Meaning of "-C" Suffix in ATGBICS Part Number FTLX8571D3BCL-C

If you’re wondering what the suffix “-C” means in the ATGBICS part number FTLX8571D3BCL-C, kindly note the following:

The “-C” indicates that the product is a compatible version of the Original Equipment Manufacturer (OEM) part number.

Source: FTLX8571D3BCL-C2 Finisar Coherent® compatible SFP+ 10GBase – ATGBICS

Applicable Part Numbers
DigiKey Part Number Manufacturer Part Number
3441-FTLX8571D3BCL-C2-C-ND FTLX8571D3BCL-C2-C
3441-FTLX8571D3BCL-C-ND FTLX8571D3BCL-C
4932-FTLX8571D3BCL-C-ND FTLX8571D3BCL-C