LFXTAL003119B

Overview

The LFXTAL003119B is a parallel fundamental quartz crystal from the HC49/4H series by IQD Frequency Products. It operates at a nominal frequency of 5 MHz with a frequency tolerance of ±30 ppm and stability of ±50 ppm. The component features a load capacitance of 30 pF, a maximum series resistance of 130 Ω, and a drive level of 500 µW. Designed for through-hole mounting, it functions within an operating temperature range of -20°C to +70°C. The unit utilizes resistance-welded, hermetically sealed glass-to-metal seals in an inert atmosphere.

Feature Summary

• Hermetically sealed construction using resistance welding and glass-to-metal seals
• Standard leaded package design for reliable through-hole integration
• Fundamental parallel resonance mode operation

Applications

• General-purpose clock signal generation
• Microcontroller system timing references
• Industrial control circuitry

Procurement Notes

Verify the specific suffix against official documentation to confirm packaging configuration. Ensure the selected variant matches the required frequency tolerance and load capacitance specifications for the target application circuit. Confirm compliance requirements such as RoHS status prior to procurement.

Selection Notes

Select this component for applications requiring standard through-hole quartz crystals with moderate stability. Consider the 130 Ω maximum series resistance when designing oscillator circuits to ensure proper startup conditions. Verify that the 30 pF load capacitance aligns with the host circuit's capacitive requirements.

Part Context

This part belongs to the HC49/4H series, representing industry-standard leaded quartz crystals. IQD Frequency Products manufactures these components utilizing established frequency control technologies. The series provides a balance of performance and physical robustness for general electronic applications.

Replacement Considerations

Cross-reference with other HC-49/US packages offering 5 MHz frequency and similar electrical parameters. Ensure substitute parts match the 30 pF load capacitance and ±30 ppm tolerance limits.