402F40011CKR

Crystals Overview

The CTS-Frequency Controls 402F40011CKR is a surface-mount MHz crystal operating at a nominal frequency of 40 MHz. It features a frequency stability and tolerance of ±10ppm with a load capacitance of 8pF. The component utilizes a fundamental working mode and has an equivalent series resistance (ESR) of 60 Ohms. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm and a maximum height of 0.022 inches (0.55mm). The device supports a standard operating temperature range from -20°C to +70°C.

Crystals Feature Summary

• Provides precise timing signals with ±10ppm frequency stability for accurate clock generation.
• Designed for surface-mount assembly using a compact 4-SMD no-lead footprint.
• Operates in fundamental mode with low equivalent series resistance for efficient circuit integration.

Crystals Applications

• Precision timing applications requiring stable clock sources
• Embedded systems utilizing microcontrollers or processors
• Communication equipment needing reliable frequency references

Crystals Procurement Notes

Verify the specific suffix 'CKR' against official CTS documentation to confirm tape and reel packaging details. Ensure the selected variant matches the required load capacitance and ESR specifications for your circuit design. Cross-reference the datasheet for any updates on RoHS compliance or environmental classifications before finalizing procurement.

Crystals Selection Notes

Select this component when a 40 MHz fundamental crystal with ±10ppm stability is required in a small SMD form factor. Consider the 60 Ohm ESR and 8pF load capacitance to ensure proper oscillator circuit tuning. Verify that the -20°C to +70°C temperature range meets the operational environment requirements of the target application.

Crystals Part Context

This part belongs to the CTS 402 Series of surface-mount crystals. The series offers various frequencies and packages optimized for space-constrained designs. The 402F40011CKR specifically addresses the need for high-stability timing in compact electronic modules, serving as a key passive component for clock generation in modern digital circuits.

Crystals Replacement Considerations

Public confirmed substitute part numbers include 402F40011CAR and 402F40011CJT. These alternatives share similar electrical characteristics but may differ in packaging or availability status. Verify pin compatibility and parameter alignment before substitution.