Looking at Onsemi’s NC(S,V)20081,82,84, one might notice that the data sheet refers to two different part numbers for SOT23−5/TSOP−5.
What is the difference between NCS20081SN2T1G and NCS20081SN3T1G?
The NCS20081SN2T1G and NCS20081SN3T1G each use a different pinout. The pinouts are shown here:
Applicable Part numbers
488-NCV20081SN3T1GTR-ND,488-NCV20081SN3T1GCT-ND,488-NCV20081SN3T1GDKR-ND
488-NCS20081SN2T1GTR-ND,488-NCS20081SN2T1GCT-ND,488-NCS20081SN2T1GDKR-ND,2156-NCS20081SN2T1G-OS-ND
488-NCS20081SN3T1GTR-ND,488-NCS20081SN3T1GCT-ND,488-NCS20081SN3T1GDKR-ND
488-NCV20081SN2T1GTR-ND,488-NCV20081SN2T1GCT-ND,488-NCV20081SN2T1GDKR-ND,2156-NCV20081SN2T1G-488-ND
NCV20081SN3T1G
NCS20081SN2T1G
NCS20081SN3T1G
NCV20081SN2T1G