LFXTAL003286B

Overview

The LFXTAL003286B is a quartz crystal unit manufactured by IQD Frequency Products, designed for through-hole mounting in the HC-49/US package. It operates at a fundamental frequency of 12.288 MHz with a tolerance of ±30 ppm and stability of ±50 ppm. The component features a load capacitance of 30 pF and an equivalent series resistance (ESR) of 40 Ohms. It supports a drive level of 1 mW and functions within a temperature range of -10°C to +70°C. Physical dimensions are 11.05 mm in length, 4.7 mm in width, and 4.1 mm in height, with a lead spacing of 4.88 mm.

Feature Summary

• Hermetically sealed glass-to-metal construction for environmental durability
• Standard two-lead radial configuration for easy PCB integration
• Fundamental mode operation ensuring stable oscillation

Applications

• Microcontroller clock sources
• Communication interface timing circuits
• Digital logic synchronization

Procurement Notes

Verify the specific suffix designation against the manufacturer's current datasheet to confirm packaging type and exact electrical tolerances. Ensure the selected variant matches the required operating temperature range and load capacitance specifications for the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when a standard HC-49/US footprint is required for 12.288 MHz applications. Consider the 40 Ohm ESR and 30 pF load capacitance requirements to ensure compatibility with the oscillator circuit. Verify that the ±30 ppm tolerance meets the system's timing accuracy constraints.

Part Context

This part belongs to the IQD WE-XTAL series of industry-standard leaded crystals. It utilizes resistance-welded, hermetically sealed technology within an inert atmosphere. The HC-49/US package provides a robust mechanical form factor suitable for general-purpose electronic applications requiring reliable frequency generation.

Replacement Considerations

Cross-reference with other manufacturers offering HC-49/US packaged 12.288 MHz crystals with matching 30 pF load capacitance and similar ESR values. Ensure physical dimensions and lead spacing compatibility for direct replacement without PCB layout modifications.