NXP TJA1021 LIN Transceiver part numbering - "M" suffix

When looking at TJA1021 LIN 2.1/SAE J2602 transceiver from NXP, you may see the part number with a “M” suffix as TJA1021T/20/CM,118? What is the difference between TJA1021T/20/C,118 and TJA1021T/20/CM,118?

The M calls out conversion from green to dark green. It is a fabrication site callout only. It does not affect any product specification.

Applicable Part Numbers

TJA1021T/10/C,112
TJA1021T/10/C,118
TJA1021T/10/CM,118
TJA1021T/20/C,112
TJA1021T/20/C,118
TJA1021T/20/CM,118
TJA1021TK/10/C,118
TJA1021TK/20/C,118

568-11889-1-ND
568-11889-2-ND
568-11889-6-ND
568-12118-5-ND
568-12624-1-ND
568-12624-2-ND
568-12624-6-ND
568-4643-1-ND
568-4643-2-ND
568-4643-6-ND
568-8674-1-ND
568-8674-2-ND
568-8674-6-ND
568-8675-1-ND
568-8675-2-ND
568-8675-6-ND
568-8676-1-ND
568-8676-2-ND
568-8676-6-ND
TJA1021T/10/C,112-ND