406I35B20M48000

Crystals Overview

The CTS-Frequency Controls 406I35B20M48000 is a surface-mount crystal operating at a fundamental frequency of 20.48 MHz. It features a load capacitance of 13 pF and an equivalent series resistance (ESR) of 40 Ohms. The component offers a frequency tolerance of ±30 ppm and stability of ±50 ppm. Designed for industrial environments, it functions within a temperature range of -40°C to +85°C. The device utilizes a 4-SMD, No Lead package with dimensions of 6.00mm x 3.50mm x 1.20mm maximum height.

Crystals Feature Summary

• Fundamental mode operation ensures precise timing signals without harmonic interference.
• Industrial-grade thermal resilience supports reliable performance in extreme ambient conditions.
• Surface-mount construction facilitates automated assembly and compact circuit board integration.

Crystals Applications

• Motor control systems requiring stable switching characteristics
• Embedded communication modules needing precise clock synchronization
• High-power industrial control cabinets

Crystals Procurement Notes

Verify the specific suffix 'I' indicates the extended temperature range (-40°C to +85°C) compared to standard variants. Confirm that the 4-SMD footprint matches the PCB land pattern dimensions of 6.00mm by 3.50mm. Ensure the design accounts for the 13pF load capacitance to maintain the specified ±30ppm frequency tolerance during operation.

Crystals Selection Notes

Select this component when a 20.48 MHz fundamental frequency is required for digital signal processing or communication interfaces. The 40 Ohm ESR must be compatible with the oscillator circuit's drive level specifications. Choose this model over lower-temperature variants if the application environment exceeds standard commercial limits, ensuring long-term reliability under thermal stress.

Crystals Part Context

This part belongs to the CTS 406 series of surface-mount crystals. The series provides various frequencies and packages optimized for space-constrained electronic designs. The 406I35B20M48000 specifically addresses the need for industrial-rated timing solutions in high-density applications where thermal stability and mechanical robustness are critical for system uptime.

Crystals Replacement Considerations

The 406C35B20M48000 is documented as a similar substitute from the same manufacturer. Verify that the replacement maintains identical electrical parameters, including the 13pF load capacitance and 40 Ohm ESR, to ensure circuit compatibility without redesigning the oscillator network.