403I35L40M00000

Crystals Overview

The CTS-Frequency Controls part number 403I35L40M00000 is a fundamental mode crystal resonator designed for surface mount applications. It operates at a nominal frequency of 40 MHz with a frequency tolerance of ±30 ppm and a frequency stability of ±50 ppm over the operating temperature range. The device features a load capacitance of 12 pF and an equivalent series resistance (ESR) of 60 Ohms. It utilizes a 4-SMD, No Lead package with dimensions of 3.20 mm in length, 2.50 mm in width, and a maximum height of 0.75 mm. The component supports operation within a temperature range of -40°C to +85°C and is supplied in tape and reel packaging.

Crystals Feature Summary

• Fundamental mode crystal resonator providing precise timing signals
• Surface mount construction suitable for automated assembly processes
• Integrated enable/disable functionality for power management control

Crystals Applications

• Microcontroller clock sources
• Communication equipment timing circuits
• Industrial control system oscillators

Crystals Procurement Notes

Verify that the specific ordering suffix matches the required frequency tolerance and load capacitance specifications. Confirm that the package dimensions align with the PCB footprint requirements. Ensure the operating temperature range meets the environmental conditions of the target application. Cross-reference the manufacturer datasheet for any recent product change notices or material updates.

Crystals Selection Notes

Select this component when a fundamental mode crystal with a 12 pF load capacitance is required. Consider the 60 Ohm ESR value for oscillator circuit design compatibility. Evaluate the ±30 ppm tolerance against the system's frequency accuracy needs. Verify that the 4-SMD package size fits within the available board space constraints.

Crystals Part Context

This component belongs to the 403 series of surface mount crystals from CTS-Frequency Controls. The series offers various frequencies and package options for general-purpose timing applications. The 403I35L variant specifically denotes the 40 MHz frequency with standard tolerance characteristics. It serves as a passive frequency-determining element in electronic circuits.

Crystals Replacement Considerations

Public confirmed substitute part numbers include 403I35D30M00000 and 425F39E030M0000. These alternatives may offer similar electrical characteristics but require verification of package dimensions and loading parameters before implementation.