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Product Detailed Parameters
- Description：2.5X2.0 SEAM SEAL MHZ QUARTZ XTA
- Series：QT252S
- 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)：100 Ohms
- Operating Mode：Fundamental
- Operating Temperature：-20°C ~ 70°C
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.098" L x 0.079" W (2.50mm x 2.00mm)
- Height - Seated (Max)：0.022" (0.55mm)
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Overview
The QT252S-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 of 100 Ohms. The component features a 4-SMD, no-lead package with dimensions of 2.5 x 2.0 mm. Frequency stability is specified at ±10 ppm at 25°C and ±10 ppm over the temperature range of -20°C to +70°C.
Feature Summary
- Seam seal construction utilizing ceramic materials for enhanced environmental durability
- Surface-mount design compatible with automated assembly processes
- High frequency stability within specified commercial temperature ranges
Applications
- Microcontroller clock sources
- Communication module timing circuits
- Digital signal processing systems
Procurement Notes
Verify the manufacturer designation carefully, as similar part numbers exist from TXC Corporation with different electrical specifications. Confirm the load capacitance and tolerance requirements match the target circuit design. Ensure the 4-SMD package footprint aligns with the PCB layout constraints. Check datasheet revisions for any updates to mechanical dimensions or recommended soldering profiles prior to finalizing procurement orders.
Selection Notes
Select this component when a compact 2.5x2.0 mm footprint is required for 24 MHz timing applications. The ±10 ppm stability suits general-purpose digital logic and communication interfaces. Consider the 8 pF load capacitance requirement for oscillator circuit compatibility. Evaluate thermal performance if operating near the upper limit of the -20°C to +70°C range.
Part Context
This crystal belongs to the QT252S series of seam-seal quartz resonators. The series offers various frequency options and package sizes optimized for space-constrained electronic designs. The specific model provides a balance between size, stability, and cost for mass-produced consumer and industrial electronics.
Replacement Considerations
QT252S-24.000MAAJ-T
FAQ
What is the package type for this crystal?
It uses a 4-SMD, no-lead surface-mount package.
What is the frequency tolerance at room temperature?
The frequency tolerance is ±10 ppm at 25°C.
