402F40022IKR

Crystals Overview

The CTS-Frequency Controls 402F40022IKR is a surface-mount crystal oscillator operating at a fundamental frequency of 40 MHz. It features a load capacitance of 8 pF and an equivalent series resistance (ESR) of 60 Ohms. The component exhibits a frequency stability of ±20 ppm and a tolerance of ±10 ppm. Designed for industrial environments, it functions within a temperature range of -40°C to +85°C. The device utilizes a 4-SMD, no-lead package with dimensions of 2.00mm x 1.60mm and a maximum height of 0.55mm.

Crystals Feature Summary

• Fundamental mode operation for precise frequency generation
• Industrial-grade thermal performance across wide temperature ranges
• Compact surface-mount footprint for automated assembly

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing circuits

Crystals Procurement Notes

Verify the specific suffix IKR against official datasheets to confirm packaging type and lead-free status. Ensure compatibility with existing PCB land patterns for 4-SMD packages. Cross-reference ESR and load capacitance values with circuit design requirements to maintain frequency accuracy.

Crystals Selection Notes

Select this component when a 40 MHz fundamental frequency is required with strict size constraints. The 8 pF load capacitance must match the external circuit design. Consider the ±20 ppm stability for applications requiring moderate precision without active compensation.

Crystals Part Context

This part belongs to the 402 series of SMD crystals from CTS-Frequency Controls. The series offers various frequencies and package sizes optimized for high-volume manufacturing. The 402F40022IKR specifically addresses the need for compact, reliable timing solutions in space-limited electronic designs.

Crystals Replacement Considerations

Public confirmed substitutes include 402F40022IAR and 402F40022IJT. Verify pinout compatibility and electrical parameters before substitution.