402F27122IJR

Crystals Overview

The CTS-Frequency Controls 402F27122IJR is a fundamental parallel quartz crystal operating at a nominal frequency of 27.12 MHz. It features a load capacitance of 9 pF and a frequency tolerance of ±20 ppm. The component exhibits an equivalent series resistance (ESR) of 100 Ohms and utilizes a 4-SMD, no-lead package with dimensions of 2.00 mm x 1.60 mm x 0.55 mm. Designed for surface mount installation, it supports a standard operating temperature range from -40°C to +85°C.

Crystals Feature Summary

• Fundamental parallel quartz crystal design
• Sub-miniature surface mount construction
• Standard frequency stability specifications

Crystals Applications

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

Crystals Procurement Notes

Verify the specific suffix IJR against manufacturer documentation to confirm tape and reel packaging requirements. Ensure compatibility with existing PCB footprint dimensions of 2.00mm x 1.60mm. Confirm that the 9pF load capacitance aligns with the target oscillator circuit design parameters before finalizing procurement.

Crystals Selection Notes

Select this component when a 27.12 MHz fundamental frequency is required in a compact surface mount form factor. The 100 Ohm ESR and 9pF load capacitance must match the host oscillator circuit's resonant requirements. Consider the -40°C to +85°C temperature range for standard industrial or commercial applications.

Crystals Part Context

This part belongs to the CTS 402 Series, which offers sub-miniature ceramic surface mount crystals. The series covers frequencies from 16 MHz to 96 MHz with fundamental mode operation. These components are designed for high-volume SMT assembly processes, providing reliable timing solutions for space-constrained electronic designs.

Crystals Replacement Considerations

Direct substitutes include 402F27112IJR. Parametric equivalents may include variants with different load capacitances such as 402F27122IDR or 402F27122IKR, provided the circuit tolerates the capacitance difference.