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Product Detailed Parameters
- Description：58.802 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：58.802 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)：24mA
- 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 18QHTF21-58.802-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 58.802 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage range that includes 1.8V operation and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output logic compatibility
- Enable/Disable control functionality
- Compact 4-SMD No Lead surface-mount package
Applications
- Digital signal processing systems
- Communication equipment timing references
- Embedded system clock generation
Procurement Notes
Verify the specific operating voltage requirements against your system design, as the datasheet indicates support for 1.8V but other voltages may be available in the series. Confirm the enable pin configuration matches your control logic. Ensure the 4-SMD footprint aligns with your PCB layout constraints. Cross-reference the part number suffix to ensure the correct frequency tolerance and temperature range are selected for your application environment.
Selection Notes
Select this component when a low-profile surface-mount oscillator is required for 58.802 MHz applications. Consider the LVCMOS interface for direct logic compatibility. Evaluate the enable/disable feature if power conservation during idle states is necessary. Compare package dimensions against board space limitations. Verify thermal performance within the specified operating temperature range for your specific deployment scenario.
Part Context
This oscillator belongs to Mercury Electronics' standard XO lineup, which provides reliable frequency control solutions. The brand has extensive experience in quartz crystal manufacturing. This specific model represents a modern surface-mount solution suitable for portable and high-density electronic designs where size and power efficiency are critical factors.
Replacement Considerations
Direct substitutes must match the 58.802 MHz frequency, LVCMOS output, and 4-SMD package. Check for equivalent enable/disable functionality. Verify compatible supply voltage ranges. Ensure identical operating temperature specifications. Consult manufacturer cross-reference lists for verified alternatives.
