QTS532C-19.440MBP-T

Overview

The QTS532C-19.440MBP-T is a Temperature Compensated Crystal Oscillator (TCXO) manufactured by QST Products, LLC. It operates at a nominal frequency of 19.44 MHz with a frequency stability of ±280 ppb. The device requires a 3.3V supply voltage and draws a maximum current of 5 mA. It features CMOS output signals and supports surface mount assembly via wave soldering. The component is housed in a 10-SMD, No Lead package with a maximum seated height of 1.50 mm. It is designed for operation within an extended temperature range of -40°C to +85°C and complies with RoHS3 standards.

Feature Summary

• Temperature compensated crystal oscillator design ensuring stable frequency performance across varying thermal conditions.
• CMOS output interface compatible with standard digital logic circuits.
• Extended operating temperature range suitable for demanding industrial environments.
• Surface mount construction optimized for automated wave soldering processes.

Applications

• Telecommunications equipment requiring precise clock synchronization
• Industrial control systems operating in variable temperature conditions
• Consumer electronics utilizing high-stability timing references

Procurement Notes

Verify the specific suffix designation against official QST documentation to confirm pinout configuration and electrical characteristics. Ensure that the requested variant matches the required frequency stability and operating temperature range specifications. Confirm compliance with RoHS3 requirements if applicable to your manufacturing standards. Cross-reference the package dimensions with your PCB footprint library to ensure mechanical compatibility before finalizing procurement orders.

Selection Notes

Select this component when a stable 19.44 MHz reference is required for CMOS-based digital systems. Consider the ±280 ppb stability specification for applications sensitive to frequency drift over temperature variations. Evaluate the 3.3V supply requirement against available power rails. The 10-SMD package necessitates adequate board space and appropriate soldering profiles for reliable assembly.

Part Context

This part belongs to the QTS532C series of temperature-compensated crystal oscillators from QST Products. The series offers various frequency options tailored for different timing applications. The QTS532C model specifically targets markets requiring high precision and reliability in compact surface-mount formats. It serves as a critical timing element in systems where clock accuracy directly impacts overall performance.

Replacement Considerations

Direct substitutes include other QST TCXOs with identical 19.44 MHz frequency, 3.3V supply, and 10-SMD package constraints. Verify that alternative components match the ±280 ppb stability and -40°C to +85°C operating range. Ensure CMOS output compatibility and similar current consumption levels to maintain system power budget integrity.