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Product Detailed Parameters
- Description：10.1234 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：10.1234 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 18QHTF21-10.1234-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 10.1234 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD package with no lead, measuring 2.0x1.6 mm. This component serves as a precise timing source for electronic circuits requiring low power consumption and small form factors.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes enable/disable functionality for power management
- Utilizes a lead-free 4-SMD surface-mount package
Applications
- Portable consumer electronics
- Communication modules
- Embedded systems
Procurement Notes
Verify the exact frequency tolerance and phase noise specifications against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with your system design requirements. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for RoHS compliance status if required by your manufacturing standards.
Selection Notes
Select this model when a 10.1234 MHz reference is required in a minimal footprint. Consider the 1.8V operating voltage to ensure compatibility with low-power logic families. The enable pin allows for dynamic power control, which is beneficial for battery-operated devices. Verify thermal performance within the specified operating temperature range.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics Ind. Co. Ltd, a supplier specializing in quartz crystals and oscillators. The series typically offers standard XO options in small SMD packages. Mercury Electronics has been active in the frequency-control industry since 1973, providing timing solutions for various applications.
Replacement Considerations
Direct substitutes include other 10.1234 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Compatible alternatives must match the pinout and envelope dimensions. Verify electrical parameters such as load capacitance and drive level before substitution.
