NX1255GB-4.915200MHZ

Overview

The NX1255GB-4.915200MHZ is a surface-mount crystal unit manufactured by NDK (NIHON DEMPA KOGYO CO., LTD). It operates at a fundamental frequency of 4.9152 MHz with a frequency tolerance and stability of ±50ppm. The component features a load capacitance of 12pF and an equivalent series resistance (ESR) of 120 Ohms. It utilizes a 4-SMD, No Lead package configuration designed for automated assembly processes in electronic circuits requiring precise timing references.

Feature Summary

• Surface-mount design compatible with standard SMT assembly lines
• Fundamental mode quartz crystal operation for stable oscillation
• Lead-free construction compliant with environmental standards

Applications

• OA equipment clock generation
• AV device timing circuits
• General-purpose microcontroller oscillator inputs

Procurement Notes

Verify the specific suffix designation to confirm the exact frequency and tolerance requirements against the target circuit design. Confirm package orientation and soldering profile compatibility with the manufacturing process. Check current availability status as this part number may be marked obsolete or end-of-life depending on regional distributor inventory. Ensure that the load capacitance matches the oscillator circuit specifications to maintain accuracy.

Selection Notes

Select this component when a 4.9152 MHz fundamental frequency is required with ±50ppm stability. Compare the 120 Ohm ESR against the oscillator amplifier's drive level capabilities to prevent overdriving. Evaluate the 12pF load capacitance requirement against the PCB trace and stray capacitance values. Consider the 4-SMD footprint dimensions for board space constraints relative to alternative packages.

Part Context

This model belongs to the NX1255GB series of crystal units intended for OA and AV applications. The series offers various frequency options within the same physical package outline. The NX1255GB variant specifically denotes the 4-SMD no-lead form factor. Other frequencies in this family include 10.000000MHz and 12.000000MHz variants sharing similar electrical characteristics but differing in resonant frequency and potentially ESR values.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Direct replacements require matching the 4.9152 MHz frequency, 12pF load capacitance, 120 Ohm ESR, and 4-SMD package dimensions. Cross-reference with other manufacturers offering fundamental mode SMD crystals with identical electrical parameters and mechanical footprint.