402F20422IAR

Crystals Overview

The 402F20422IAR is a fundamental mode quartz crystal resonator manufactured by CTS-Frequency Controls. It operates at a nominal frequency of 20.48 MHz with a frequency tolerance and stability of ±20 ppm. The component features a load capacitance of 10 pF and an equivalent series resistance (ESR) of 100 Ohms. Designed for surface mount applications, it utilizes a 4-SMD, no-lead package with dimensions of 2.00 mm in length, 1.60 mm in width, and a maximum seated height of 0.55 mm. The device supports operation within a temperature range of -40°C to +85°C.

Crystals Feature Summary

• Fundamental resonance mode operation
• Surface mount compatible construction
• Wide industrial temperature range support

Crystals Applications

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

Crystals Procurement Notes

Verify the specific suffix 'IAR' against the manufacturer's current datasheet to confirm package and tape specifications. Ensure design-in compatibility with the 10 pF load capacitance requirement. Confirm RoHS3 compliance status for the specific production batch prior to final procurement authorization.

Crystals Selection Notes

Select this component when a 20.48 MHz fundamental frequency is required with ±20 ppm stability. The 100 Ohm ESR must match the oscillator circuit design constraints. Verify that the 2.0 x 1.6 mm footprint fits the PCB layout requirements and that the operating temperature range meets the application environment.

Crystals Part Context

This part belongs to the CTS 402 Series, which comprises small surface-mount crystals. The series offers various frequencies and packages optimized for space-constrained electronic designs. The 402F20422IAR specifically addresses the need for precise timing in compact digital systems using standard SMD assembly processes.

Crystals Replacement Considerations

Direct substitutes include 402F20422ILR and 402F20422ILT from CTS-Frequency Controls. These alternatives share identical electrical parameters but may differ in reel packaging or specific manufacturing lot characteristics. Verify pinout and mechanical dimensions before substitution.