405C35B20M00000

Crystals Overview

The CTS-Frequency Controls 405C35B20M00000 is a MHz crystal designed for surface mount applications. It operates at a nominal frequency of 20 MHz with a frequency tolerance of ±30ppm and stability of ±50ppm. The component features a load capacitance of 13pF and an equivalent series resistance (ESR) of 50 Ohms. It utilizes fundamental mode operation within a temperature range of -20°C to +70°C. The package is a 4-SMD, No Lead type with dimensions of 5.00mm x 3.20mm x 0.85mm maximum height.

Crystals Feature Summary

• Surface mount design in a compact 4-SMD no-lead package
• Fundamental mode operation for stable frequency generation
• Compliant with RoHS3 standards

Crystals Applications

• General electronic circuits requiring precise timing
• Microcontroller clock sources
• Communication interface synchronization

Crystals Procurement Notes

Verify the specific suffix 'B' indicates the 13pF load capacitance variant, as other suffixes like 'E' or 'D' denote different capacitance values such as 20pF or 18pF. Confirm that the ±30ppm tolerance meets system requirements, noting that some variants offer tighter tolerances. Ensure the operating temperature range of -20°C to +70°C aligns with the intended environmental conditions before procurement.

Crystals Selection Notes

Select this part when a 20 MHz surface mount crystal with 13pF load capacitance is required. Compare against the 405C35E20M00000 if a 20pF load capacitance is needed instead. Consider the ATS40A series only if through-hole mounting and higher frequencies are acceptable. Verify that the fundamental mode operation suits the oscillator circuit design constraints.

Crystals Part Context

This component belongs to the CTS 405 Series, which offers various surface mount crystals. The 405C35B20M00000 is distinct from the 405C35E20M00000 due to its specific 13pF load capacitance configuration. It shares the same physical footprint and general specifications with other members of the 405 family but differs in electrical parameters defined by the model suffix.

Crystals Replacement Considerations

The 405C35E20M00000 is listed as a similar alternative, though it specifies a 20pF load capacitance rather than 13pF. Direct substitutes within the same manufacturer line may require verification of load capacitance compatibility with the host oscillator circuit.