402F20411CLT

Crystals Overview

The CTS-Frequency Controls 402F20411CLT is a fundamental mode quartz crystal resonator designed for surface-mount applications. It operates at a nominal frequency of 20.48 MHz with a frequency tolerance and stability of ±10 ppm. The component features a load capacitance of 12 pF and an equivalent series resistance (ESR) of 100 Ohms. It utilizes a 4-SMD, No Lead package with dimensions of 2.00 mm x 1.60 mm x 0.55 mm maximum height. The device supports operation within a temperature range of -20°C to +70°C and complies with RoHS3 standards.

Crystals Feature Summary

• Fundamental mode quartz crystal resonator for precise timing applications
• Surface-mount design in a compact 4-SMD No Lead package
• Stable frequency performance with ±10 ppm tolerance and stability
• Compliant with RoHS3 environmental regulations

Crystals Applications

• Digital clock signal generation in microcontroller systems
• Communication interface timing for UART, SPI, and I2C buses
• Real-time clock circuits requiring stable timekeeping references
• Embedded system oscillator circuits

Crystals Procurement Notes

Verify the specific suffix 'CLT' against the manufacturer's current datasheet to confirm packaging and availability status, as supply conditions may vary. Ensure the target circuit design accommodates the 12 pF load capacitance and 100 Ohm ESR specifications. Cross-reference the 4-SMD footprint dimensions with the PCB layout guidelines provided in the official documentation to guarantee proper solder joint integrity and mechanical reliability during assembly.

Crystals Selection Notes

Select this component when a 20.48 MHz reference is required for digital logic or communication interfaces. The ±10 ppm stability suits most general-purpose embedded applications. Consider the 12 pF load capacitance requirement to ensure accurate frequency matching with the host oscillator circuit. The 4-SMD form factor is suitable for space-constrained designs, while the -20°C to +70°C range covers standard commercial operating environments.

Crystals Part Context

This part belongs to the CTS 402 Series of surface-mount crystals. The series offers various frequencies and package sizes optimized for modern electronics manufacturing. The 402F20411CLT specifically addresses the common need for 20.48 MHz timing in consumer and industrial devices. It represents a standard solution for replacing through-hole components with smaller, automated assembly-friendly surface-mount alternatives.

Crystals Replacement Considerations

Publicly confirmed substitute part numbers include 402F20411CAR and 402F20411CKR from CTS-Frequency Controls. These variants share similar electrical characteristics but may differ in packaging or lead-free compliance details. Verify pin compatibility and thermal performance before substitution.