Fox Electronics, a leading manufacturer and supplier of frequency control solution, has recently increased its range of watch crystals with a new miniature tuning fork. Its new tuning fork crystal is smaller in size and can fit wide range of applications. The new FX122 is approximately 33% smaller than previous models, measuring just 2.1 mm x 1.3 mm with a very low profile of 0.6 mm. The smaller size of this tuning fork crystal makes it ideal for portable and handheld devices where the space is critical.

With a frequency of 32.768 kHz, the new surface mount device (SMD) is optimized for a standard load capacitance of 12.5 pF, with an optional load capacitance of 9pF. It has the frequency tolerance of ±20 PPM at 25°C (77°F) and frequency stability of -0.04 ppm / (change in C°)2 over the standard operating temperature of -40°C to +85°(-40°F to 185°F).

The turnover temperature range of new FX122 crystal is +20°C to +30°C (68°F to 86°F) and storage temperature is -55°C to +125°C (-67°F to 257°F). The maximum equivalent series resistance of this new series is 90 k ohm and insulation resistance is 500 mega ohm at 100 VDC. Its other features include termination finish of gold over nickel and aging of ±3 PPM per year. Moreover, the new watch crystal is RoHS-complaint and is available in a 3,000-unit tape and reel for automatic assembly systems.

Fox Electronics oscillators ensure exceptional quality and unique traceability of each individual part. We believe in introducing new at every level to keep pace with increasing market demands. Our wide range of standard and custom frequency control solution includes crystals, oscillators, VCXOs, TCXOs, OCXOx and crystal filters.


http://www.foxonline.com/watch_crystals.htm