CSTCV19.66MX0H3-TC20 CSTCV19.66MXJ CSTCV19.66MXJ0C1-TC20 CSTCV19.66MXJ0H3-TC20 CSTCV19M2X51J-RO CSTCV19M2X51Q-R0 CSTCV19M6X51J CSTCV19M6X51J-RO CSTCV19M6X53J-R0 CSTCV19M6X53J-RO(19.66mHZ)