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Product Detailed Parameters
- Description：115.2 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：115.2 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)：28mA
- 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 18QHTF21-115.200-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 115.2 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, no lead package designed for surface mount applications.
Feature Summary
- Integrates enable and disable functionality for power management
- Utilizes LVCMOS output logic for digital interface compatibility
- Designed for surface mount assembly via 4-SMD no lead package
Applications
- Digital signal processing systems requiring precise timing
- Communication equipment utilizing standard clock frequencies
- Embedded systems needing low voltage operation
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD no lead package dimensions to prevent assembly errors during manufacturing.
Selection Notes
Select this component when a standard 115.2 MHz clock source is required with low voltage operation. The integrated enable pin allows for dynamic power control, making it suitable for battery-operated or energy-efficient designs. Consider the operating temperature range and stability requirements to ensure reliable performance in the intended environment.
Part Context
This model belongs to the Mercury Electronic series of quartz crystal oscillators. The manufacturer specializes in frequency control products including TCXOs and VCTCXOs. This specific part represents a standard XO variant optimized for general-purpose timing applications in consumer and industrial electronics.
Replacement Considerations
Direct substitutes include other 115.2 MHz LVCMOS oscillators from Mercury Electronics such as the 18QHTF21-21.200-OE or 18QHTF21-44.200-OE if frequency adjustments are acceptable. Verify pinout compatibility and electrical specifications before replacing.
