STDCZS3-40M

Overview

The STDCZS3-40M is a surface-mount quartz crystal manufactured by NDK. It operates at a fundamental frequency of 40 MHz with a load capacitance of 8 pF. The component features a frequency tolerance and stability of ±15 ppm. It has an equivalent series resistance (ESR) of 60 Ohms and utilizes a 4-SMD, no-lead package measuring 3.2 mm x 2.5 mm with a maximum height of 0.60 mm.

Feature Summary

• Fundamental mode operation for precise timing applications
• Compact 4-SMD surface mount footprint for automated assembly
• High frequency stability suitable for clock generation circuits

Applications

• Microcontroller clock sources
• Communication interface timing
• General-purpose digital circuit oscillators

Procurement Notes

Verify the specific datasheet version for the STDCZS3-40M to confirm exact electrical parameters and mechanical dimensions. Ensure compatibility with lead-free reflow soldering profiles as indicated by standard RoHS compliance. Cross-reference the manufacturer part number against distributor listings to confirm current availability and packaging options.

Selection Notes

Select this component when a 40 MHz fundamental frequency with ±15 ppm stability is required in a compact 3.2x2.5 mm package. Consider the 60 Ohm ESR value for oscillator circuit design to ensure proper startup conditions. Verify that the 8 pF load capacitance matches the target microcontroller or logic device specifications.

Part Context

This part belongs to NDK's SMD crystal lineup, designed for space-constrained electronics. It serves as a passive frequency control element, providing a stable reference signal for digital systems. The NX3225SA series designation indicates its physical form factor and mounting style within the manufacturer's catalog.

Replacement Considerations

STDCSK4-40M