Series * Pin Header – What the Record Shows
The 346910203: For a pin header, those parameters are defined by the series and the position count – check the series datasheet to confirm the footprint and current derating before committing the BOM line.

Molex 346910203, Series *, Box package, Pin Headers, Sockets & Housings / Pin Headers
| Parameter | Value |
|---|---|
| Series | * |
| Package | Box |
The 346910203: For a pin header, those parameters are defined by the series and the position count – check the series datasheet to confirm the footprint and current derating before committing the BOM line.
The peer MPN 34691-0203 carries the same Series * and Box package with an Active lifecycle status. It is the closest documented alternative; confirm the pin count and footprint match your layout before substituting.