402F4001XILR

Crystals Overview

The CTS-Frequency Controls 402F4001XILR is a surface-mount fundamental mode crystal operating at 40 MHz. It features a load capacitance of 12pF and an equivalent series resistance (ESR) of 60 Ohms. The unit provides frequency stability of ±15ppm and initial tolerance of ±10ppm. Housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm and a maximum height of 0.55mm, it supports operation within a temperature range of -40°C to +85°C.

Crystals Feature Summary

• Fundamental mode quartz crystal resonator for precise timing applications
• Compact 4-SMD no-lead surface mount package design
• Operational capability across extended industrial temperature ranges

Crystals Applications

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

Crystals Procurement Notes

Verify the specific suffix configuration against the manufacturer's official datasheet to ensure compatibility with required load capacitance and tolerance specifications. Confirm that the RoHS3 compliance status meets current regulatory requirements for the target assembly process. Cross-reference the MSL rating with storage and reflow constraints to prevent moisture-induced damage during manufacturing.

Crystals Selection Notes

Select this component when a 40 MHz fundamental frequency with 12pF load capacitance is required. Ensure the circuit design accommodates the 60 Ohm ESR characteristic. Verify that the 4-SMD footprint matches the PCB layout constraints. Consider the -40°C to +85°C operating range suitability for the intended environmental conditions.

Crystals Part Context

This part belongs to the 402 Series of crystals from CTS-Frequency Controls. These components are designed for general-purpose timing applications requiring stable frequency generation in space-constrained surface mount designs. The series offers various frequency options within standardized package dimensions.

Crystals Replacement Considerations

Public confirmed substitute part numbers include 402F4001XILT, 402F4001XIDR, and 402F4001XIJR.