QT532S-20.000MEEQ-T

Overview

The QT532S-20.000MEEQ-T is a quartz crystal resonator manufactured by TXC Corporation, distributed under the QST brand identifier in some catalogs. It operates at a nominal frequency of 20 MHz with a fundamental mode configuration. The component features a surface-mount 4-pin package with dimensions of 5.0 x 3.2 x 0.9 mm. Electrical specifications include a load capacitance of 10 pF and a series resistance of 40 Ohms. Frequency tolerance is ±10 ppm at 25°C, with stability maintained within ±10 ppm across the operating temperature range of -20°C to +70°C.

Feature Summary

• Seam seal ceramic construction for environmental protection
• Surface-mount design compatible with automated assembly
• Fundamental mode quartz resonance for precise timing

Applications

• Microcontroller clock sources
• Communication module oscillators
• Digital signal processing circuits

Procurement Notes

Verify manufacturer origin as TXC Corporation despite distributor branding. Confirm package dimensions and pin configuration match PCB footprint requirements. Validate frequency tolerance and stability ratings against application thermal conditions. Ensure soldering profiles comply with ceramic crystal handling guidelines to prevent mechanical stress or frequency drift during reflow processes.

Selection Notes

Select this component when a 20 MHz reference is required in a compact 5.0x3.2mm SMD package. Consider the ±10 ppm stability limits relative to system timing accuracy needs. Evaluate the 40 Ohm series resistance impact on oscillator circuit loading. Compare against alternative frequencies or tighter tolerance variants if higher precision or different form factors are necessary for the specific electronic design.

Part Context

This part belongs to the QT532S series of seam-seal quartz crystals from TXC Corporation. The series offers various frequencies within the same physical footprint, allowing for design flexibility while maintaining consistent board space utilization. The 20 MHz variant provides a common clock speed for digital systems requiring moderate precision timing references in consumer and industrial electronics.

Replacement Considerations

QT532G-25.000MAHJ-T is listed as an equivalent part number in distributor databases, though frequency differs. Verify electrical compatibility before substitution. No other direct substitutes are confirmed in available documentation.