403I35B40M00000

Crystals Overview

The CTS-Frequency Controls part number 403I35B40M00000 is a fundamental mode MHz crystal designed for surface mount applications. It operates at a nominal frequency of 40 MHz with a load capacitance of 18 pF and an equivalent series resistance (ESR) of 50 Ohms. The component features a frequency tolerance of ±30 ppm and a stability of ±50 ppm across an operating temperature range of -40°C to +85°C. It utilizes a 4-SMD, no-lead package with dimensions of 5.00mm x 3.20mm and a maximum height of 0.033 inches (0.85mm).

Crystals Feature Summary

• Fundamental resonance mode operation ensures stable frequency generation.
• Surface mount construction facilitates automated assembly processes.
• Wide industrial temperature rating supports diverse environmental conditions.

Crystals Applications

• General purpose timing circuits requiring 40 MHz reference
• Industrial control systems operating in wide temperature ranges
• Embedded microcontroller clock sources

Crystals Procurement Notes

Verify the specific suffix codes against the official CTS datasheet to confirm exact electrical parameters and packaging options. Ensure the selected variant matches the required load capacitance and ESR specifications for the target circuit design. Cross-reference the RoHS compliance status if environmental regulations apply to the final product assembly.

Crystals Selection Notes

Select this component when a fundamental mode crystal is required for 40 MHz applications. Consider the 18 pF load capacitance requirement for oscillator compatibility. Evaluate the 50 Ohm ESR against the oscillator circuit constraints. The 4-SMD package size suits space-constrained PCB layouts compared to larger through-hole alternatives.

Crystals Part Context

This component belongs to the 403 series of crystals from CTS-Frequency Controls. The series offers various frequency options and package sizes. The 403 series is characterized by its reliability in standard commercial and industrial environments. It serves as a foundational timing element for digital logic and communication interfaces.

Crystals Replacement Considerations

Direct substitutes include 403I35D40M00000 and 403C35E40M00000. Verify that alternative part numbers maintain identical frequency, load capacitance, and ESR values before implementation.

Crystals FAQ

What is the fundamental operating mode of this crystal?

The 403I35B40M00000 operates in fundamental mode.

Does this component support surface mount technology?

Yes, it is designed for surface mount installation using a 4-SMD, no-lead package.