402F40012IKR

Crystals Overview

The CTS-Frequency Controls 402F40012IKR is a fundamental mode MHz crystal designed for surface-mount applications. It operates at a nominal frequency of 40 MHz with a load capacitance of 8 pF and an equivalent series resistance (ESR) of 60 Ohms. The component offers a frequency tolerance of ±10 ppm and stability of ±20 ppm. Housed in a compact 4-SMD, no-lead package measuring 2.00mm x 1.60mm with a maximum height of 0.55mm, it supports operation between -40°C and +85°C. The device complies with RoHS3 standards and carries an MSL rating of 1.

Crystals Feature Summary

• Fundamental oscillation mode ensures stable frequency generation
• Compact 4-SMD no-lead package facilitates automated surface-mount assembly
• Wide operating temperature range suitable for diverse environmental conditions

Crystals Applications

• Microcontroller clock sources
• Communication module timing circuits
• Digital signal processing systems

Crystals Procurement Notes

Verify the specific ordering suffix to confirm package type and tape/reel specifications. Ensure compatibility with existing PCB footprint dimensions and soldering profiles. Confirm that the 8 pF load capacitance matches the circuit design requirements. Check for RoHS3 compliance status if required by project regulations. Validate availability through authorized distributors as stock levels fluctuate.

Crystals Selection Notes

Select this component when a 40 MHz fundamental crystal with 8 pF load capacitance is required. Consider the 60 Ohm ESR limit for oscillator circuit design. Evaluate the ±10 ppm tolerance against system timing accuracy needs. Compare physical dimensions against available board space constraints. Assess thermal performance within the specified -40°C to +85°C range.

Crystals Part Context

This part belongs to the CTS 402 series of surface-mount crystals. The series provides various frequencies and package options for general-purpose timing applications. The 402F40012IKR specifically addresses the need for compact, reliable oscillators in modern electronic devices requiring precise clock signals.

Crystals Replacement Considerations

Direct substitutes include parts with identical electrical parameters and package dimensions. Verify cross-compatibility before substitution to ensure oscillator circuit stability. Alternative parts may differ in packaging or manufacturing origin but must meet the same technical specifications.