Part Number PEL 18P CR 78 U20 0MHZ having (CAGE Code 23759) and FSC 5955 Oscillators Piezoelectric Crystals in stock with ready to ship. Get an instant quote for PEL 18P CR 78 U20 0MHZ Crystal Unit Quartz by Perrott Engineering Labs Inc. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.