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Product Detailed Parameters
- Description：1.6x1.2 XTAL 30ppm 30ppm 10pF
- Series：-
- Mfr：QST
- Package：Tape & Reel (TR)
- Type：-
- Frequency：-
- Frequency Stability：-
- Frequency Tolerance：-
- Load Capacitance：-
- ESR (Equivalent Series Resistance)：-
- Operating Mode：-
- Operating Temperature：-
- Ratings：-
- Mounting Type：-
- Package / Case：-
- Size / Dimension：-
- Height - Seated (Max)：-
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Overview
The QT161S-80.000MAHQ-T is a surface-mount quartz crystal oscillator manufactured by QST. It operates at a fundamental frequency of 80 MHz with a stability of ±30 ppm over the -40°C to +85°C temperature range. The component features a 4-SMD, No Lead package measuring 1.60mm x 1.20mm x 0.40mm maximum height. It utilizes a load capacitance of 10pF and exhibits an equivalent series resistance (ESR) of 80 Ohms.
Feature Summary
- Seam seal construction for environmental protection
- Fundamental operating mode for precise timing
- Compact 4-SMD no-lead surface mount footprint
Applications
- High-frequency clock generation in digital circuits
- Timing references for microprocessors and microcontrollers
- Communication interface synchronization modules
Procurement Notes
Verify the specific suffix HQ-T against official QST documentation to confirm the -40°C to +85°C temperature range and 80 Ohm ESR specifications. Ensure compatibility with the target PCB land pattern dimensions of 1.60mm by 1.20mm. Cross-reference the load capacitance requirement of 10pF with the circuit design parameters before finalizing procurement.
Selection Notes
Select this component when a high-frequency 80 MHz reference is required within a compact surface-mount form factor. The wide industrial temperature range supports operation in demanding environments. Verify that the 80 Ohm ESR aligns with the oscillator circuit's drive level constraints and that the 10pF load capacitance matches the system design requirements.
Part Context
This part belongs to the QT161S family of seam-seal crystals from QST. The family offers various frequency and stability options in a standardized 1.6x1.2mm footprint. The HQ-T suffix specifically denotes the extended temperature range and electrical characteristics distinct from other variants like MAAV or MAHV.
Replacement Considerations
Direct substitutes include other QT161S variants with matching 80 MHz frequency and ±30 ppm stability, such as those with different suffixes if temperature ranges permit. Verify package dimensions and ESR values to ensure electrical equivalence without redesigning the host circuit.
