Citizen Finedevice

<p>This is a 32.768 kHz tuning fork crystal from Citizen Finedevice, part of the CFS-206 series. It operates in fundamental mode with a load capacitance of 6 pF. The frequency tolerance is ±20 ppm at 25°C, and the equivalent series resistance is 35 kΩ maximum.</p><p>&nbsp;</p><p>The crystal is designed for low-power applications such as real-time clocks, watches, and consumer electronics. It has a drive level of 1 μW maximum and an aging rate of ±3 ppm in the first year. The temperature coefficient is -0.034 ppm/°C², with a turnover temperature of 25°C.</p><p>&nbsp;</p><p>The package is a cylindrical can with radial leads, through hole mounting. Dimensions are 1.9 mm diameter and 6.2 mm height. Operating temperature range is -20°C to 70°C, storage -40°C to 85°C. RoHS compliant.</p>

<p>The CSA309-12.000MABJ is a MHz crystal manufactured by Citizen Finedevice Co Ltd. It operates at a fundamental frequency of 12 MHz with a frequency tolerance of ±30 ppm and a frequency stability of ±50 ppm. The equivalent series resistance (ESR) is limited to 50 Ω maximum, and the load capacitance is specified as 18 pF.</p><p>&nbsp;</p><p>The crystal is designed for through-hole mounting and is packaged in a cylindrical can with radial leads. The package dimensions are 3.00 mm diameter by 8.80 mm length, with a height of 9.00 mm. The operating temperature range is -10°C to 60°C.</p><p>&nbsp;</p><p>This component is suitable for use in general-purpose oscillator circuits and timing applications where a precise 12 MHz reference is required. Its fundamental mode operation and typical ESR make it compatible with common crystal oscillator designs.</p>

<p>The CM309S30.000MABJTR is a 30 MHz fundamental mode crystal from Citizen Finedevice Co Ltd, designed for surface-mount applications. It features a load capacitance of 18pF, equivalent series resistance (ESR) of 50Ω, frequency tolerance of ±30ppm, and frequency stability of ±50ppm over the operating temperature range of -10°C to 60°C.</p><p>&nbsp;</p><p>This crystal is housed in a 4-SOJ package with a 9.40mm pitch, measuring 12.40mm x 4.40mm x 3.70mm. The surface-mount design enables automated assembly and is suitable for compact electronic devices.</p><p>&nbsp;</p><p>Typical applications include clock generation in microcontrollers, timing circuits in consumer electronics, and reference oscillators in communication equipment. The fundamental operating mode ensures reliable performance at the specified frequency without overtone complications.</p>