1R1
TCR3UF11A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.1V±1%, 300mA, +CE, CL
1R1
TCR3UM11A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.1V±1%, 300mA, +CE
1R1
TCR5AM11
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.1V±1%, 500mA, +CE
1R1
XC6102E532MR
Torex Semiconductor
SOT-25
Voltage detector IC
3.2V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1R2
TCR3UF12A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.2V±1%, 300mA, +CE, CL
1R2
TCR3UM12A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.2V±1%, 300mA, +CE
1R2
TCR5AM12
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.2V±1%, 500mA, +CE
1R2
XC6102E533MR
Torex Semiconductor
SOT-25
Voltage detector IC
3.3V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1R3
TCR3UF13A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.3V±1%, 300mA, +CE, CL
1R3
TCR3UM13A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.3V±1%, 300mA, +CE
1R3
TCR5AM13
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.3V±1%, 500mA, +CE
1R3
XC6102E534MR
Torex Semiconductor
SOT-25
Voltage detector IC
3.4V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1R4
TCR3UF14A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.4V±1%, 300mA, +CE, CL
1R4
TCR3UM14A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.4V±1%, 300mA, +CE
1R4
TCR5AM14
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.4V±1%, 500mA, +CE
1R4
XC6102E535MR
Torex Semiconductor
SOT-25
Voltage detector IC
3.5V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1R5
TCR3UF15A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.5V±1%, 300mA, +CE, CL
1R5
TCR3UM15A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.5V±1%, 300mA, +CE
1R5
TCR5AM15
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.5V±1%, 500mA, +CE
1R5
XC6102E536MR
Torex Semiconductor
SOT-25
Voltage detector IC
3.6V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1R6
TCR3UF16A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.6V±1%, 300mA, +CE, CL
1R6
TCR3UM16A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.6V±1%, 300mA, +CE
1R6
TCR5AM16
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.6V±1%, 500mA, +CE
1R6
XC6102E537MR
Torex Semiconductor
SOT-25
Voltage detector IC
3.7V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1R7
TCR5AM17
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.7V±1%, 500mA, +CE
1R7
XC6102E538MR
Torex Semiconductor
SOT-25
Voltage detector IC
3.8V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1R8
CMSZ5265B
Central Semiconductor
SOT-323
Zener diode
62V±5%, 2.0mA, Zzt=185, 275mW
1R8
TCR3UF18A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.8V±1%, 300mA, +CE, CL
1R8
TCR3UM18A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.8V±1%, 300mA, +CE
1R8
TCR5AM18
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.8V±1%, 500mA, +CE
1R8
XC6102E539MR
Torex Semiconductor
SOT-25
Voltage detector IC
3.9V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1R9
TCR3UF19A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.9V±1%, 300mA, +CE, CL
1R9
TCR3UM19A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.9V±1%, 300mA, +CE
1R9
TCR5AM19
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.9V±1%, 500mA, +CE
1R9
XC6102E540MR
Torex Semiconductor
SOT-25
Voltage detector IC
4.0V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1R=
RT9715EGB
Richtek Technology
SOT-23-5
High-side power switch IC
Vin=2.7..5.5V, 1.1A, +CE
1RA
TCR5AM105
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.05V±1%, 500mA, +CE
1RA
UM821RAE
Union Semiconductor
SOT-143
Voltage detector IC
2.63V±2%, MR, Tmr=10.08s, -Reset PPO
1RA
XC6102E541MR
Torex Semiconductor
SOT-25
Voltage detector IC
4.1V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1RB
TCR5AM115
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.15V±1%, 500mA, +CE
1RB
UM821RBE
Union Semiconductor
SOT-143
Voltage detector IC
2.63V±2%, MR, Tmr=6.72s, -Reset PPO
1RB
XC6102E542MR
Torex Semiconductor
SOT-25
Voltage detector IC
4.2V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1RC
CMST5087
Central Semiconductor
SOT-323
PNP transistor
GP, 50V, 50mA, 275mW, B=250..800, 40MHz
1RC
CMST5089
Central Semiconductor
SOT-323
NPN transistor
GP, 30V, 50mA, 275mW, B=400..1200, 50MHz
1RC
TCR3UF105A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.05V±1%, 300mA, +CE, CL
1RC
TCR3UM105A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.05V±1%, 300mA, +CE
1RC
TCR5AM125
Toshiba
DFN5B
Linear voltage regulator IC
LDO, 1.25V±1%, 500mA, +CE
1RC
UM821RCE
Union Semiconductor
SOT-143
Voltage detector IC
2.63V±2%, MR, Tmr=1.68s, -Reset PPO
1RC
XC6102E543MR
Torex Semiconductor
SOT-25
Voltage detector IC
4.3V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1RD
XC6102E544MR
Torex Semiconductor
SOT-25
Voltage detector IC
4.4V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1RE
TCR3UF115A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.15V±1%, 300mA, +CE, CL
1RE
TCR3UM115A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.15V±1%, 300mA, +CE
1RE
XC6102E545MR
Torex Semiconductor
SOT-25
Voltage detector IC
4.5V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1RF
TCR3UF135A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.35V±1%, 300mA, +CE, CL
1RF
TCR3UM135A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.35V±1%, 300mA, +CE
1RF
XC6102E516MR
Torex Semiconductor
SOT-25
Voltage detector IC
1.6V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1RF
XC6102E546MR
Torex Semiconductor
SOT-25
Voltage detector IC
4.6V±2%, Hst, -MR, -Reset ODO, W t=400ms, Rdt=200ms
1RG
TCR3UF175A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.75V±1%, 300mA, +CE, CL
1RG
TCR3UM175A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.75V±1%, 300mA, +CE
1RH
TCR3UF1825A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.825V±1%, 300mA, +CE, CL
1RH
TCR3UM1825A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.825V±1%, 300mA, +CE
1RH
XC6102E517MR
Torex Semiconductor
SOT-25
Voltage detector IC
1.7V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RH
XC6102E547MR
Torex Semiconductor
SOT-25
Voltage detector IC
4.7V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RJ
TCR3UF185A
Toshiba
SOT-25
Linear voltage regulator IC
LDO, 1.85V±1%, 300mA, +CE, CL
1RJ
TCR3UM185A
Toshiba
DFN-4
Linear voltage regulator IC
LDO, 1.85V±1%, 300mA, +CE
1RK
XC6102E518MR
Torex Semiconductor
SOT-25
Voltage detector IC
1.8V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RK
XC6102E548MR
Torex Semiconductor
SOT-25
Voltage detector IC
4.8V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RL
XC6102E519MR
Torex Semiconductor
SOT-25
Voltage detector IC
1.9V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RL
XC6102E549MR
Torex Semiconductor
SOT-25
Voltage detector IC
4.9V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RM
XC6102E520MR
Torex Semiconductor
SOT-25
Voltage detector IC
2.0V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RM
XC6102E550MR
Torex Semiconductor
SOT-25
Voltage detector IC
5.0V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RN
XC6102E521MR
Torex Semiconductor
SOT-25
Voltage detector IC
2.1V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RP
XC6102E522MR
Torex Semiconductor
SOT-25
Voltage detector IC
2.2V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RQ
2SB1585-Q
Panasonic
TMini-3
PNP transistor
Lo-sat, 15V, 500mA, 130MHz, B=85..170
1RR
2SB0970-R
Panasonic
SC-59
PNP transistor
AF, 15V, 500mA, 200mW, B=130..220, 130MHz
1RR
2SB1585-R
Panasonic
TMini-3
PNP transistor
Lo-sat, 15V, 500mA, 130MHz, B=120..240
1RR
2SB970-R
Panasonic
SC-59
PNP transistor
AF, 15V, 500mA, 200mW, B=130..220, 130MHz
1RR
XC6102E523MR
Torex Semiconductor
SOT-25
Voltage detector IC
2.3V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RS
2SB0970-S
Panasonic
SC-59
PNP transistor
AF, 15V, 500mA, 200mW, B=180..350, 130MHz
1RS
2SB1585-S
Panasonic
TMini-3
PNP transistor
Lo-sat, 15V, 500mA, 130MHz, B=170..340
1RS
2SB970-S
Panasonic
SC-59
PNP transistor
AF, 15V, 500mA, 200mW, B=180..350, 130MHz
1RS
XC6102E524MR
Torex Semiconductor
SOT-25
Voltage detector IC
2.4V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RT
XC6102E525MR
Torex Semiconductor
SOT-25
Voltage detector IC
2.5V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RU
XC6102E526MR
Torex Semiconductor
SOT-25
Voltage detector IC
2.6V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RV
XC6102E527MR
Torex Semiconductor
SOT-25
Voltage detector IC
2.7V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RX
XC6102E528MR
Torex Semiconductor
SOT-25
Voltage detector IC
2.8V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RY
XC6102E529MR
Torex Semiconductor
SOT-25
Voltage detector IC
2.9V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms
1RZ
XC6102E530MR
Torex Semiconductor
SOT-25
Voltage detector IC
3.0V±2%, Hst, -MR, -Reset ODO, Wt=400ms, Rdt=200ms