405I35B18M43200

Crystals Overview

The CTS-Frequency Controls part number 405I35B18M43200 is a fundamental mode quartz crystal resonator designed for surface mount applications. It operates at a nominal frequency of 18.432 MHz with a frequency tolerance of ±30 ppm and a frequency stability of ±50 ppm. The component features a load capacitance of 13 pF and an equivalent series resistance (ESR) of 40 Ohms. It is housed in a compact 4-SMD, No Lead package with dimensions of 5.00 mm x 3.20 mm and a maximum seated height of 0.039 inches (1.00 mm). The device supports a wide operating temperature range from -40°C to +85°C and complies with RoHS3 standards.

Crystals Feature Summary

• Fundamental mode operation ensures precise timing performance within the specified frequency tolerance.
• Compact 4-SMD surface mount footprint facilitates automated assembly and space-constrained designs.
• Wide industrial temperature rating allows reliable functionality across extreme environmental conditions.

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• Industrial control systems

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct frequency and tolerance specifications. Confirm that the package dimensions and lead configuration match the target PCB layout requirements. Check for any recent product change notices or lifecycle status updates directly from CTS-Frequency Controls documentation before finalizing procurement plans.

Crystals Selection Notes

Select this component when a fundamental mode crystal with 13 pF load capacitance is required for 18.432 MHz applications. Ensure the circuit design accounts for the 40 Ohm ESR value. Verify that the operating environment falls within the -40°C to +85°C range. Consider the 4-SMD package size constraints during PCB layout planning to ensure proper solder joint formation and mechanical stability.

Crystals Part Context

This part belongs to the CTS 405 series of surface mount crystals, which are engineered for general-purpose timing applications. The series offers various frequency options within a standardized small outline package format. These components are widely utilized in consumer electronics, computing peripherals, and telecommunications equipment where stable frequency generation is critical for system synchronization.

Crystals Replacement Considerations

Public confirmed substitute part numbers include AM-30.000MAGE-T from TXC Corporation and FA-238 30.0000MD50X-K4 from EPSON. Note that these substitutes may differ in frequency or package dimensions; verify technical compatibility before replacement.