402F27012IDT

Crystals Overview

The 402F27012IDT is a 27 MHz fundamental mode quartz crystal manufactured by CTS-Frequency Controls. It features an 18 pF load capacitance and ±10 ppm initial frequency tolerance with ±20 ppm total stability. The component operates within a temperature range of -40°C to +85°C and exhibits an equivalent series resistance (ESR) of 100 Ohms. It utilizes a 4-SMD, no-lead package measuring 2.00mm x 1.60mm with a maximum height of 0.55mm. This surface-mount device is RoHS compliant and classified under ECCN EAR99.

Crystals Feature Summary

• Fundamental resonance mode operation for precise frequency control
• Wide industrial temperature range capability from -40°C to +85°C
• Compact 4-SMD no-lead surface mount footprint
• High frequency stability with ±10 ppm initial tolerance

Crystals Applications

• Clock generation circuits in microcontroller systems
• Communication module timing references
• Industrial control system oscillators
• Consumer electronics frequency standards

Crystals Procurement Notes

Verify current availability status as the part may be discontinued or limited. Confirm package orientation and soldering profile requirements against latest datasheet revisions. Ensure ESR and load capacitance match target circuit design specifications before integration. Check for RoHS compliance documentation if required by regulatory standards.

Crystals Selection Notes

Select this component when a 27 MHz fundamental crystal with 18pF load capacitance is required. Consider the 100 Ohm ESR value for oscillator circuit compatibility. The wide temperature range suits industrial applications. Verify that the 4-SMD no-lead package fits the PCB layout constraints and manufacturing capabilities.

Crystals Part Context

This crystal belongs to the CTS 402 Series, designed for general-purpose surface-mount applications. It provides stable frequency reference solutions for digital circuits requiring precise timing. The series offers various frequency and load capacitance options within a standardized small outline package format.

Crystals Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include 402F27012IDR. Verify electrical parameters such as frequency, load capacitance, and ESR match exactly before substitution. Package dimensions and pinout must be compatible with existing footprints.