LFXTAL019833

Overview

The LFXTAL019833 is a fundamental mode quartz crystal manufactured by IQD Frequency Products. It operates at a nominal frequency of 4 MHz with a frequency stability and tolerance of ±30 ppm. The component features a load capacitance of 20 pF and an equivalent series resistance (ESR) of 130 Ohms. It utilizes an HC49/4HSMX package, suitable for surface mount or through-hole applications depending on the specific variant configuration. The device is designed for reliable performance in standard electronic circuits requiring precise timing references.

Feature Summary

• Fundamental mode operation for stable frequency generation
• Compact HC49/4HSMX package format
• Standard load capacitance compatibility

Applications

• General purpose timing circuits
• Microcontroller clock sources
• Consumer electronics timing references

Procurement Notes

Verify the exact package type (SMD vs THT) as HC49 variants exist. Confirm RoHS compliance status if required for specific manufacturing standards. Ensure the load capacitance matches the host circuit design requirements to maintain frequency accuracy within the specified ±30 ppm tolerance.

Selection Notes

Select this component when a 4 MHz reference with ±30 ppm stability is required. The HC49 form factor offers robust mechanical handling. Consider ESR limits for oscillator circuit design. Verify temperature range specifications against application environmental conditions.

Part Context

IQD Frequency Products specializes in quartz crystals and oscillators. The LFXTAL series includes various fundamental and overtone modes. This part represents a standard frequency solution within their extensive portfolio of timing components used across industrial and consumer sectors.

Replacement Considerations

Check datasheets for alternative 4 MHz crystals with matching 20pF load capacitance and similar ESR values. Ensure physical dimensions of potential substitutes fit the existing footprint constraints.