MU00137-32.768K

Overview

The NDK MU00137-32.768K is a surface-mount crystal unit designed for real-time clock applications. It operates at a nominal frequency of 32.768 kHz with a load capacitance of 12.5 pF. The component features an equivalent series resistance (ESR) of up to 80 kOhms and a frequency tolerance of ±20 ppm. It supports a parallel capacitance range of 0.9 to 1.5 pF and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Provides stable timing signals for real-time clock circuits
• Supports low-power operation suitable for portable devices
• Complies with RoHS environmental directives

Applications

• Real-time clock modules in consumer electronics
• Portable medical devices requiring precise timekeeping
• Industrial sensors operating in varied temperatures

Procurement Notes

Verify the specific manufacturer part number against official NDK documentation to ensure compatibility with design requirements. Confirm that the component meets all necessary environmental and safety standards for the intended application before finalizing procurement decisions.

Selection Notes

Select this component when a standard 32.768 kHz frequency is required for timekeeping functions. Ensure the circuit design accommodates the specified load capacitance and ESR values. Consider the operating temperature range to guarantee performance stability across the expected environmental conditions.

Part Context

This part belongs to the family of crystal units manufactured by NDK, a specialist in quartz-based frequency control products. These components are engineered for reliability in compact electronic systems where accurate time reference is critical for system synchronization and data logging operations.

Replacement Considerations

NSC5136A-32K768