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 '8O'

Marking
Name
Manufacturer/Case
Function
8O
UN221F
Panasonic
SC-59
NPN transistor
Sw, 50V, 100mA, 200mW, 150MHz, R1/R2=4k7/10k
8O
UN521F
Panasonic
SOT-23
NPN transistor
Sw, 50V, 100mA, 150mW, 150MHz, R1/R2=4k7/10k
8O
UN921FJ
Panasonic
SS-MiniF
NPN transistor
Sw, 50V, 100mA, 125mW, 150MHz, R1/R2=4k7/10k
8O
UNR221F
Panasonic
SC-59
NPN transistor
Sw, 50V, 100mA, 200mW, 150MHz, R1/R2=4k7/10k
8O
UNR521F
Panasonic
SOT-323
NPN transistor
Sw, 50V, 100mA, 150mW, 150MHz, R1/R2=4k7/10k
8O
UNR921FJ
Panasonic
SS-MiniF
NPN transistor
Sw, 50V, 100mA, 125mW, 150MHz, R1/R2=4k7/10k