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Product Detailed Parameters
- Description：3.2X2.5 SEAM SEAL MHZ QUARTZ XTA
- Series：QT325S
- Mfr：QST
- Package：Tape & Reel (TR)
- Type：MHz Crystal
- Frequency：24 MHz
- Frequency Stability：±10ppm
- Frequency Tolerance：±10ppm
- Load Capacitance：8pF
- ESR (Equivalent Series Resistance)：50 Ohms
- Operating Mode：Fundamental
- Operating Temperature：-20°C ~ 70°C
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.126" L x 0.098" W (3.20mm x 2.50mm)
- Height - Seated (Max)：0.031" (0.80mm)
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Overview
The QT325S-24.000MEEV-T is a quartz crystal resonator manufactured by QST, designed for surface-mount applications. It operates at a fundamental frequency of 24 MHz with a load capacitance of 8 pF and an equivalent series resistance (ESR) of 50 Ohms. The component features a frequency tolerance of ±10 ppm at normal temperature and is housed in a compact 4-SMD, No Lead package. This configuration supports precise timing requirements in electronic circuits.
Feature Summary
- Surface-mount design for automated assembly
- Quartz crystal construction for stable oscillation
- Low equivalent series resistance for efficient operation
Applications
- Embedded systems timing
- Microcontroller clock sources
- Digital signal processing circuits
Procurement Notes
Verify the specific suffix MEEV against official QST documentation to confirm pinout and mechanical dimensions. Ensure compatibility with PCB footprint specifications before integration. Cross-reference datasheet revisions to validate electrical parameters such as ESR and load capacitance for the final design.
Selection Notes
Select this component when a 24 MHz reference with ±10 ppm stability is required in a low-profile SMD form factor. Consider the 8 pF load capacitance requirement for oscillator circuit design. Evaluate the 50 Ohm ESR limit against the driving level constraints of the target application to ensure long-term reliability.
Part Context
This part belongs to the QT325S series of quartz crystals from QST, characterized by small outline packages suitable for space-constrained designs. The series typically offers various frequency options and tolerance grades, with the MEEV suffix denoting specific packaging or handling characteristics defined by the manufacturer.
Replacement Considerations
Direct substitutes must match the 24 MHz frequency, 8 pF load capacitance, and 4-SMD no-lead package geometry. Verify that alternative components meet the same ±10 ppm tolerance and 50 Ohm ESR specifications to maintain circuit performance without redesign.
