CS11321-25M

Overview

The CS11321-25M is a surface-mount fundamental mode crystal oscillator manufactured by NDK. It operates at a nominal frequency of 25 MHz with a frequency tolerance of ±20 ppm and a load capacitance of 6 pF. The component features an equivalent series resistance (ESR) of 80 Ohms and utilizes a 4-SMD, no-lead package with dimensions of 2.0mm x 1.6mm x 0.5mm. It supports a wide operating temperature range from -40°C to 105°C and is RoHS compliant.

Feature Summary

• Fundamental oscillation mode for stable frequency generation
• Wide industrial temperature rating for harsh environments
• Compact SMD footprint suitable for space-constrained designs

Applications

• Microcontroller clock sources
• Communication interface timing
• Industrial control systems

Procurement Notes

Verify the specific package dimensions and lead configuration against the official NDK datasheet before integration. Confirm that the load capacitance requirements of the host circuit match the 6pF specification to ensure accurate frequency performance. Check for RoHS compliance documentation if required by project regulations.

Selection Notes

Select this component when a 25 MHz reference is needed in a small SMD form factor. Ensure the application environment stays within the -40°C to 105°C operational range. Consider the 80 Ohm ESR value when designing the oscillator circuit to guarantee reliable startup and stability.

Part Context

This part belongs to the NX2016SA series of surface-mount crystals from NDK. It is designed for general-purpose timing applications requiring high stability in a compact package. The series offers various frequency options and load capacitances to suit different circuit requirements.

Replacement Considerations

ECS-250-18-33B-CKY-TR is listed as a direct substitute. Verify compatibility regarding package size, load capacitance, and ESR before replacement.