402F27022IJR

Crystals Overview

The CTS-Frequency Controls 402F27022IJR is a surface-mount MHz crystal designed for base fundamental mode operation. It operates at a nominal frequency of 27 MHz with a frequency stability and tolerance of ±20ppm. The component features a load capacitance of 9pF and an equivalent series resistance (ESR) of 100 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 0.55mm. The device supports an industrial operating temperature range of -40°C to +85°C and complies with RoHS3 standards.

Crystals Feature Summary

• Provides stable timing signals at 27 MHz with high frequency precision.
• Utilizes a compact surface-mount footprint for efficient PCB layout.
• Operates reliably across a wide industrial temperature spectrum.

Crystals Applications

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

Crystals Procurement Notes

Verify the specific load capacitance requirement of the target oscillator circuit against the component's 9pF specification to ensure accurate frequency performance. Confirm that the application environment remains within the specified -40°C to +85°C operational temperature range. Ensure the design accommodates the 4-SMD No Lead package dimensions and soldering profile requirements for reliable surface-mount assembly.

Crystals Selection Notes

Select this component when a 27 MHz base fundamental crystal is required with ±20ppm stability. Consider the 9pF load capacitance compatibility with the host circuit's parasitic capacitance. Evaluate the 100 Ohm ESR against the oscillator driver strength requirements. Choose this part for applications needing a small form factor suitable for dense surface-mount layouts.

Crystals Part Context

This component belongs to the 402 Series from CTS-Frequency Controls, which covers a frequency range of 16MHz to 60MHz. The series is characterized by its use in general-purpose timing applications requiring moderate precision. The 402F27022IJR specifically addresses the common 27 MHz frequency point used in various digital electronics and communication protocols.

Crystals Replacement Considerations

Direct substitutes include other 27 MHz crystals with identical 9pF load capacitance and ±20ppm stability. Verify package compatibility for any cross-brand replacements to ensure mechanical fit. Check ESR values to maintain oscillator startup reliability.