LFXTAL059537

Overview

The LFXTAL059537 is a parallel fundamental quartz crystal manufactured by IQD Frequency Products. It operates at a nominal frequency of 40 MHz with a load capacitance of 18 pF. The component features a frequency tolerance of ±20 ppm and a stability of ±30 ppm. It utilizes a 4-SMD, no-lead package with dimensions of 5.00 mm x 3.20 mm x 1.00 mm. The equivalent series resistance (ESR) is 100 Ohms. The device supports surface mount installation and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Hermetically sealed in an inert atmosphere with glass-to-metal seals on leads for durability
• Designed for surface mount technology applications using a compact leadless package
• Provides stable oscillation at 40 MHz with specified frequency tolerance and stability

Applications

• General purpose clock signal generation in electronic circuits
• Microcontroller system timing references
• Communication equipment requiring precise frequency standards

Procurement Notes

Verify the specific packaging configuration required for production, as bulk and reel options may exist for this part number. Confirm that the 4-SMD no-lead footprint matches the target PCB design constraints. Ensure the operating temperature range of -40°C to +85°C meets the environmental requirements of the final assembly. Cross-reference the 18 pF load capacitance with the oscillator circuit design to ensure proper frequency accuracy.

Selection Notes

Select this component when a surface mount quartz crystal is required for 40 MHz applications. The 4-SMD no-lead package offers space efficiency compared to through-hole alternatives. Consider the 100 Ohm ESR value when designing the oscillator circuit to ensure reliable startup. The wide temperature range makes it suitable for industrial or consumer electronics environments where thermal stability is necessary.

Part Context

This crystal belongs to the standard quartz crystal category from IQD Frequency Products. It is part of a broader portfolio offering various frequencies and packages. The manufacturer specializes in providing components for telecommunications, computing, and industrial markets. The LFXTAL series typically includes industry-standard leaded and surface mount options.