NX3225SA-16MHZ-STD-CSR-3

Overview

The NDK NX3225SA-16MHZ-STD-CSR-3 is a surface-mount crystal unit designed for compact electronic applications. It operates at a nominal frequency of 16 MHz using the fundamental oscillation mode. The component features a standard 3225 package with dimensions of 3.20 mm x 2.50 mm and a maximum height of 0.60 mm. Key electrical specifications include a frequency tolerance of ±15 ppm at 25°C and a frequency stability of ±15 ppm across the operating temperature range of -10°C to +75°C. The device utilizes an 8 pF load capacitance and has a maximum equivalent series resistance (ESR) of 80 Ω.

Feature Summary

• Fundamental oscillation mode operation suitable for direct MCU clock integration without harmonic circuits
• Ultra-thin 3225 surface-mount package optimized for space-constrained portable devices
• RoHS compliant construction supporting lead-free soldering processes
• Optimized ESR characteristics ensuring reliable startup in low-power designs

Applications

• Mobile phone and tablet system clocks
• Portable digital television terminals
• Bluetooth and wireless module reference clocks
• Office automation equipment timing sources

Procurement Notes

Verify the specific ordering suffix against the official NDK datasheet to confirm the exact load capacitance, frequency tolerance, and temperature range. Ensure the selected variant matches the target application's environmental requirements and PCB layout constraints before placing orders.

Selection Notes

Select this model when a 16 MHz fundamental frequency is required for consumer-grade electronics. Confirm that the ±15 ppm stability meets the system's timing budget. Verify that the host microcontroller supports the 8 pF load capacitance requirement to ensure accurate frequency performance.

Part Context

This component belongs to the NX3225SA series, which provides thin-profile crystal units for short-range wireless and OA equipment. The series offers various frequency and tolerance options within the 3225 footprint to support diverse mobile and industrial design needs.

Replacement Considerations

Consult the official NDK cross-reference documentation for verified substitute part numbers. Do not assume generic 3225 crystals are compatible due to potential differences in ESR, load capacitance, or drive level specifications.

FAQ

What is the maximum equivalent series resistance for this 16 MHz variant?

The maximum ESR is specified as 80 Ω for the 13 MHz to 20 MHz frequency range.

Does this component require external matching capacitors?

Yes, the component is designed for an 8 pF load capacitance; external capacitors must be calculated to achieve this total effective load including PCB stray capacitance.