QT161S-26.000MAAI-T

Overview

The QST QT161S-26.000MAAI-T is a fundamental mode quartz crystal resonator designed for surface-mount applications. It operates at a nominal frequency of 26 MHz with a frequency tolerance of ±30 ppm. The component features a load capacitance of 16 pF and is housed in a compact 4-SMD, No Lead package measuring 1.60 mm x 1.20 mm x 0.35 mm. It complies with RoHS3 standards and supports an operating temperature range typically extending from -20°C to +70°C.

Feature Summary

• Compact 4-SMD no-lead surface mount package
• Fundamental oscillation mode operation
• RoHS3 compliant construction

Applications

• Clock signal generation for microcontrollers
• Timing reference for communication modules
• Frequency control in portable electronic devices

Procurement Notes

Verify the specific suffix 'AAI' matches the required load capacitance and stability specifications for your circuit design. Confirm that the 16 pF load capacitance aligns with the oscillator circuit requirements. Ensure the 4-SMD footprint dimensions are compatible with your PCB layout and assembly processes before finalizing procurement.

Selection Notes

Select this component when a small form factor is required for 26 MHz timing applications. The 16 pF load capacitance must match the external capacitors used in the oscillator circuit to ensure accurate frequency performance. Consider the ±30 ppm tolerance relative to system timing accuracy requirements.

Part Context

This part belongs to the QT161S series of thin film bulk acoustic resonator (FBAR) or similar advanced crystal technologies by QST. These components are engineered for high-frequency stability in space-constrained environments. The series offers various load capacitance options to suit different oscillator designs while maintaining consistent physical dimensions.

Replacement Considerations

Direct substitutes include other 26 MHz crystals with identical 16 pF load capacitance and 4-SMD no-lead packages. Verify equivalent frequency tolerance and temperature stability ranges. Cross-reference pinout and mechanical dimensions to ensure compatibility without PCB redesign.