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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：32 MHz
- Frequency Stability：±30ppm
- Frequency Tolerance：±30ppm
- Load Capacitance：12pF
- 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-32.000MAAE-T is a quartz crystal resonator manufactured by QST, operating at a nominal frequency of 32 MHz. It features a surface-mount package with dimensions of 3.2 x 2.5 x 0.7 mm. The component has a load capacitance of 12 pF and a series resistance of 50 Ohms. Frequency stability is rated at ±30 ppm over the temperature range of -20°C to +70°C. The device utilizes a seam seal construction for environmental protection.
Feature Summary
- Seam seal construction for enhanced environmental durability
- Compact 3.2 x 2.5 mm surface-mount footprint
- Designed for stable operation in consumer electronics applications
Applications
- Wireless communication modules
- Microcontroller clock sources
- Portable electronic devices
Procurement Notes
Verify the specific suffix 'AAE' corresponds to the required ±30 ppm stability over the -20°C to +70°C range. Confirm the 12 pF load capacitance matches the target circuit design. Ensure the 3.2x2.5mm package size fits the PCB layout constraints. Check for RoHS compliance status if required by project specifications.
Selection Notes
Select this component when a 32 MHz reference is needed in a small form factor. The ±30 ppm tolerance suits general-purpose timing applications. Consider the 50 Ohm series resistance for oscillator circuit compatibility. Evaluate thermal requirements against the specified -20°C to +70°C operational range.
Part Context
This part belongs to the QST QT325S series of thin, low-profile crystals. The series offers various frequency options within the same mechanical envelope. Different suffixes indicate variations in stability and temperature range. The 32 MHz variant provides a common clock frequency for digital systems.
Replacement Considerations
Direct substitutes include other manufacturers offering 32 MHz crystals in 3250 packages with similar electrical parameters. Verify equivalent load capacitance and drive level specifications. Ensure replacement parts meet the same dimensional tolerances for board compatibility.
