403I35A40M00000

Crystals Overview

The CTS-Frequency Controls 403I35A40M00000 is a surface-mount MHz crystal resonator designed for general-purpose timing applications. It operates at a fundamental frequency of 40 MHz with a specified load capacitance of 10 pF and an equivalent series resistance of 50 Ohms. The component provides a frequency tolerance of ±30 ppm and a frequency stability of ±50 ppm across the operating temperature range of -40°C to +85°C. Packaged in a compact 4-SMD, No Lead form factor measuring 3.20mm x 2.50mm, it supports base harmonic operation modes.

Crystals Feature Summary

• Supports base harmonic operation mode for precise frequency generation
• Features a compact 4-SMD surface-mount package for automated assembly
• Includes enable/disable functionality for power management control

Crystals Applications

• General-purpose digital timing circuits
• Microcontroller clock sources
• Communication interface synchronization

Crystals Procurement Notes

Verify the specific load capacitance requirement of 10 pF against the target circuit design to ensure accurate oscillation. Confirm that the operating temperature range of -40°C to +85°C meets the environmental specifications of the end application. Ensure the PCB footprint matches the 4-SMD, No Lead dimensions of 3.20mm by 2.50mm for proper mechanical fit and soldering.

Crystals Selection Notes

Select this component when a 40 MHz fundamental frequency crystal is required with tight tolerance specifications. Consider the 10 pF load capacitance compatibility with the host oscillator circuit. Evaluate the 50 Ohm ESR against the drive level requirements of the system. Verify that the surface-mount package size fits within the available board space constraints.

Crystals Part Context

This part belongs to the 403 Series of crystals from CTS-Frequency Controls. The series offers various frequency options in standard SMD packages. The 403I35A40M00000 specifically addresses the need for reliable 40 MHz timing solutions in consumer and industrial electronics requiring stable frequency references.

Crystals Replacement Considerations

Public confirmed substitute part numbers are not explicitly listed in the provided documentation. Cross-reference with other 40 MHz crystals from CTS or alternative manufacturers ensuring identical 10 pF load capacitance, 50 Ohm ESR, and 4-SMD package dimensions.