MU00389-32.768K

Overview

The MU00389-32.768K is a surface-mount crystal manufactured by NDK (NIHON DEMPA KOGYO CO., LTD). It operates at a fundamental frequency of 32.768 kHz with a load capacitance of 7 pF and an equivalent series resistance of 80 kOhms. The component belongs to the NX2012SA series and features a 2-SMD, no lead package measuring 3.20mm x 1.50mm x 0.90mm maximum height. It supports base harmonic operation and is available in tape and reel packaging.

Feature Summary

• Ultra-compact 2.5mm x 2.0mm footprint design for space-constrained applications
• Fundamental mode operation ensuring stable timing signals
• RoHS3 compliant construction for environmental safety

Applications

• Real-time clock circuits in consumer electronics
• Microcontroller system clocks
• Portable device timing references

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and tolerance specifications. Confirm that the selected variant matches the required load capacitance and frequency stability for the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when a small form factor is required for low-frequency timing applications. Ensure the circuit design accommodates the high equivalent series resistance typical of thin-package crystals. Verify compatibility with the target PCB layout dimensions and soldering thermal profiles during the design phase.

Part Context

This part belongs to the NX2012SA series of surface-mount crystals from NDK. The series is characterized by its reduced physical dimensions compared to standard packages, facilitating integration into modern miniaturized electronic devices while maintaining reliable oscillation performance.

Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the source material. Consult the manufacturer's official cross-reference documentation or authorized distributor catalogs for verified alternative components.