402F27012IAR

Crystals Overview

The CTS-Frequency Controls part number 402F27012IAR is a fundamental mode quartz crystal resonator designed for surface-mount applications. It operates at a nominal frequency of 27 MHz with a load capacitance of 10 pF and an equivalent series resistance (ESR) of 100 Ohms. The device provides a frequency tolerance of ±10 ppm and stability of ±20 ppm across the industrial temperature range of -40°C to +85°C. It utilizes a 4-SMD, no-lead package with dimensions of 2.00 mm x 1.60 mm and a maximum height of 0.55 mm.

Crystals Feature Summary

• Fundamental mode operation ensures stable oscillation characteristics.
• Surface-mount design facilitates automated assembly processes.
• Industrial temperature rating supports reliable performance in varied environments.

Crystals Applications

• Microcontroller clock sources
• Communication module timing
• Embedded system oscillators

Crystals Procurement Notes

Verify component authenticity through authorized channels. Confirm RoHS3 compliance status prior to integration. Ensure ESD handling protocols are followed during storage and installation. Validate footprint compatibility with PCB layout specifications before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 27 MHz fundamental resonance is required. Verify that the circuit load capacitance matches the specified 10 pF value. Consider the 100 Ohm ESR limit against oscillator drive requirements. Check availability status as supply may be limited.

Crystals Part Context

This component belongs to the 402 Series of SMD crystals from CTS-Frequency Controls. The series offers various frequencies and packages. This specific variant targets general-purpose timing needs within standard industrial temperature constraints.

Crystals Replacement Considerations

Direct substitutes include 402F2701XILR and 402F2701XIAR. Parameter-equivalent options include 402F27012ILR. Verify pinout and electrical parameters match before substitution.