403I33L40M00000

Crystals Overview

The CTS-Frequency Controls part number 403I33L40M00000 is a fundamental mode quartz crystal resonator designed for surface-mount applications. It operates at a nominal frequency of 40 MHz with a load capacitance of 10 pF and an equivalent series resistance (ESR) of 60 Ohms. The component provides a frequency tolerance of ±10 ppm and a stability of ±20 ppm over the specified operating temperature range of -40°C to +85°C. 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.

Crystals Feature Summary

• Fundamental mode quartz crystal operation
• Surface-mount 4-SMD no-lead package design
• Industrial temperature range capability (-40°C to +85°C)
• Low equivalent series resistance for efficient drive

Crystals Applications

• Mixed-signal system clock generation
• ADC and DAC timing references
• PLL circuit oscillators
• RF front-end synchronization

Crystals Procurement Notes

Verify the specific suffix codes against the manufacturer's current datasheet to confirm exact electrical tolerances and packaging specifications. Ensure that the required load capacitance matches the target circuit design parameters before finalizing procurement orders to prevent frequency deviation issues.

Crystals Selection Notes

Select this component when a fundamental mode crystal is required for high-frequency stability in industrial environments. The 40 MHz output suits digital logic and communication interfaces requiring precise timing. Verify that the driving circuit can support the 60 Ohm ESR without excessive power dissipation or frequency pulling.

Crystals Part Context

This component belongs to the 403 series of surface-mount crystals from CTS-Frequency Controls. The series offers various frequency options and package sizes tailored for compact electronic designs. The 403I33L40M00000 specifically addresses the need for stable 40 MHz references in space-constrained PCB layouts.

Crystals Replacement Considerations

Direct substitutes include other 40 MHz fundamental mode crystals with identical 10 pF load capacitance and 4-SMD footprint. Cross-reference ESR values and temperature stability ratings to ensure functional equivalence in the target application.