MC-306 31.9990KA-G: ROHS MC-306 31.9990KA-G3: ROHS MC-306 31.9990KA-G3:ROHS MC-306 32.0000K-G: PURE SN MC-306 32.0000K-G3:PURE SN MC-306 32.768 MC-306 32.768000 KHZ IC MC-306 32.768000K 30PPM-A3:ROHS MC306 32.768000KHZ MC-306 32.768000KHZ