VT2002PG VT20030A VT200-32.768KHZ VT2005AH VT2008ECH VT2009 VT-200-F VT-200F 32.768KHZ 12.5PF 20PPM VT-200F 32.768KHZ 12.5PF 5PPM VT-200-F 32.768kHz 20PPM 12.5pF