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Product Detailed Parameters
- Description：102.425 MHz XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：102.425 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 18QHTF21-102.425-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 102.425 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 requiring precise timing signals.
Feature Summary
- Integrates enable and disable functionality for power management
- Utilizes LVCMOS output logic for digital interface compatibility
- Features a leadless SMD package for automated assembly
Applications
- General clock signal generation
- Digital circuit timing references
- Embedded system clock sources
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 4-SMD no-lead footprint matches the PCB land pattern to prevent soldering defects during assembly.
Selection Notes
Select this component when a 102.425 MHz clock source is required with low-voltage operation. Consider the enable pin capability if dynamic power saving is necessary. Compare the physical dimensions of the 4-SMD package against available board space constraints to ensure mechanical fit within the final enclosure.
Part Context
This oscillator belongs to the QHTF series from Mercury Electronics, which specializes in quartz-based frequency control products. The manufacturer has decades of experience in Taiwan's crystal industry. This specific model represents a standard XO variant optimized for modern low-voltage digital environments.
Replacement Considerations
Direct substitutes must match the 102.425 MHz frequency, 1.8V supply, and LVCMOS output. Verify identical package dimensions for the 4-SMD no-lead form factor. Check if alternative vendors offer compatible enable/disable features without altering the electrical characteristics.
