402F27122IKR

Crystals Overview

The CTS-Frequency Controls 402F27122IKR is a surface-mount MHz crystal resonator designed for precision timing applications. It operates at a fundamental frequency of 27.12 MHz with a load capacitance of 8 pF. The component exhibits a frequency tolerance of ±20 ppm and a stability of ±20 ppm across an operating temperature range of -40°C to +85°C. It features an equivalent series resistance (ESR) of 200 Ohms and is housed in a compact 4-SMD, No Lead package measuring 2.00mm x 1.60mm.

Crystals Feature Summary

• Fundamental mode operation for stable oscillation
• Compact surface-mount footprint for automated assembly
• Wide industrial temperature rating for environmental resilience

Crystals Applications

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

Crystals Procurement Notes

Verify the specific suffix IKR against official CTS documentation to confirm the 8pF load capacitance and 200 Ohm ESR specifications. Ensure compatibility with the target PCB layout for the 4-SMD no-lead package dimensions. Confirm RoHS3 compliance status if required by project regulations.

Crystals Selection Notes

Select this component when a 27.12 MHz fundamental frequency is required with an 8pF load capacitance. The 200 Ohm ESR value must match the oscillator circuit design constraints. Consider the -40°C to +85°C temperature range suitability for the intended operational environment.

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 electronic designs. The 402F27122IKR specifically addresses the need for reliable timing in digital systems requiring standard microcontroller clock speeds.

Crystals Replacement Considerations

Public confirmed substitutes include 402F27122IJR and 402F27122IAR from CTS-Frequency Controls. Verify that alternative parts match the 8pF load capacitance and physical package dimensions before integration.