QT532G-18.432MBBK-T

Overview

The QT532G-18.432MBBK-T is a quartz crystal oscillator manufactured by QST Products, LLC. It operates at a nominal frequency of 18.432 MHz with a load capacitance of 20 pF and an equivalent series resistance of 50 Ohms. The component utilizes a glass seal construction within a surface-mount package measuring 5.0 mm by 3.2 mm. Frequency stability is rated at ±50 ppm at 25°C and ±50 ppm across the operating temperature range of -20°C to +70°C.

Feature Summary

• Glass seal construction for environmental protection
• Surface mount design for automated assembly
• Fundamental operating mode

Applications

• General clock generation in electronic circuits
• Microcontroller system timing references
• Communication module frequency standards

Procurement Notes

Verify the manufacturer designation as QST Products, LLC, distinct from other suppliers listing identical part numbers. Confirm the specific suffix MBBK-T corresponds to the required ±50 ppm stability and temperature range. Ensure the 20 pF load capacitance matches the target circuit design requirements before procurement.

Selection Notes

Select this component when a 18.432 MHz fundamental frequency is required with moderate stability. The 5.0x3.2 mm SMD footprint suits space-constrained designs. Verify that the ±50 ppm tolerance meets the system timing accuracy needs. Consider the -20°C to +70°C operating range against environmental conditions.

Part Context

This part belongs to the QT532G series of MHz quartz crystals. The series offers various frequency options and stability grades. The QT532G-18.432MBBK-T specifically addresses applications requiring standard microcontroller clock speeds with reliable performance in commercial temperature ranges.

Replacement Considerations

Cross-reference with other manufacturers offering 18.432 MHz crystals in 5.0x3.2 mm packages. Ensure replacement parts match the 20 pF load capacitance and 50 Ohm ESR specifications. Verify compatibility with the ±50 ppm stability requirement.