406I35D20M00000

Crystals Overview

The CTS-Frequency Controls 406I35D20M00000 is a surface-mount quartz crystal resonator operating at a fundamental frequency of 20 MHz. It features a load capacitance of 18 pF and offers a frequency tolerance of ±30 ppm with stability of ±50 ppm. The component utilizes a 4-SMD, No Lead package measuring 6.00 mm in length, 3.50 mm in width, and 1.20 mm in maximum height. Designed for base harmonic operation, it exhibits an equivalent series resistance (ESR) of 40 Ohms and supports an operating temperature range from -40°C to +85°C.

Crystals Feature Summary

• Surface-mount design in a compact 4-SMD no-lead package
• Fundamental mode operation at 20 MHz
• Wide industrial temperature range capability

Crystals Applications

• Wireless infrastructure timing circuits
• Wireline core networking synchronization
• General-purpose microcontroller clock sources

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to ensure correct frequency tolerance and packaging configuration. Confirm that the target application circuit matches the specified 18 pF load capacitance requirements. Check RoHS compliance status and moisture sensitivity level prior to assembly planning. Ensure the selected variant aligns with the required operating temperature range for the intended environment.

Crystals Selection Notes

Select this component when a 20 MHz fundamental frequency crystal is required in a small surface-mount footprint. The 40 Ohm ESR and 18 pF load capacitance must match the oscillator circuit design specifications. Consider the ±30 ppm tolerance for applications requiring moderate frequency accuracy. Verify compatibility with the PCB land pattern dimensions of 6.00 mm by 3.50 mm during layout.

Crystals Part Context

This part belongs to the CTS 406 Series of high-stability quartz crystals designed for demanding electronic applications. The series provides various frequency options within standardized SMD packages to support diverse timing needs. The 406I35D20M00000 specifically addresses the need for precise 20 MHz references in space-constrained designs requiring robust performance across wide temperature variations.

Crystals Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.