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Product Detailed Parameters
- Description：49.4067 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：49.4067 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)：23mA
- 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 18QHTF21-49.4067-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 49.4067 MHz and utilizes an LVCMOS output interface. 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, designed for surface mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output interface for digital logic compatibility
- Integrated enable and disable functionality for power management
- Compact 4-SMD no lead surface mount package design
Applications
- Embedded systems requiring precise clock signals
- Industrial equipment timing circuits
- Consumer electronics with low voltage requirements
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 package footprint matches your PCB layout constraints. Check for any specific environmental ratings if operating in extreme conditions.
Selection Notes
Select this component when a 49.4067 MHz signal is required with low voltage operation. Consider the enable/disable feature if power conservation is critical. Compare package dimensions against available board space. Evaluate jitter specifications if high-frequency stability is necessary for your application.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd., which specializes in quartz crystals and oscillators. The series offers various frequencies within a standardized 4-SMD form factor. These components are commonly used in timing applications across industrial and consumer sectors.
Replacement Considerations
Direct substitutes may include other 49.4067 MHz LVCMOS oscillators in 4-SMD packages from different manufacturers. Verify pinout compatibility and electrical parameters such as supply voltage and current consumption before substitution.
FAQ
What is the output type of the 18QHTF21-49.4067-OE?
The output type is LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor).
Does this oscillator support power control?
Yes, it features enable and disable functionality for power management.
