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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：±30ppm
- Frequency Tolerance：±30ppm
- Load Capacitance：18pF
- ESR (Equivalent Series Resistance)：100 Ohms
- Operating Mode：Fundamental
- Operating Temperature：-40°C ~ 85°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-24.000MAHJ-T is a quartz crystal oscillator manufactured by QST, designed for surface-mount applications. It operates at a fundamental frequency of 24 MHz with a standard load capacitance of 18 pF. The component features a compact 2.5 x 2.0 mm body size and utilizes a seam seal package construction. Frequency stability is rated at ±30 ppm across the operating temperature range of -40°C to +85°C. The equivalent series resistance (ESR) is specified at 100 ohms, ensuring reliable performance in high-frequency circuit designs requiring precise timing signals.
Feature Summary
- Seam seal package construction for enhanced environmental protection
- Compact surface-mount footprint suitable for space-constrained designs
- Wide industrial temperature range operation capability
Applications
- Microcontroller clock source circuits
- Communication module timing references
- Digital signal processing systems
Procurement Notes
Verify manufacturer authenticity through official channels. Confirm package dimensions match design constraints. Validate frequency tolerance requirements against application needs. Check datasheet for specific loading conditions. Ensure supply chain reliability before integration.
Selection Notes
Choose this component when a 24 MHz reference is required in a small SMD form factor. Consider the ±30 ppm stability sufficient for general digital logic. Verify load capacitance matches the host oscillator circuit specifications. Evaluate thermal performance for extreme environment deployments.
Part Context
This part belongs to the QT252S series of quartz crystals. The series offers various frequency options within the same mechanical envelope. It serves as a cost-effective timing solution for consumer electronics. The seam seal technology provides durability compared to standard ceramic packages.
Replacement Considerations
Direct substitutes include other 24 MHz crystals with identical 2.5x2.0mm dimensions and 18pF load capacitance. Verify ESR compatibility during cross-referencing. Ensure temperature stability ratings meet or exceed original requirements.
