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Product Detailed Parameters
- Description：XTAL 10ppm 10ppm 8pF
- Series：QT121S
- Mfr：QST
- Package：Tape & Reel (TR)
- Type：MHz Crystal
- Frequency：48 MHz
- Frequency Stability：±10ppm
- Frequency Tolerance：±10ppm
- Load Capacitance：8pF
- ESR (Equivalent Series Resistance)：100 Ohms
- Operating Mode：Fundamental
- Operating Temperature：-20°C ~ 70°C
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.047" L x 0.041" W (1.20mm x 1.05mm)
- Height - Seated (Max)：0.013" (0.33mm)
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Overview
The QT121S-48.000MEEV-T is a quartz crystal resonator manufactured by QST, operating at a nominal frequency of 48 MHz. It features a frequency tolerance of ±30 ppm and a load capacitance of 8 pF. The component utilizes a 4-SMD, No Lead package configuration designed for surface-mount assembly. This device provides stable timing signals suitable for digital circuit applications requiring precise clock synchronization.
Feature Summary
- Provides stable oscillation at 48 MHz with ±30 ppm tolerance
- Utilizes an 8 pF load capacitance specification
- Designed in a compact 4-SMD no-lead package format
Applications
- Digital clock signal generation
- Microcontroller system timing
- Communication interface synchronization
Procurement Notes
Verify the complete part number including suffixes to ensure correct frequency and tolerance specifications. Confirm RoHS compliance status as indicated in distributor records. Check moisture sensitivity level ratings prior to soldering processes. Ensure compatibility with standard surface-mount reflow profiles. Validate package dimensions against PCB footprint requirements before procurement.
Selection Notes
Select this component when a 48 MHz reference is required with moderate stability. Consider the 8 pF load capacitance for matching oscillator circuit designs. Evaluate the 4-SMD package for space-constrained layouts. Compare tolerance requirements against application needs, noting the ±30 ppm specification. Assess thermal performance if operating outside standard commercial ranges.
Part Context
This crystal belongs to QST's series of surface-mount quartz resonators. These components are engineered for reliable performance in consumer and industrial electronics. The 4-SMD form factor supports automated pick-and-place manufacturing. They serve as fundamental timing elements in various electronic systems requiring accurate frequency references.
FAQ
What is the load capacitance value?
The load capacitance is 8 pF.
What is the frequency tolerance?
The frequency tolerance is ±30 ppm.
