In hermetically-sealed ceramic packages, the TU0A series quartz crystals measure 1.6 mm x 1.25 mm with a seated height of 0.3 mm. They cover a range of frequencies from 30 to 60 MHz, AT Cut. Other features include frequency tolerances as tight as ±10 ppm, a stability of ±5 ppm over temperature, and an operating temperature range from -40°C to +85°C. Pricing is $1.35 each/10,000. TELLURIAN TECHNOLOGIES INC., Rolling Meadows, IL. (847) 567-9794.