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Product Detailed Parameters
- Description：10.8 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：10.8 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)：22mA
- 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 18QHTF21-10.800-OE is a 10.8 MHz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates on a 1.8V supply voltage and features an LVCMOS output signal. The component is housed in a compact 2.0x1.6 mm surface-mount package with no leads. This specific part number includes enable/disable functionality, allowing for power management control. It is classified as a standard XO oscillator designed for applications requiring precise frequency generation within tight spatial constraints.
Feature Summary
- LVCMOS output interface
- Enable/disable control capability
- Compact 2.0x1.6 mm SMD package
Applications
- Portable electronic devices
- Communication equipment
- Embedded systems
Procurement Notes
Verify the exact frequency tolerance and load capacitance requirements against your circuit design specifications before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 2.0x1.6 mm footprint matches your PCB layout constraints. Check for any specific operating temperature range limitations required by your application environment to guarantee reliable performance.
Selection Notes
Select this component when a low-voltage 1.8V operation is mandatory for power efficiency. Choose this model if space constraints necessitate a 2.0x1.6 mm footprint. Consider this part where active enable/disable control is needed to reduce standby power consumption. Verify compatibility with LVCMOS logic levels in your target digital circuitry before finalizing the selection.
Part Context
Mercury Electronics Ind. Co. Ltd specializes in frequency control products including quartz crystals and oscillators. The 18QHTF21 series represents their surface-mount oscillator lineup. This manufacturer has decades of experience in Taiwan's quartz industry. The company produces various oscillator types such as TCXO and VCXO alongside standard XOs.
Replacement Considerations
Direct substitutes include other 10.8 MHz LVCMOS oscillators from different manufacturers with identical 1.8V supply and 2.0x1.6 mm package dimensions. Verify pinout compatibility and electrical characteristics before swapping. Cross-reference with similar Mercury models like 18QHTF21 variants having different frequencies but matching physical and electrical specs.
