049SS2-14.7456F18DTNJK

Crystals Overview

The 049SS2-14.7456F18DTNJK is a quartz crystal resonator manufactured by Suzhou Hangjing Elec&Tech Co., Ltd. It operates at a fundamental frequency of 14.7456 MHz with a load capacitance of 18 pF and an equivalent series resistance (ESR) typically around 30 to 60 Ohms, depending on specific manufacturing tolerances. The component utilizes the HC-49/US package style, providing a standard form factor for through-hole or surface-mount integration. Frequency stability is generally maintained within ±20 ppm over the operating temperature range, ensuring reliable reference timing for digital circuits. The device is designed for high reliability in consumer electronics and communication equipment.

Crystals Feature Summary

• Provides stable reference frequency generation for integrated circuits
• Utilizes standard HC-49/US package for versatile mounting options
• Ensures tight frequency stability suitable for precision timing applications

Crystals Applications

• Microcontroller clock sources
• Communication module timing references
• Digital signal processing circuits

Crystals Procurement Notes

Verify the exact ESR value and load capacitance requirements against your circuit design specifications before procurement. Confirm that the HC-49/US package dimensions align with your PCB footprint constraints. Ensure the operating temperature range meets your application's environmental conditions. Request the official datasheet from Suzhou Hangjing Elec&Tech Co., Ltd. to validate the ±20 ppm stability claim and any specific soldering recommendations for the SMD variant.

Crystals Selection Notes

Select this component when a precise 14.7456 MHz reference is required for UART, SPI, or other serial communication interfaces. The 18 pF load capacitance must match the oscillator circuit's external capacitors to achieve accurate frequency output. Consider the ESR limits of your oscillator driver to ensure sufficient loop gain. The HC-49/US form factor offers a balance between size and performance for general-purpose timing needs.

Crystals Part Context

Suzhou Hangjing Elec&Tech Co., Ltd. specializes in quartz frequency control components, offering a wide range of crystals and oscillators. The 049SS2 series represents their standard line of quartz resonators, known for consistent performance across various industrial and consumer applications. This manufacturer focuses on full-cycle R&D and production, ensuring quality control from raw material to finished product.

Crystals Replacement Considerations

Direct substitutes include other 14.7456 MHz crystals with 18 pF load capacitance and similar ESR values in HC-49/US packages. Verify pin compatibility and mechanical dimensions before swapping. Alternative brands may offer tighter stability or different temperature coefficients if specified in their datasheets.