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Product Detailed Parameters
- Description：3.2X2.5 GLASS SEAL MHZ QUARTZ XT
- Series：QT325G
- Mfr：QST
- Package：Tape & Reel (TR)
- Type：MHz Crystal
- Frequency：13 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：0.126" L x 0.098" W (3.20mm x 2.50mm)
- Height - Seated (Max)：0.035" (0.90mm)
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Overview
The QT325G-13.000MAHJ-T is a surface-mount crystal oscillator manufactured by QST, designed for precise frequency generation in electronic circuits. It operates at a nominal frequency of 13 MHz with a frequency tolerance of ±30 ppm across an operating temperature range of -20°C to +70°C. The component features a load capacitance of 18 pF and an equivalent series resistance (ESR) of 100 Ohms. It utilizes a 4-SMD, no-lead package configuration, ensuring compatibility with automated surface-mount assembly processes.
Feature Summary
- Surface-mount design for automated assembly
- Stable frequency performance within specified temperature range
- Standard load capacitance compatibility
Applications
- General-purpose clock signal generation
- Microcontroller system timing
- Communication interface synchronization
Procurement Notes
Verify the complete part number against official QST documentation to ensure correct frequency, tolerance, and package specifications. Confirm that the MAHJ suffix aligns with the required operational temperature range and electrical characteristics for your specific application environment before finalizing procurement.
Selection Notes
Select this component when a 13 MHz reference is required with ±30 ppm stability over industrial temperatures. Ensure circuit design accommodates the 18 pF load capacitance and 100 Ohm ESR. Verify footprint compatibility with the 4-SMD no-lead package dimensions during PCB layout.
Part Context
This model belongs to the QT325G series of surface-mount crystals from QST. The series offers various frequency options and tolerance grades, identified by suffix codes. The QT325G line is engineered for compact electronics requiring reliable timing references in space-constrained designs.
Replacement Considerations
Direct substitutes must match the 13 MHz frequency, ±30 ppm tolerance, 18 pF load capacitance, and 4-SMD package. Cross-reference QST's official replacement matrix or consult manufacturer guidelines for verified equivalents.
