Onsemi - The difference between NCS20081SN2T1G and NCS20081SN3T1G

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:

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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