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Product Detailed Parameters
- Description：12.98883 MHz XO 1.8V 2.0X1.6 OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：12.98883 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 18QHTF21-12.98883-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.98883 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 5.0x3.2 mm.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Integrates enable/disable functionality for power management
- Utilizes a surface-mount 4-SMD no-lead package design
Applications
- General clock signal generation in electronic circuits
- Timing reference for digital systems requiring 12.98883 MHz
- Embedded applications utilizing LVCMOS interfaces
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions to guarantee proper soldering and mechanical stability during assembly processes.
Selection Notes
Select this component when a precise 12.98883 MHz timing source is required with low-voltage operation. Consider the enable pin feature if dynamic power saving is necessary. Evaluate the physical size constraints to ensure the 5.0x3.2 mm package fits within the available board space compared to alternative oscillator packages.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal products. The manufacturer has decades of experience in frequency control components. This specific model represents a standard XO variant designed for general-purpose timing applications in consumer and industrial electronics.
Replacement Considerations
Direct substitutes include other 12.98883 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify electrical parameters such as supply voltage and output swing before substitution.
