QT325G-48.000MAHV-T

Overview

The QT325G-48.000MAHV-T is a 48 MHz fundamental mode quartz crystal resonator manufactured by QST. It features a frequency tolerance of ±30 ppm and an equivalent series resistance (ESR) of 60 ohms maximum. The component is designed for a load capacitance of 8 pF and utilizes a 4-SMD, No Lead package with dimensions of 3.2mm x 2.5mm x 0.8mm. It operates within a temperature range of -40°C to +85°C, providing stable oscillation for digital clock signals in compact electronic systems.

Feature Summary

• Compact surface-mount design suitable for space-constrained PCB layouts
• Stable frequency generation with low phase noise characteristics
• Robust performance across wide commercial temperature variations

Applications

• Microcontroller clock sources
• Communication interface timing circuits
• Digital signal processing systems

Procurement Notes

Verify the complete part number against official QST documentation to ensure correct suffix interpretation. Confirm that the MAHV-T designation aligns with the required 48 MHz frequency, 8 pF load capacitance, and ±30 ppm stability specifications. Cross-reference package dimensions and terminal configuration with target board designs prior to procurement.

Selection Notes

Select this component when a 48 MHz reference is required for synchronous digital logic. Ensure the circuit design accommodates the specified 8 pF load capacitance to maintain accuracy. Verify that the operating environment stays within the -40°C to +85°C range. Consider ESR limits for oscillator drive level compatibility.

Part Context

This model belongs to the QT325G family of thin-film or bulk acoustic wave crystals optimized for high-frequency applications. The series offers various frequency options and stability grades, with the MAHV-T variant specifically targeting standard commercial temperature ranges and moderate stability requirements for general-purpose timing.

Replacement Considerations

Direct substitutes must match the 48 MHz frequency, 4-SMD no-lead footprint, and 8 pF load capacitance. Verify pinout compatibility and thermal characteristics. Consult manufacturer cross-reference lists for approved equivalents.