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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：26 MHz
- Frequency Stability：±10ppm
- Frequency Tolerance：±10ppm
- Load Capacitance：12pF
- ESR (Equivalent Series Resistance)：50 Ohms
- Operating Mode：Fundamental
- Operating Temperature：-30°C ~ 85°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-26.000METE-T is a quartz crystal oscillator manufactured by QST Products, LLC. It operates at a nominal frequency of 26 MHz and utilizes a 4-SMD, No Lead package with dimensions of 3.2x2.5 mm. The component features a load capacitance of 12 pF and an equivalent series resistance of 50 Ohms. Frequency stability is specified at ±10 ppm at 25°C and ±10 ppm across the industrial temperature range of -30°C to +85°C. The device is RoHS compliant and lead-free.
Feature Summary
- Seam seal ceramic construction for enhanced environmental protection
- Compact surface-mount form factor suitable for space-constrained designs
- High frequency stability within specified industrial temperature ranges
Applications
- Clock generation for microprocessors and microcontrollers
- Communication interface circuits requiring precise timing
- Consumer electronics with limited board space
Procurement Notes
Verify the manufacturer designation on official documentation, as this part number appears in catalogs from both QST Products, LLC and TXC Corporation. Confirm that the specific suffix matches the required stability and temperature specifications before procurement. Ensure compliance with current RoHS directives and lead-free requirements applicable to your region.
Selection Notes
Select this component when a 26 MHz reference signal is required in a compact SMD footprint. The ±10 ppm stability meets standard digital logic timing requirements. Consider the 12 pF load capacitance compatibility with the host oscillator circuit. Verify the -30°C to +85°C operating range aligns with the target application environment.
Part Context
This model belongs to the QT325S series, characterized by seam-seal technology and small outline dimensions. The series provides reliable frequency control for general-purpose electronic applications. The specific METE-T variant denotes the electrical parameters including frequency, stability, and packaging style.
Replacement Considerations
Cross-reference with QT325S-26.000MAHJ-T if ±30 ppm stability is acceptable. Verify pinout and mechanical dimensions match the existing PCB layout before substitution.
