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Product Detailed Parameters
- Description：79.055858 M XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：79.055858 MHz
- Function：Enable/Disable
- Output：LVCMOS
- Voltage - Supply：1.8V
- Frequency Stability：±50ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：26mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
- Height - Seated (Max)：0.031" (0.80mm)
- Supplier Device Package：-
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Overview
The 18QHTF21-79.055858-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 79.055858 MHz and utilizes LVCMOS output levels. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- Standard XO configuration with LVCMOS output
- Integrated enable/disable functionality
- Compact 4-SMD no-lead surface mount package
Applications
- Timing and clock signal generation
- Frequency reference circuits
- Synchronization systems
Procurement Notes
Verify the specific part number suffix against official Mercury Electronics documentation to confirm electrical characteristics and package details. Ensure compatibility with system voltage requirements and interface standards before procurement. Cross-reference manufacturer datasheets for accurate specifications.
Selection Notes
Select this component for applications requiring a stable 79.055858 MHz reference with low voltage operation. Consider the 1.8V supply constraint and LVCMOS interface when designing compatible circuitry. Evaluate the small form factor suitability for space-constrained PCB layouts.
Part Context
This model belongs to the Mercury Electronics family of quartz crystal oscillators. The company specializes in frequency control products, including crystals and oscillators, serving industrial and commercial markets with high-reliability timing solutions.
Replacement Considerations
Consult official Mercury Electronics substitution guides for verified equivalent parts. Ensure replacement components match the 79.055858 MHz frequency, 1.8V operation, and 4-SMD package dimensions.
