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 '8Q'

Marking
Name
Manufacturer/Case
Function
8Q
CMBZ5240B
MEI Semiconductor
SOT-23
Zener diode
10V±5%, Izt=20mA, Zzt=17, 300mW
8Q
FDZS10LT
First Silion
SOT-23
Zener diode
9.50..10.50V, Izt=20mA, Zzt=17, 225mW
8Q
HMBZ5240B
Hi-Sincerity Microelectronics
SOT-23
Zener diode
10V±5%, Izt=20mA, Zzt=17, 225mW
8Q
LMBZ5240BL
Leshan Radio Company
SOT-23
Zener diode
9.5..10.5V, Izt=20mA, 225mW
8Q
MMBZ5240B
ON Semiconductor
SOT-23
Zener diode
10V±5%, Izt=20mA, Zzt=17, 225mW
8Q
R1210N281A
Ricoh
SOT-23-5
DC/DC voltage converter IC
PWM step-up, 2.8V, 35..100kHz
8Q
R3133Q44EC
Ricoh
SOT-143
Voltage detector IC
4.4V±1.5%, +Reset ODO, -MR
8Q
RP103K311D
Ricoh
DFN1010-4
Linear voltage regulator IC
LDO, 3.1V±1%, 150mA, +CE, CL
8Q
SMBZ5240B
Surge Components
SOT-23
Zener diode
10V±5%, Izt=20mA, 500mW
8Q
TMPZ5240
Allegro MicroSystems
SOT-23
Zener diode
9.5..10.5V, Zzt<17, 250mW
8Q
TMPZ5240R
Allegro MicroSystems
SOT-23
Zener diode
9.5..10.5V, Zzt<17, 250mW
8Q
UN221L
Panasonic
SC-59
NPN transistor
Sw, 50V, 100mA, 200mW, 150MHz, R1/R2=4k7/4k7
8Q
UN521L
Panasonic
SOT-23
NPN transistor
Sw, 50V, 100mA, 150mW, 150MHz, R1/R2=4k7/4k7
8Q
UN921LJ
Panasonic
SS-MiniF
NPN transistor
Sw, 50V, 100mA, 125mW, 150MHz, R1/R2=4k4/4k7
8Q
UNR221L
Panasonic
SC-59
NPN transistor
Sw, 50V, 100mA, 200mW, 150MHz, R1/R2=4k7/4k7
8Q
UNR321L
Panasonic
SSSMini3
PNP transistor
Sw, 50V, 100mA, 100mW, 150MHz, R1/R2=4.7k/4.7k
8Q
UNR521L
Panasonic
SOT-323
NPN transistor
Sw, 50V, 100mA, 150mW, 150MHz, R1/R2=4k7/4k7
8Q
UNR921LJ
Panasonic
SS-MiniF
NPN transistor
Sw, 50V, 100mA, 125mW, 150MHz, R1/R2=4k4/4k7
8Q
ZD5240BN3
Cystech Electronics
SOT-23
Zener diode
10V±5%, 20mA, Zzt=17, 300mW
8Q-
MMCZ5240BPT
Chenmko Enterprise
SOT-346
Zener diode
9.500..10.50V, Izt=5mA, Zzt=15, 225mW
8QC
CMSZ5240B
Central Semiconductor
SOT-323
Zener diode
10V±5%, 20mA, Zzt=17, 275mW
8QCT
CMKZ5240B
Central Semiconductor
SOT-363
Zener diode
Triple, 9.50..10.50V, Izt=20mA, Zzt=17, 200mW