MC-406 32.768000KHZ 9.0 + 20(F) LF MC-406 32.7680K-A: PURE SN MC-406 32.7680K-A: ROHS MC-406 32.7680K-A0 MC-406 32.7680K-A0: PURE SN MC-406 32.7680K-A0: ROHS MC-406 32.7680K-A0:PURE SN MC-406 32.7680K-A0:ROHS MC-406 32.7680K-A3 MC-406 32.7680K-A3: ROHS