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Product Detailed Parameters
- Description：124.922 MHz XO 1.8V 2.0X1.6MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：124.922 MHz
- Function：Standby (Power Down)
- 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 18QHTF21-124.922-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 124.922 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes standby mode functionality to reduce power consumption
- Utilizes quartz-based technology for stable frequency generation
Applications
- Digital signal processing systems requiring precise clock timing
- Communication equipment utilizing standard frequency references
- Embedded systems needing low-voltage clock sources
Procurement Notes
Verify the specific operating temperature range and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your power architecture. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any RoHS compliance documentation if required by your manufacturing standards.
Selection Notes
Select this component when a 124.922 MHz frequency is strictly required for the application. Consider the 1.8V supply constraint and LVCMOS output compatibility with downstream logic. Evaluate the need for power-down capabilities to manage system energy efficiency. Compare physical dimensions against available board space to ensure fit within the 2.0x1.6mm envelope.
Part Context
This part belongs to the Mercury Electronics XO series, designed for general-purpose clocking applications. The manufacturer has extensive experience in quartz crystal production. This specific model represents a standard frequency option within their portfolio of surface-mount oscillators.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with alternative suppliers based on electrical specifications and mechanical footprint.
