LFXTAL003102B

Overview

LFXTAL003102B is a parallel fundamental quartz crystal manufactured by IQD Frequency Products. It operates at a nominal frequency of 4.433619 MHz with a load capacitance of 20 pF. The component features a frequency tolerance of ±30 ppm and a frequency stability of ±50 ppm. It utilizes an HC49/4H through-hole package, measuring 11.05 mm in length, 4.7 mm in width, and 13.49 mm in height. The equivalent series resistance (ESR) is specified as 130 Ohms. The device supports a drive level of 1 mW and functions within a temperature range of -20°C to +70°C.

Feature Summary

• Hermetically sealed construction using resistance welding and glass-to-metal seals on leads for environmental protection.
• Fundamental parallel resonance mode operation suitable for standard oscillator circuits.
• Through-hole mounting configuration compatible with traditional PCB assembly processes.

Applications

• Color television systems utilizing NTSC or PAL subcarrier frequencies
• Video processing equipment requiring precise chrominance signal timing
• General-purpose clock generation in industrial control systems

Procurement Notes

Verify the specific packaging variant against project requirements, as bulk and reel options exist under similar identifiers. Confirm RoHS compliance status directly with the manufacturer or authorized distributor documentation prior to procurement. Ensure the selected part number matches the exact frequency tolerance and stability specifications required by the circuit design to avoid performance deviations.

Selection Notes

Select this component when a 4.433619 MHz reference is required for video or general timing applications. The HC49/4H package offers robust mechanical stability for through-hole designs. Consider the 130 Ohm ESR and 1 mW drive level limits to ensure compatibility with the host oscillator circuit's power constraints and loading requirements.

Part Context

This part belongs to the LFXTAL series of quartz crystals from IQD Frequency Products. It is functionally equivalent to the part number 830003102B. The product line includes various frequencies and packages, serving diverse timing needs across consumer, industrial, and communication sectors.

Replacement Considerations

Direct substitutes include parts with identical 4.433619 MHz frequency, 20 pF load capacitance, and HC49/4H package dimensions. Verify that alternative manufacturers meet the same ±30 ppm tolerance and 130 Ohm ESR specifications to maintain circuit performance.