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Product Detailed Parameters
- Description：66.2 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：66.2 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)：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 18QHTF21-66.200-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 66.2 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable function to manage power consumption through standby modes. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm, suitable for space-constrained electronic designs.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes enable/disable control for power management
- Operates on a 1.8V supply voltage
- Utilizes a small form factor SMD package
Applications
- Portable consumer electronics
- Communication equipment
- Embedded systems
- Industrial control modules
Procurement Notes
Verify the specific ordering suffix against official documentation to ensure correct pinout and electrical characteristics. Confirm that the required frequency tolerance and load capacitance match the target circuit design. Check for any recent revisions to the datasheet regarding mechanical tolerances or recommended soldering profiles to guarantee assembly reliability.
Selection Notes
Select this component when a precise 66.2 MHz clock signal is required in a low-power environment. Ensure the application supports 1.8V logic levels and can accommodate the enable/disable control signal. Evaluate the thermal requirements and operating temperature range to confirm suitability for the intended environmental conditions.
Part Context
This oscillator belongs to Mercury Electronics' series of surface-mount crystal oscillators. The brand specializes in quartz frequency control products, including crystals and various oscillator types. This specific model represents a standard XO solution designed for modern digital circuits requiring stable clock sources in minimal footprints.
Replacement Considerations
Consult official substitution lists for compatible part numbers. Verify that alternative components match the 66.2 MHz frequency, 1.8V supply, and LVCMOS output type. Ensure physical package dimensions are identical to maintain board layout integrity.
