402F400XXCAT

Crystals Overview

The CTS-Frequency Controls 402F400XXCAT is a surface-mount MHz crystal operating at a nominal frequency of 40 MHz. It features a load capacitance of 10 pF and an equivalent series resistance (ESR) of 60 Ohms. The component exhibits a frequency stability of ±15 ppm and a frequency tolerance of ±10 ppm. Designed for fundamental mode operation, it utilizes a 4-SMD, No Lead package with dimensions of 1.60mm x 1.20mm and a maximum height of 0.45mm. The device supports a commercial operating temperature range of -20°C to +70°C.

Crystals Feature Summary

• Fundamental mode quartz crystal resonator
• Surface mount 4-SMD no lead package
• RoHS3 compliant construction

Crystals Applications

• Microcontroller clock sources
• Communication module timing
• Embedded system oscillators

Crystals Procurement Notes

Verify the specific suffix against official CTS documentation to confirm exact electrical parameters, as variations exist within the 402F series. Confirm RoHS3 compliance status directly from the manufacturer datasheet prior to integration. Ensure the selected variant matches the required load capacitance and stability specifications for the target circuit design.

Crystals Selection Notes

Select this component when a 40 MHz fundamental mode crystal is required in a compact 1.6x1.2mm SMD footprint. Consider the ±15 ppm stability and 60 Ohm ESR limits relative to the oscillator circuit requirements. Verify that the -20°C to +70°C temperature range aligns with the operational environment constraints of the final application.

Crystals Part Context

This part belongs to the CTS 402 Series of high-stability crystals designed for general-purpose electronic applications. The series offers various frequency options and package sizes, providing flexibility for space-constrained designs. The 402F variant specifically denotes the 4-SMD no lead form factor suitable for automated surface mount assembly processes.

Crystals Replacement Considerations

Public confirmed substitute part numbers include 402F400XXCJR and 402F400XXCLR. Verify compatibility regarding load capacitance and physical dimensions before substitution.