402F20412IAR

Crystals Overview

The CTS-Frequency Controls 402F20412IAR is a parallel fundamental quartz crystal with a nominal frequency of 20.48 MHz. It features a surface mount package measuring 2.0mm x 1.6mm x 0.55mm. The component has a load capacitance of 10 pF and an equivalent series resistance (ESR) of 100 Ohms. Frequency tolerance and stability are specified at ±10 ppm. Operating temperature range extends from -20°C to +70°C.

Crystals Feature Summary

• Fundamental crystal design utilizing AT-cut quartz technology
• Hermetic ceramic surface mount package construction
• Standard 2.0mm x 1.6mm seam-weld footprint

Crystals Applications

• Wireless Communications
• USB Interfaces
• FPGA/Microcontrollers

Crystals Procurement Notes

Verify the specific suffix 'IAR' against official CTS documentation to confirm exact frequency tolerance and packaging specifications. Ensure compatibility with target circuit load capacitance requirements before procurement. Cross-reference datasheet revisions for any updates to operating temperature ranges or mechanical dimensions.

Crystals Selection Notes

Select this component when a 20.48 MHz fundamental frequency is required in a compact 2.0mm x 1.6mm SMD form factor. Consider the 100 Ohm ESR and 10 pF load capacitance for oscillator circuit design. Evaluate the -20°C to +70°C operating range against environmental conditions.

Crystals Part Context

This part belongs to the CTS Model 402 series, which offers sub-miniature surface mount crystals. The series supports frequencies from 16 MHz to 96 MHz in hermetic ceramic packages. It is designed for applications requiring high Q factors and stable frequency performance in portable and industrial equipment.

Crystals Replacement Considerations

Direct substitutes include 402F20411CAR, 402F20412IAT, and 402F2041XIAR. Verify that alternative parts match the 20.48 MHz frequency, 10 pF load capacitance, and 100 Ohm ESR specifications.