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Product Detailed Parameters
- Description：1.82 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：1.82 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)：21mA
- 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 18QHTF21-1.820-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.82 MHz and utilizes LVCMOS output logic. 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 with dimensions of 2.0 x 1.6 mm.
Feature Summary
- Standard XO configuration with LVCMOS output
- Integrated Enable/Disable functionality
- Compact 4-SMD surface mount package
Applications
- General clock signal generation
- Embedded system timing references
- Consumer electronics circuits
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Cross-reference the manufacturer datasheet for detailed electrical characteristics to guarantee compatibility with your application.
Selection Notes
Select this component when a low-voltage, small-footprint clock source is required. The LVCMOS interface ensures compatibility with standard digital logic families. The enable/disable feature allows for power management optimization. Consider the operating temperature range and stability requirements to ensure reliable performance in your specific environment.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, a supplier specializing in quartz crystals and oscillators. The series offers various frequencies within a standardized 2.0x1.6mm package. Mercury has decades of experience in frequency control products, providing reliable timing solutions for global markets.
Replacement Considerations
Check for direct substitutes with identical pinout and voltage specifications. Verify that alternative oscillators support the same LVCMOS output and enable function. Ensure physical dimensions match the existing PCB footprint to avoid rework.
