405C35E50M00000

Crystals Overview

The CTS-Frequency Controls 405C35E50M00000 is a surface-mount quartz crystal resonator operating at a fundamental frequency of 50 MHz. It features a load capacitance of 20 pF and a frequency tolerance of ±30 ppm, with a stability of ±50 ppm. The component exhibits an equivalent series resistance (ESR) of 50 Ohms and operates within a temperature range of -20°C to +70°C. Housed in a compact 4-SMD, no-lead package measuring 5.00 mm x 3.20 mm with a maximum height of 0.85 mm, it supports RoHS3 compliance and MSL level 1 moisture sensitivity.

Crystals Feature Summary

• Fundamental mode operation for precise frequency generation
• Compact surface-mount design suitable for automated assembly
• Compliant with RoHS3 environmental standards

Crystals Applications

• Clock signal generation for microprocessors and microcontrollers
• Timing reference for communication interfaces such as UART and SPI
• Frequency synthesis in wireless transceivers
• Digital logic circuit synchronization

Crystals Procurement Notes

Verify the specific suffix 'E' against the official CTS datasheet to confirm the exact load capacitance and tolerance specifications required for your circuit design. Ensure that the PCB footprint matches the 4-SMD no-lead dimensions of 5.00 mm by 3.20 mm. Confirm that the operating environment remains within the specified -20°C to +70°C range to maintain frequency accuracy. Cross-reference the ESR value of 50 Ohms with your oscillator circuit requirements to ensure proper startup conditions.

Crystals Selection Notes

Select this component when a 50 MHz fundamental frequency is required with a 20 pF load capacitance. Consider the 50 Ohm ESR and ±30 ppm tolerance for applications demanding moderate precision. The 4-SMD package size offers a balance between thermal performance and board space efficiency compared to larger packages. Evaluate the -20°C to +70°C temperature range against your system's operational environment to ensure reliability under varying thermal conditions.

Crystals Part Context

This part belongs to the CTS 405 series of surface-mount crystals, designed for general-purpose timing applications. The series provides various frequencies and package sizes to accommodate different design constraints. The 405C35E variant specifically denotes the 50 MHz frequency with standard commercial grade temperature characteristics. It serves as a passive frequency-determining element in electronic circuits requiring stable clock signals.

Crystals Replacement Considerations

Direct substitutes include 405I35E50M00000 from CTS-Frequency Controls. Alternative options may include other 50 MHz SMD crystals with matching 20 pF load capacitance and similar physical dimensions, provided electrical parameters like ESR and tolerance are compatible.