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Product Detailed Parameters
- Description：CRYSTAL 8.0000MHZ 20PF TH
- Series：HC49/3.5H
- Mfr：IQD Frequency Products
- Package：Bulk
- Type：MHz Crystal
- Frequency：8 MHz
- Frequency Stability：±50ppm
- Frequency Tolerance：±30ppm
- Load Capacitance：20pF
- ESR (Equivalent Series Resistance)：40 Ohms
- Operating Mode：Fundamental
- Operating Temperature：-10°C ~ 70°C
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：HC-49/US
- Size / Dimension：0.447" L x 0.190" W (11.35mm x 4.85mm)
- Height - Seated (Max)：0.146" (3.70mm)
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Overview
The LFXTAL078521BULK is a quartz crystal resonator from the IQXC-229LR series, manufactured by IQD Frequency Products. It operates at a fundamental frequency of 120.7 MHz with a load capacitance of 18 pF. The component features a frequency tolerance of 30 PPM and stability of 50 PPM. It utilizes an SMD/SMT mounting style within an 11.35 mm x 4.85 mm package case. The unit supports a minimum operating temperature of -10°C and has an ESR of 200 Ohms.
Feature Summary
- High-frequency operation capability up to 120.7 MHz for precise timing applications
- Surface mount design compatible with automated assembly processes
- AEC-Q200 qualification ensuring reliability in automotive environments
Applications
- Automotive electronic systems requiring AEC-Q200 compliance
- Industrial control circuits needing high-frequency stability
- Communication equipment utilizing surface mount technology
Procurement Notes
Verify the specific ordering suffix to confirm packaging type, as bulk and reel variants exist for this part number. Ensure the requested quantity matches the available factory pack size of 3000 units or cut tape options. Confirm RoHS compliance status through official documentation before finalizing procurement orders to meet regulatory requirements.
Selection Notes
Select this component when a high-frequency solution near 121 MHz is required with strict automotive reliability standards. The 18 pF load capacitance must match the oscillator circuit design. Consider the -10°C minimum operating temperature limit against environmental conditions. The 11.35 mm footprint requires adequate PCB space allocation compared to smaller SMD crystals.
Part Context
This crystal belongs to the IQXC-229LR series, designed for high-reliability applications. IQD Frequency Products, part of the Würth Elektronik eiSos group, specializes in frequency control solutions. The product line includes various quartz crystals and oscillators serving automotive, industrial, and consumer markets globally with diverse package sizes and performance specifications.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Cross-reference with other IQD high-frequency AEC-Q200 crystals if direct replacement is needed, ensuring identical frequency, load capacitance, and package dimensions.
