X49SS2-4.000-F20JJHPK

Crystals Overview

The X49SS2-4.000-F20JJHPK is a surface-mount quartz crystal resonator manufactured by Suzhou Hangjing Elec&Tech Co., Ltd. It operates at a fundamental frequency of 4 MHz with a load capacitance of 20 pF. The component exhibits a frequency tolerance of ±30 ppm and an initial stability of ±30 ppm over the operating temperature range of -40°C to +85°C. Designed for SMD mounting, it features a package dimension of 11.4 mm x 4.7 mm x 4.1 mm and a series resistance of 70 ohms.

Crystals Feature Summary

• Surface mount construction for automated assembly
• Quartz crystal resonator technology
• Wide operating temperature range capability

Crystals Applications

• Computing systems
• Communication devices
• Automotive electronics
• Medical devices
• Industrial control equipment

Crystals Procurement Notes

Verify part authenticity through official manufacturer channels or authorized distributors. Confirm that the received components match the specific model number X49SS2-4.000-F20JJHPK. Ensure storage conditions comply with moisture sensitivity levels if applicable. Check for physical damage to the package before integration into circuit designs.

Crystals Selection Notes

Select this component when a 4 MHz reference signal is required in space-constrained applications. The 20 pF load capacitance must align with the oscillator circuit design specifications. Consider the ±30 ppm tolerance for timing accuracy requirements within the specified temperature range. Verify mechanical fit within the 11.4 mm x 4.7 mm footprint constraints.

Crystals Part Context

This component belongs to the X49SS2 series of surface-mount crystals from Suzhou Hangjing. The series supports various frequencies and load capacitances for general-purpose timing applications. Hangjing specializes in quartz frequency control units including crystals, oscillators, and filters for industrial and consumer markets.

Crystals Replacement Considerations

Cross-reference with other manufacturers' 4 MHz SMD crystals having 20 pF load capacitance and similar dimensions. Ensure equivalent electrical parameters such as series resistance and frequency stability are met. Verify pin compatibility and mounting orientation differences between alternative suppliers.