LNCD1-40M

Overview

The LNCD1-40M is a surface-mount crystal unit manufactured by NDK (NIHON DEMPA KOGYO CO., LTD). It operates at a fundamental frequency of 40 MHz with a load capacitance of 8 pF and an equivalent series resistance of 50 Ohms. The component features a 2-SMD, no-lead package with dimensions of 8.00mm x 4.50mm and a maximum height of 2.00mm. Frequency tolerance and stability are specified at ±50ppm. It supports a base temperature range of -10°C to +70°C and complies with RoHS standards.

Feature Summary

• Ultra compact surface-mount design suitable for space-constrained applications
• Lead-free construction compatible with standard reflow soldering profiles
• Fundamental mode operation providing stable clock signals

Applications

• Mobile communication devices
• Bluetooth modules
• Base clock frequency generation

Procurement Notes

Verify the specific ordering code suffix against the official NDK datasheet to ensure correct frequency and tolerance specifications. Confirm that the 2-SMD package dimensions align with the target PCB footprint. Check for any recent lifecycle status updates or recommended alternative part numbers from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when a 40 MHz fundamental frequency crystal is required for mobile or Bluetooth applications. Ensure the system design accommodates the 8pF load capacitance and 50 Ohm ESR. Verify that the operating temperature range meets the environmental requirements of the end application. Consider the physical size constraints relative to other available SMD crystal packages.

Part Context

The LNCD1-40M belongs to NDK's line of small surface-mount crystal units designed for mobile communications. It is part of a family offering various frequencies optimized for handsets and Bluetooth base clocks. The product emphasizes excellent electrical performance and environmental resistance, including heat and shock durability, while maintaining a lead-free profile for modern manufacturing processes.

Replacement Considerations

Public confirmed substitute part numbers are not explicitly listed in the provided documentation. Consult the official NDK datasheet or distributor resources for cross-reference information if direct replacement is necessary.