One common question on the CERALOCK CSTCR resonators from Murata that is not answered in the manufacturer’s data sheet is what is the “Z” calling out in part numbers like CSTCR6M00G53Z-R0.
This “Z” is actually calling out that the part is industrial grade.
Here is the remaining portion of the manufacturer part numbering Guide.
Applicable Part Numbers
CSTCR6M00G53-R0 CSTCR4M00G53-R0 CSTCR4M00G53Z-R0 CSTCR4M00G15C99-R0 CSTCR6M00G55-R0 CSTCR5M00G53-R0 CSTCR4M00G55-R0 CSTCR6M00G53Z-R0 CSTCR7M37G53-R0 CSTCR4M00G55B-R0 CSTCR4M19G53-R0 CSTCR4M00G55Z-R0 CSTCR4M91G53-R0 CSTCR5M00G55-R0 CSTCR4M19G53Z-R0 CSTCR5M00G53Z-R0 CSTCR7M37G55-R0 CSTCR6M00G55B-R0 CSTCR4M00G15L99-R0 CSTCR4M91G55-R0 CSTCR4M91G53Z-R0 CSTCR7M20G53-R0 CSTCR7M68G53-R0 CSTCR4M91G55B-R0 CSTCR4M00GH5L99-R0