CS14521-20M

Overview

The CS14521-20M is a surface-mount MHz crystal manufactured by NDK. It operates at a nominal frequency of 20 MHz with a frequency stability and tolerance of ±15ppm. The component features an 8pF load capacitance and an equivalent series resistance (ESR) of 50 Ohms. Designed for fundamental mode operation, it utilizes a 4-SMD, No Lead package measuring 3.20mm x 2.50mm x 0.60mm maximum height. The device supports a standard operating temperature range of -10°C to 75°C.

Feature Summary

• Surface-mount design in a compact 4-SMD No Lead package
• Fundamental mode operation for stable frequency generation
• Compliant with RoHS specifications

Applications

• Embedded systems requiring precise timing references
• Industrial automation control circuits
• General-purpose electronics applications

Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct packaging configuration. Confirm that the selected variant matches the required load capacitance and frequency tolerance specifications for the target circuit design. Cross-reference manufacturer part numbers with distributor identifiers to prevent procurement errors.

Selection Notes

Select this component when a 20 MHz fundamental resonance is required within a 3.2x2.5mm footprint. Ensure the application circuit provides an 8pF load capacitance to maintain the specified ±15ppm accuracy. Verify that the operating environment remains within the -10°C to 75°C range to guarantee performance stability.

Part Context

This component belongs to the NX3225SA series from NDK. It shares physical dimensions with other variants in the family but differs in electrical parameters such as frequency and load capacitance. The series offers various frequency options in a standardized surface-mount package suitable for high-volume manufacturing processes.

Replacement Considerations

NX3225SA-20.000000MHZ